Professor Demchick's Patent Services

Paul H. Demchick, United States Registered Patent Agent
(United States Patent and Trademark Office Registration 52,808)


PATENTS RELATED TO GRASSES

Although Dr. Demchick also represents patent seekers with non-biological inventions, his doctorate is in biology. Biology has been the primary focus of his research and teaching. He especially loves dealing with patent searches and applications for involving biology.

Dr. Demchick is a scientist with a quarter of a century of research experience in academic, industrial and governmental settings.

If you are considering patent protection for an invention, Dr. Demchick will be glad to discuss the matter with you. There is no charge for an initial discussion.

The following sampling is to give you some sense of the types of grasses related inventions which have received United States patent protection. The patent list is not exhaustive and is certainly not a substitute for a proper patent search . It should be noted that only U.S. Patents are included.

It should be noted that spelling, form and typographical errors in the original patents are preserved here.

Installation and drainage system for synthetic grass (United States Patent 7,147,401)

Method of and device for drying grass surfaces (United States Patent 7,134,262)

Grass collecting system for a lawn mower (United States Patent 7,124,563)

Rider mower grass catcher (United States Patent 7,121,072)

Height-adjustable grass scissors (United States Patent 7,082,687)

Infill material for synthetic-grass structures, corresponding synthetic-grass structure and process of preparation (United States Patent 7,060,334)

Adjustable spindle assembly for a grass trimmer (United States Patent 7,059,106)

Pest control method for grass family plants using endophytic bacteria, pest control material, and seed bound to the pest control material (United States Patent 7,037,879)

Attachment for connecting a duct to a grass bagger of a mower (United States Patent 7,032,368)

Grass striping apparatus for use with lawn vehicle (United States Patent 7,024,845)

Weed and grass trimmer (United States Patent 7,017,272)

Grass trimming device with dual linehead spool hubs (United States Patent 6,996,960)

Synthetic grass sport surfaces (United States Patent 6,989,179)

Artificial grass lawn for sports fields (United States Patent 6,955,841)

Synthetic grass structure (United States Patent 6,951,670)

Artificial grass for landscaping (United States Patent 6,946,181)

Chassis for grass treatment machine (United States Patent 6,945,021)

Grass-cutting head with reloading of the line without removal of the spool (United States Patent 6,944,954)

Grass collecting apparatus and a lawn mower having such a grass collecting apparatus (United States Patent 6,931,827)

Adjustable grass treatment apparatus (United States Patent 6,920,941)

Grass catcher attachment method and apparatus (United States Patent 6,910,322)

Decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,902,644)

Grass cultivar named `Benest 1` and `Dongrae Koryogi`-specific STS marker (United States Patent 6,891,089)

Synthetic-grass structure, corresponding particulate material, and use of the particulate material (United States Patent 6,887,535)

Walk around grass cutter parts (United States Patent 6,880,209)

Drainage system and method for artificial grass using spacing grid (United States Patent 6,877,932)

Device for maintaining grass fields (United States Patent 6,874,307)

Grass trimmer drivable by power tool (United States Patent 6,874,303)

System for and method of benefiting the growth conditions for grass plants that constitute the grass pitch of a sports installation, in particular a football pitch (United States Patent 6,874,275)

Synthetic decorative grass simulating spanish moss and method for making same (United States Patent 6,863,765)

Method for producing scented decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,863,764)

Device for measuring the static and/or dynamic friction coefficient of an artificial grass lawn for sports fields (United States Patent 6,854,316)

Reel for winding a cutting cord for a grass-cutting device and head for grass-cutting device incorporating said reel (United States Patent 6,851,191)

Blue-green grass (United States Patent 6,849,566)

Grass trimmer cutting line (United States Patent 6,842,984)

Lawn mower having a displaceable grass catcher (United States Patent 6,840,029)

Automatic segmentation-based grass detection for real-time video (United States Patent 6,832,000)

Pelletized straw mulch and method of use thereof for soil stabilization and grass and wildflower seed enhancement (United States Patent 6,829,860)

Lawn mower with grass-shredding device (United States Patent 6,826,896)

Method for making printed and/or embossed decorative grass (United States Patent 6,824,719)

Enhancing endophyte in grass (United States Patent 6,815,591)

Grass and soil trimming system (United States Patent 6,810,967)

System for operating one or more lasers to project a visible line onto a grass-covered surface (United States Patent 6,796,041)

Process for removing synthetic-grass floorings, corresponding use and product (United States Patent 6,793,164)

Synthetic grass sport surfaces (United States Patent 6,767,595)

