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

William L. Studt

WRWilliam H. Rorer: 41 patents #2 of 36Top 6%
RPRorer Pharmaceutical: 32 patents #3 of 98Top 4%
RPRhone-Poulenc Rorer Pharmaceuticals: 4 patents #24 of 155Top 20%
Harleysville, PA: #4 of 322 inventorsTop 2%
Pennsylvania: #273 of 74,527 inventorsTop 1%
Overall (All Time): #24,574 of 4,157,543Top 1%
77 Patents All Time

Issued Patents All Time

Showing 51–75 of 77 patents

Patent #TitleCo-InventorsDate
4563456 1,2,4-Triazines for treating gastrointestinal motility dysfunction Donald E. Kuhla, Henry F. Campbell, John Yelnosky 1986-01-07
4563475 Guanidine derivatives for treating gastrointestinal motility dysfunction Donald E. Kuhla, Henry F. Campbell, John Yelnosky 1986-01-07
4562188 Triazinones for treating irritable bowel syndrome Donald E. Kuhla, Henry F. Campbell, John Yelnosky 1985-12-31
4544670 Method of treating coccidiosis with acyl guanidines Stuart A. Dodson, Harry K. Zimmerman, James L. Barnes 1985-10-01
4543352 Naphthalene aminoalkylene ethers and thioethers, and their pharmaceutical uses Donald E. Kuhla, Henry F. Campbell 1985-09-24
4529723 Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1985-07-16
4520025 Bicyclic nitrogen heterocyclic ethers and thioethers, and their pharmaceutical uses Henry F. Campbell, Donald E. Kuhla, Stuart A. Dodson 1985-05-28
4496573 1-Pyridylmethyl-3-acyl guanidines Harry K. Zimmerman 1985-01-29
4487779 Substituted phenyl amidinoureas Richard L. Riley, George H. Douglas 1984-12-11
4486439 Treatment of coccidiosis Donald E. Kuhla, Billy J. Chou, John Yelnosky 1984-12-04
4452980 Triazinones George H. Douglas, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky 1984-06-05
4443456 Pyridyl alkylene amidinoureas George H. Douglas, Stuart A. Dodson, Harry K. Zimmerman 1984-04-17
4440949 Amidinoureas George H. Douglas, Stuart A. Dodson 1984-04-03
4436911 Heterocyclic amidinoureas Harry K. Zimmerman, George H. Douglas 1984-03-13
4418209 Amidinothioureas George H. Douglas, Julius Diamond, Stuart A. Dodson 1983-11-29
4387225 Heterocyclic alkylene triazinones George H. Douglas, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky 1983-06-07
4338441 Triazinones George H. Douglas, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky 1982-07-06
4298608 Method for blocking high frequency nerve stimulation George A. Condouris, John Yelnosky, Richard L. Riley, Chong M. Won, George H. Douglas 1981-11-03
4246409 Triazinones George H. Douglas, Chong M. Won, Stuart A. Dodson, Jerome J. Zalipsky 1981-01-20
4242340 Method for the treatment of diarrheal disease conditions and symptoms in mammals George H. Douglas, Stuart A. Dodson 1980-12-30
4242337 Method for treatment of diarrheal disease conditions or symptons in mammals George H. Douglas, Stuart A. Dodson 1980-12-30
4242338 Method for treatment of gastrointestinal secretory and ulcerogenic disease conditions or symptoms in mammals George H. Douglas, Stuart A. Dodson 1980-12-30
4242339 Method for treatment of gastrointestinal spasmodic disease conditions or symptoms in mammals George H. Douglas, Stuart A. Dodson 1980-12-30
4241087 Dysmenorrhea treatment Ghulam N. Mir, Jacqueline B. Krebs 1980-12-23
4218450 Method for treatment of gastrointestinal spasmodic disease conditions or symptoms in mammals George H. Douglas, Stuart A. Dodson 1980-08-19