Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Robert J. Kaufman — 50 Patents

MTMonsanto Technology: 17 patents #31 of 1,657Top 2%
HEHemagen/Pfc: 13 patents #1 of 12Top 9%
ETErrant Gene Therapeutics: 11 patents #2 of 3Top 70%
EAE.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
3M: 2 patents #5,326 of 11,543Top 50%
WTWellstat Therapeutics: 2 patents #13 of 29Top 45%
Pfizer: 2 patents #2,078 of 5,153Top 45%
BHBaxter Healthcare: 1 patents #9 of 68Top 15%
University City, MO: #2 of 191 inventorsTop 2%
Missouri: #148 of 23,789 inventorsTop 1%
Overall (All Time): #54,813 of 4,157,543Top 2%
50 Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
5439944 Red blood cell substitute emulsions containing alkyl- or alkylglyucerophosphoryl choline surfactants and methods of use Thomas J. Richard 1995-08-08
5420359 Chlorofluoroether compositions and preparation thereof George G. I. Moore, Richard M. Flynn, Thomas J. Richard 1995-05-30
5407962 Emulsions of highly fluorinated organic compounds for chemotherapy Thomas J. Richard 1995-04-18
5403575 Highly fluorinated, chloro-substituted organic compound-containing emulsions and methods of using them Thomas J. Richard 1995-04-04
5350571 Emulsions of highly fluorinated organic compounds Thomas J. Richard 1994-09-27
5321000 Benzhydryl compounds as herbicide antidotes Lawrence H. Brannigan, Ronald J. Brinker, Suzanne Metz 1994-06-14
5304325 Emulsions containing alkyl- or alkylglycerophosphoryl choline surfactants and methods of use Thomas J. Richard 1994-04-19
5295953 Method and apparatus for extracorporeal separation of fluorochemicals from whole blood of a patient Thomas J. Richard, Donald W. Schoendorfer, Thomas H. Goodin 1994-03-22
5171755 Emulsions of highly fluorinated organic compounds Thomas J. Richard 1992-12-15
5162537 Benzhydryl compounds as herbicide antidotes Lawrence H. Brannigan, Ronald J. Brinker, Suzanne Metz 1992-11-10
4964893 Benzhydryl compounds as herbicide antidotes Lawrence H. Brannigan, Ronald J. Brinker, Suzanne Metz 1990-10-23
4652297 Hydrazido derivatives of N-phosphinothioylmethylglycine esters John E. Franz 1987-03-24
4545804 N(Aminophosphinylmethyl) glycine derivatives John E. Franz 1985-10-08
4496389 Amide derivatives of N-trifluoroacetyl-N-phosphonomethylglycine, herbicidal compositions and use John E. Franz 1985-01-29
4421549 Amido and hydrazido derivatives of N-trifluoroacetyl-N-phosphinothioylmethylglycine esters John E. Franz 1983-12-20
4359332 Amide and hydrazide derivatives of N-trifluoroacetyl-N-phosphonomethylglycine as herbicides John E. Franz 1982-11-16
4353731 Amide and hydrazide derivatives of N-trifluoroacetyl-N-phosphonomethylglycine John E. Franz 1982-10-12
4300942 N-(Substituted carbonyl) derivatives of N-phos-phinylmethylglycinates and the herbicidal use thereof 1981-11-17
4251258 N-(Substituted carbonyl) derivatives of N-phosphinylmethylglycinates and the herbicidal use thereof 1981-02-17
4231782 N-Carbobenzoxy-N-phosphonomethylglycine thioesters John E. Franz 1980-11-04
4226611 N-Phosphonomethylglycine thioester herbicides John E. Franz 1980-10-07
4218235 Ester derivatives of n-trifluoroacetyl-n-phosphonomethylglycine and the herbicidal use thereof John E. Franz 1980-08-19
4211548 Esters of N-phosphinothioylmethylglycine and herbicidal method John E. Franz 1980-07-08
4211732 N-Carbobenzoxy-N-phosphinothioylmethylgylcine esters John E. Franz 1980-07-08
4195983 N-Trifluoroacetyl-N-phosphinothioylmethylglycine esters John E. Franz 1980-04-01