Grinding machine and method of grinding grass mower rotary blades (United States Patent 6,758,730)

Synthetic grass with resilient granular top surface layer (United States Patent 6,746,752)

Wheeled attachment for grass trimmer (United States Patent 6,745,549)

Method for making printed and/or embossed decorative grass (United States Patent 6,740,274)

Scented decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,737,161)

Grass collection container for lawnmower (United States Patent 6,735,930)

Machine for planting grass sprigs (United States Patent 6,722,297)

Transportable turf grasses and grass sports surfaces having porous foundations (United States Patent 6,694,670)

Corrugated decorative grass formed of paper and polymeric film and method for producing same (United States Patent 6,685,615)

Sea grass slab planter and related process (United States Patent 6,684,536)

Decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,673,422)

Lawn mower for directing grass clippings to a grass catcher (United States Patent 6,672,043)

Decorative grass formed of cloth and polymeric film (United States Patent 6,672,004)

Method and apparatus for making curled decorative grass (United States Patent 6,669,620)

Grass-cutting tractor with improved operating features (United States Patent 6,668,530)

Adjustable spindle assembly for a grass trimmer (United States Patent 6,666,009)

Scented decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,656,593)

Grass and leaf collection sled for riding lawn apparatus (United States Patent 6,651,414)

Decorative grass formed of polymeric materials having a matte or textured finish simulating the texture and appearance of paper (United States Patent 6,649,242)

Modular unit for mounting on a grass treatment machine (United States Patent 6,647,703)

Method for making curled decorative grass having a texture or appearance simulating the texture or appearance of paper (United States Patent 6,645,408)

Folded corrugated decorative grass formed of paper and metallized film (United States Patent 6,638,584)

Walk around grass cutter parts (United States Patent 6,637,081)

Lockable rack for grass trimmers (United States Patent 6,619,485)

Synthetic decorative grass simulating spanish moss and method for making same (United States Patent 6,605,170)

Decorative grass having a three-dimensional pattern and methods for producing same (United States Patent 6,596,352)

Front cutting grass-cutting machine with central container and rear unloading system (United States Patent 6,591,596)

Method and apparatus for restricting grass cutting of a lawn mower in reverse (United States Patent 6,591,594)

Decorative grass having a three-dimensional pattern and methods for producing same (United States Patent 6,588,309)

Method and apparatus for inhibiting grass from overgrowing pavement and fences (United States Patent 6,588,145)

Mowing machine with dumping grass catcher (United States Patent 6,584,757)

Adjustable grass trimmer handle (United States Patent 6,581,246)

Hydroponic growing enclosure and method for the fabrication of animal feed grass from seed (United States Patent 6,578,319)

Methods and devices for removing dew from grass areas such as golf courses (United States Patent 6,574,819)

Non-anaphylactic forms of grass pollen Phl p 6 allergen and their use (United States Patent 6,572,859)

Grass flow guides (United States Patent 6,571,543)

Decorative grass formed of polymeric materials having a texture and appearance assimilating paper (United States Patent 6,555,198)

Synthetic grass with resilient granular top surface layer (United States Patent 6,551,689)

Italian rye grass and a method of introducing endophytic fungi into an italian rye grass (United States Patent 6,548,745)

Leaf and grass catching bag for riding mowers (United States Patent 6,546,710)

Decorative grass formed of cloth and polymeric film (United States Patent 6,544,620)

Combination grass mowing and rolling apparatus (United States Patent 6,523,336)

Lawn mower roller having a universal mount for mounting grass bending roller (United States Patent 6,523,335)

Mower with a grass catcher (United States Patent 6,513,312)

Decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,511,735)

Installation and drainage system for synthetic grass (United States Patent 7,147,401)

Method of and device for drying grass surfaces (United States Patent 7,134,262)

Grass collecting system for a lawn mower (United States Patent 7,124,563)

Rider mower grass catcher (United States Patent 7,121,072)

Height-adjustable grass scissors (United States Patent 7,082,687)

Infill material for synthetic-grass structures, corresponding synthetic-grass structure and process of preparation (United States Patent 7,060,334)

Adjustable spindle assembly for a grass trimmer (United States Patent 7,059,106)

Pest control method for grass family plants using endophytic bacteria, pest control material, and seed bound to the pest control material (United States Patent 7,037,879)

Attachment for connecting a duct to a grass bagger of a mower (United States Patent 7,032,368)

Grass striping apparatus for use with lawn vehicle (United States Patent 7,024,845)

Weed and grass trimmer (United States Patent 7,017,272)

