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

Albert A. Carr — 70 Patents

MPMerrell Pharmaceuticals: 30 patents #1 of 168Top 1%
MPMerrell Dow Pharmaceuticals: 24 patents #8 of 237Top 4%
RMRichardson Merrell: 11 patents #1 of 40Top 3%
HRHoechst Marion Roussel: 3 patents #55 of 309Top 20%
AHAventis Holdings: 1 patents #2 of 16Top 15%
APAventis Pharmaceuticals: 1 patents #232 of 454Top 55%
Cincinnati, OH: #51 of 8,043 inventorsTop 1%
Ohio: #378 of 73,341 inventorsTop 1%
Overall (All Time): #29,558 of 4,157,543Top 1%
70 Patents All Time

Issued Patents All Time

Showing 51–70 of 70 patents

Patent #TitleCo-InventorsDate
5064838 1,4-disubstituted-piperidinyl compounds as pain relievers Francis P. Miller, Thaddeus Nieduzak, Stephen M. Sorensen 1991-11-12
5064840 Anti-psychotic piperidylbenzimidazole compounds Francis P. Miller, John M. Kane 1991-11-12
5021428 Novel chemical compounds for the prophylactic treatment of migraine Norbert L. Wiech 1991-06-04
4912117 Novel chemical compounds Norbert L. Wiech 1990-03-27
4908372 Antihistaminic piperidinyl benzimidazoles Hsien C. Cheng, John M. Kane 1990-03-13
4870083 1,4-Disubstituted-piperidinyl compounds useful as analgesics and muscle relaxants Thaddeus Nieduzak, Francis P. Miller, Stephen M. Sorensen 1989-09-26
4868194 Imidazole antiarrhythmics John E. Koerner, Richard C. Dage, Tung Li, David A. Hay 1989-09-19
4783471 N-aralkyl piperidine methanol derivatives and the uses thereof Norbert L. Wiech 1988-11-08
4483988 Substituted derivatives of 4-t-alkoxycarbonyl-piperazin-2-ones Robert A. Farr, John M. Kane 1984-11-20
4443462 Antipsychotic 4-(naphthalenyloxy)piperidine derivatives Robert A. Farr 1984-04-17
4435571 5-(Substituted benzyl)-6-oxo-2-piperazine carboxylic acids and esters Robert A. Farr, John M. Kane 1984-03-06
4341698 Enkaphalin derivatives Robert A. Farr, John M. Kane 1982-07-27
4285958 1-Piperidine-alkylene ketones, pharmaceutical compositions thereof and method of use thereof Joseph E. Dolfini, George J. Wright 1981-08-25
4285957 1-Piperidine-alkanol derivatives, pharmaceutical compositions thereof, and method of use thereof Joseph E. Dolfini, George J. Wright 1981-08-25
4284636 Cinnamoylpiperidinobutyrophenone antipsychotic agents Robert A. Farr 1981-08-18
4283404 Aroylethenylpiperidinobutyrophenone antipsychotic agents Robert A. Farr 1981-08-11
4260626 Tetrahydro and imidazoline antisecretory compounds Hsien C. Cheng, Stephen W. Horgan, James K. Woodward 1981-04-07
4254130 Piperidine derivatives Joseph E. Dolfini, George J. Wright 1981-03-03
4254129 Piperidine derivatives Joseph E. Dolfini, George J. Wright 1981-03-03
4246268 Neuroleptic-4-(naphthylmethyl)piperidine derivatives 1981-01-20