Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
BW

Bruce E. Witzel — 37 Patents

Merck: 37 patents #185 of 9,382Top 2%
Rahway, NJ: #5 of 204 inventorsTop 3%
New Jersey: #1,583 of 69,400 inventorsTop 3%
Overall (All Time): #88,321 of 4,157,543Top 3%
37 Patents All Time
Bruce E. Witzel has been granted 37 US patents while listed as an inventor at Merck. The first was granted in 1981 and the most recent in January 1998. Bruce E. Witzel ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Bruce E. Witzel in Rahway, NJ, US.

Patents per Year

Patents granted per year, 1981 to 1998Bar chart with a peak of 8 patents in 1982.peak 81981: 6 patents19811982: 8 patents1983: 3 patents19831984: 2 patents1985: 2 patents19851987: 1 patents1988: 3 patents19881989: 4 patents1991: 2 patents19911996: 1 patents1997: 4 patents19971998: 1 patents1998

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5710275 7.beta.-substituted-4-aza-5.alpha.-androstan-3-ones as 5.alpha.-reductase inhibitors Raman K. Bakshi, Gary H. Rasmusson, Richard L. Tolman, Gool F. Patel, Georgianna Harris +1 more 1998-01-20 $89,344,000
5693809 Substituted 4-aza-5.alpha.-androstan-ones as 5.alpha.-reductase inhibitors Philippe L. Durette, William K. Hagmann, Gary H. Rasmusson, Richard L. Tolman, Ihor E. Kopka +4 more 1997-12-02 $56,997,000
5639741 17-amino substituted 4-azasteroid 5.alpha.-reductase inhibitors Jeffrey P. Bergman, Richard L. Tolman 1997-06-17 $146,641,000
5620986 17 urea, thiourea, thiocarbamyl and carbamyl4-azasteroid 5-reductase inhibitors useful in the prevention and treatment of hyperandrogenic disorders Richard L. Tolman 1997-04-15 $57,611,000
5610162 Ester derivatives of 4-aza-steroids Gary H. Rasmusson, Richard L. Tolman, Shu S. Yang 1997-03-11 $104,011,000
5536727 17-Ethers and thioethers of 4-aza-steroids Richard L. Tolman, Gary H. Rasmusson, Raman K. Bakshi, Shu S. Yang 1996-07-16 $47,913,000
5068248 N-alkenyl-3-hydroxybenzo[b]thiophene-2-carboxamide derivatives as dual cyclooxygenase and lipoxygenase inhibitors Allan N. Tischler, Philippe L. Durette, Kathleen M. Rupprecht, Timothy Francis Gallagher, Marvin M. Goldenberg +1 more 1991-11-26 $28,877,000
4999436 Aryl-substituted thiophene 3-ols, derivatives and analogs useful as lipoxgenase inhibitors Debra L. Allison, Charles G. Caldwell, Kathleen M. Rupprecht 1991-03-12 $157,211,000
4885276 "Cyclosporin analogs with modified ""C-9 amino acids""" 1989-12-05 $27,146,000
4814501 Process for preparing N,N-dimethyl 2-(methylthio) benzamides and analogs Robert K. Baker, Philippe L. Durette, Robert A. Frankshun 1989-03-21 $13,520,000
4800211 5-methylthio-3-hydroxybenzo [b]thiophene-2-carboxamide derivatives as cyclooxygenase and lipoxygenase inhibitors Allan N. Tischler, Philippe L. Durette, Thomas J. Lanza, Jr. 1989-01-24 $14,093,000
4798823 "New cyclosporin analogs with modified ""C-9 amino acids""" 1989-01-17 $15,401,000
4782080 N-alkenyl-2-hydroxybenzo(b)thiophene-3-carboxamide derivatives as dual cyclooxygenase and lipoxygenase inhibitors 1988-11-01 $12,833,000
4760086 N-alkenyl-3-hydroxybenzo[b]thiophene-2-carboxamide derivatives as dual cyclooxygenase and lipoxygenase inhibitors Allan N. Tischler, Philippe L. Durette, Kathleen M. Rupprecht, Timothy Francis Gallagher, Debra L. Allison +1 more 1988-07-26 $13,870,000
4720503 N-substituted fused-heterocyclic carboxamide derivatives as dual cyclooxygenase and lipoxygenase inhibitors Allan N. Tischler, Debra L. Allison 1988-01-19 $26,198,000
4663344 Anti-inflammatory and analgesic 3-hydroxybenzo[b]thiophene derivatives, compositions, and method of use therefor Philippe L. Durette, Kathleen M. Rupprecht, Allan N. Tischler, Timothy Francis Gallagher 1987-05-05 $13,409,000
4536512 5-(2,3-Dihydro-1H-pyrrolizin-5-oyl)-2,3-dihyd ro-1H-pyrrolizine-1-alkanoic or carboxylic acids and use thereof as anti-inflammatory and analgesic agents Tesfaye Biftu, Peter L. Barker 1985-08-20 $5,757,000
4533671 5-(2,3-Dihydro-1H-pyrrolizin-5-oyl)-2-alkanoic or carboxylic acids and analogs as anti-inflammatory and analgesic agents Tesfaye Biftu, Peter L. Barker 1985-08-06 $9,164,000
4440779 Tricyclic derivatives of substituted pyrrole acids as analgesic and anti-inflammatory agents James B. Doherty, Conrad P. Dorn, Debra L. Allison, Tsung-Ying Shen 1984-04-03 $4,370,000
4431655 2,4-Disubstituted-1,2,5-thiadiazol-3(2H)-one antimicrobials Richard A. Dybas, Nathaniel Grier 1984-02-14 $4,328,000
4402959 Antimicrobial compositions Richard A. Dybas 1983-09-06 $7,583,000
4391812 2-(Substitutedpiperidylmethyl) propane nitriles and compositions thereof Richard A. Dybas, Nathaniel Grier 1983-07-05 $17,208,000
4380645 Process for preparing Benzoxepino- or Benzthiapino[4,3-b]pyrrole-2-acetic acids Paul E. Finke, Debra L. Allison 1983-04-19 $28,102,000
4362877 2,4-Disubstituted-1,2,5-thiadiazol-3(2H)-one antimicrobials Richard A. Dybas, Nathaniel Grier 1982-12-07 $6,185,000
4342872 2-(Substitutedpiperidylmethyl) propene and propane nitriles Nathaniel Grier, Richard A. Dybas 1982-08-03 $2,025,000