Grass trimming device with dual linehead spool hubs (United States Patent 6,996,960)

Synthetic grass sport surfaces (United States Patent 6,989,179)

Artificial grass lawn for sports fields (United States Patent 6,955,841)

Synthetic grass structure (United States Patent 6,951,670)

Artificial grass for landscaping (United States Patent 6,946,181)

Chassis for grass treatment machine (United States Patent 6,945,021)

Grass-cutting head with reloading of the line without removal of the spool (United States Patent 6,944,954)

Grass collecting apparatus and a lawn mower having such a grass collecting apparatus (United States Patent 6,931,827)

Adjustable grass treatment apparatus (United States Patent 6,920,941)

Grass catcher attachment method and apparatus (United States Patent 6,910,322)

Decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,902,644)

Grass cultivar named `Benest 1` and `Dongrae Koryogi`-specific STS marker (United States Patent 6,891,089)

Synthetic-grass structure, corresponding particulate material, and use of the particulate material (United States Patent 6,887,535)

Walk around grass cutter parts (United States Patent 6,880,209)

Drainage system and method for artificial grass using spacing grid (United States Patent 6,877,932)

Device for maintaining grass fields (United States Patent 6,874,307)

Grass trimmer drivable by power tool (United States Patent 6,874,303)

System for and method of benefiting the growth conditions for grass plants that constitute the grass pitch of a sports installation, in particular a football pitch (United States Patent 6,874,275)

Synthetic decorative grass simulating spanish moss and method for making same (United States Patent 6,863,765)

Method for producing scented decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,863,764)

Device for measuring the static and/or dynamic friction coefficient of an artificial grass lawn for sports fields (United States Patent 6,854,316)

Reel for winding a cutting cord for a grass-cutting device and head for grass-cutting device incorporating said reel (United States Patent 6,851,191)

Blue-green grass (United States Patent 6,849,566)

Grass trimmer cutting line (United States Patent 6,842,984)

Lawn mower having a displaceable grass catcher (United States Patent 6,840,029)

Automatic segmentation-based grass detection for real-time video (United States Patent 6,832,000)

Pelletized straw mulch and method of use thereof for soil stabilization and grass and wildflower seed enhancement (United States Patent 6,829,860)

Lawn mower with grass-shredding device (United States Patent 6,826,896)

Method for making printed and/or embossed decorative grass (United States Patent 6,824,719)

Enhancing endophyte in grass (United States Patent 6,815,591)

Grass and soil trimming system (United States Patent 6,810,967)

System for operating one or more lasers to project a visible line onto a grass-covered surface (United States Patent 6,796,041)

Process for removing synthetic-grass floorings, corresponding use and product (United States Patent 6,793,164)

Synthetic grass sport surfaces (United States Patent 6,767,595)

Grinding machine and method of grinding grass mower rotary blades (United States Patent 6,758,730)

Synthetic grass with resilient granular top surface layer (United States Patent 6,746,752)

Wheeled attachment for grass trimmer (United States Patent 6,745,549)

Method for making printed and/or embossed decorative grass (United States Patent 6,740,274)

Scented decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,737,161)

Grass collection container for lawnmower (United States Patent 6,735,930)

Machine for planting grass sprigs (United States Patent 6,722,297)

Transportable turf grasses and grass sports surfaces having porous foundations (United States Patent 6,694,670)

Corrugated decorative grass formed of paper and polymeric film and method for producing same (United States Patent 6,685,615)

Sea grass slab planter and related process (United States Patent 6,684,536)

Decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,673,422)

Lawn mower for directing grass clippings to a grass catcher (United States Patent 6,672,043)

Decorative grass formed of cloth and polymeric film (United States Patent 6,672,004)

Method and apparatus for making curled decorative grass (United States Patent 6,669,620)

Grass-cutting tractor with improved operating features (United States Patent 6,668,530)

Adjustable spindle assembly for a grass trimmer (United States Patent 6,666,009)

Scented decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,656,593)

Grass and leaf collection sled for riding lawn apparatus (United States Patent 6,651,414)

Decorative grass formed of polymeric materials having a matte or textured finish simulating the texture and appearance of paper (United States Patent 6,649,242)

Modular unit for mounting on a grass treatment machine (United States Patent 6,647,703)

Method for making curled decorative grass having a texture or appearance simulating the texture or appearance of paper (United States Patent 6,645,408)

Folded corrugated decorative grass formed of paper and metallized film (United States Patent 6,638,584)

Walk around grass cutter parts (United States Patent 6,637,081)

Lockable rack for grass trimmers (United States Patent 6,619,485)

