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 26–50 of 77 patents

Patent #TitleCo-InventorsDate
4743600 Benzocyclobutene aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1988-05-10
4742055 3- and 5-amino thiatriazines, and their pharmaceutical uses Donald E. Kuhla, Henry F. Campbell, Stuart A. Dodson 1988-05-03
4727169 3- and 5-(bicyclic ether or bicyclic alkylene thioether) alkylene amino thiatriazines, and their pharmaceutical uses Donald E. Kuhla, Henry F. Campbell, Stuart A. Dodson, Robert A. Galemmo, Jr., Pamela J. Durham 1988-02-23
4725686 Benzodiazinone-pyridazinone and hydroxy-pyrazolyl compounds, cardiotonic compositions including the same, and their uses Donald E. Kuhla, Henry F. Campbell, William C. Faith, Bruce F. Molino 1988-02-16
4722925 Bicyclic benzo-oxy heterocyclic ethers and thioethers pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell, Kent W. Neuenschwander 1988-02-02
4721721 6-(4-thiazole) compounds, cardiotonic compositions including the same, and their uses Donald E. Kuhla, Henry F. Campbell 1988-01-26
4714707 Aryl substituted heterocycles for treating gastrointestinal motility dysfunction Donald E. Kuhla, Henry F. Campbell, John Yelnosky 1987-12-22
4707478 Heterocyclic amidino substituted ureas and their pharmaceutical uses Harry K. Zimmerman, Stuart A. Dodson 1987-11-17
4704401 Substituted phenyl amidinoureas Richard L. Riley, George H. Douglas 1987-11-03
4704388 3- And 5-(bicyclic ether or bicyclic alkylene thioether)alkylene amino thiatriazines, and their pharmaceutical uses Donald E. Kuhla, Henry F. Campbell, Stuart A. Dodson 1987-11-03
4699906 Bicyclic benzenoid alkylene amino thieno[3,4-d]isothiazole ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1987-10-13
4692445 Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1987-09-08
4689335 Heterocyclic guanidines for treating gastrointestinal motility dysfunction Donald E. Kuhla, Henry F. Campbell, John Yelnosky 1987-08-25
4668673 Bicycle benzo-oxy heterocyclic ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell, Kent W. Neuenschwander 1987-05-26
4666913 Hydroxy and aminothiazolyl-benzodiazinone compounds, cardiotonic compositions including the same, and their uses Donald E. Kubla, Henry F. Campbell, Bruce F. Molino, Thomas J. Tucker 1987-05-19
4647559 Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1987-03-03
4639442 Benzocyclobutene aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1987-01-27
4638001 Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1987-01-20
4632927 Bicyclic nitrogen heterocyclic ethers and thioethers, and their pharmaceutical uses Henry F. Campbell, Donald E. Kuhla, Stuart A. Dodson 1986-12-30
4612309 Antisecretory bicyclic benzo-oxy heterocyclic ethers and thioethers Donald E. Kuhla, Henry F. Campbell, Kent W. Neuenschwander 1986-09-16
4595683 3- and 5-[bicyclic ether or bicyclic alkylene thioether]alkylene amino thiatriazines, and their pharmaceutical uses Donald E. Kuhla, Henry F. Campbell, Stuart A. Dodson 1986-06-17
4588719 Bicyclic benzenoid aminoalkylene ethers and thioethers, pharmaceutical compositions and use Donald E. Kuhla, Henry F. Campbell 1986-05-13
4565826 Heterocyclic amidinoureas Harry K. Zimmerman, George H. Douglas 1986-01-21
4564640 Amidinoureas substituted in both the urea and amidino nitrogen positions Richard L. Riley, George H. Douglas 1986-01-14
4563460 Quinoline and quinazoline derivatives for treating gastrointestinal motility dysfunctions Donald E. Kuhla, Henry F. Campbell, John Yelnosky 1986-01-07