Synthetic decorative grass simulating spanish moss and method for making same (United States Patent 6,605,170)

Decorative grass having a three-dimensional pattern and methods for producing same (United States Patent 6,596,352)

Front cutting grass-cutting machine with central container and rear unloading system (United States Patent 6,591,596)

Method and apparatus for restricting grass cutting of a lawn mower in reverse (United States Patent 6,591,594)

Decorative grass having a three-dimensional pattern and methods for producing same (United States Patent 6,588,309)

Method and apparatus for inhibiting grass from overgrowing pavement and fences (United States Patent 6,588,145)

Mowing machine with dumping grass catcher (United States Patent 6,584,757)

Adjustable grass trimmer handle (United States Patent 6,581,246)

Hydroponic growing enclosure and method for the fabrication of animal feed grass from seed (United States Patent 6,578,319)

Methods and devices for removing dew from grass areas such as golf courses (United States Patent 6,574,819)

Non-anaphylactic forms of grass pollen Phl p 6 allergen and their use (United States Patent 6,572,859)

Grass flow guides (United States Patent 6,571,543)

Decorative grass formed of polymeric materials having a texture and appearance assimilating paper (United States Patent 6,555,198)

Synthetic grass with resilient granular top surface layer (United States Patent 6,551,689)

Italian rye grass and a method of introducing endophytic fungi into an italian rye grass (United States Patent 6,548,745)

Leaf and grass catching bag for riding mowers (United States Patent 6,546,710)

Decorative grass formed of cloth and polymeric film (United States Patent 6,544,620)

Combination grass mowing and rolling apparatus (United States Patent 6,523,336)

Lawn mower roller having a universal mount for mounting grass bending roller (United States Patent 6,523,335)

Mower with a grass catcher (United States Patent 6,513,312)

Decorative grass having an appearance simulating the appearance of cloth (United States Patent 6,511,735)

Installation and drainage system for synthetic grass (United States Patent 7,147,401)

Method of and device for drying grass surfaces (United States Patent 7,134,262)

Grass collecting system for a lawn mower (United States Patent 7,124,563)

Rider mower grass catcher (United States Patent 7,121,072)

Height-adjustable grass scissors (United States Patent 7,082,687)

Infill material for synthetic-grass structures, corresponding synthetic-grass structure and process of preparation (United States Patent 7,060,334)

Adjustable spindle assembly for a grass trimmer (United States Patent 7,059,106)

Pest control method for grass family plants using endophytic bacteria, pest control material, and seed bound to the pest control material (United States Patent 7,037,879)

Attachment for connecting a duct to a grass bagger of a mower (United States Patent 7,032,368)

Grass striping apparatus for use with lawn vehicle (United States Patent 7,024,845)

Weed and grass trimmer (United States Patent 7,017,272)

Grass trimming device with dual linehead spool hubs (United States Patent 6,996,960)

Synthetic grass sport surfaces (United States Patent 6,989,179)

Artificial grass lawn for sports fields (United States Patent 6,955,841)

Synthetic grass structure (United States Patent 6,951,670)

Artificial grass for landscaping (United States Patent 6,946,181)

Chassis for grass treatment machine (United States Patent 6,945,021)

Grass-cutting head with reloading of the line without removal of the spool (United States Patent 6,944,954)

Grass collecting apparatus and a lawn mower having such a grass collecting apparatus (United States Patent 6,931,827)

Adjustable grass treatment apparatus (United States Patent 6,920,941)

Although his recognition as a registered patent agent permits him to represent others in all patent matters before the United States Patent and Trademark Office, Dr. Demchick limits his practice to patent matters involving inventions for which he is confident that his expertise will allow him to serve his client well. He will gladly discuss whether he is comfortable handling cases involving inventions in a particular field. He will err on the side of declining cases if he has uncertainty about his ability to do what is needed in the case. Dr. Demchick does not represent clients in court. However, he refers clients to a patent attorney who does represent others in court, if it appears likely that patent related representation in court is appropriate. Dr. Demchick prepares and files non-provisional (regular) patent applications and provisional patent applications. He prepares and files utility patent applications and design patent applications. He prepares and files U.S. patent applications and international patent applications under the Patent Cooperation Treaty (PCT). He prepares and files applications to enter the U.S. National Phase for inventions for which international patent applications (PCT) were already filed. One of the matters he discusses with each client or potential client is which type of application(s) best meets that client's needs. He usually does a patent search (patentability search) as part of the preparation of a patent application. He discusses the value of patent searching with each inventor before agreeing to prepare a patent application for that inventor.