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USPTO Patent Rankings Data through Dec 31, 2025
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Bruce Lefker — 51 Patents

Pfizer: 48 patents #15 of 5,153Top 1%
WCWarner-Lambert Company: 2 patents #646 of 1,610Top 45%
Gales Ferry, CT: #2 of 101 inventorsTop 2%
Connecticut: #456 of 34,797 inventorsTop 2%
Overall (All Time): #51,932 of 4,157,543Top 2%
51 Patents All Time
Bruce Lefker has been granted 51 US patents while listed as an inventor at Pfizer. The first was granted in 1995 and the most recent in December 2025. Bruce Lefker ranks #51,932 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Bruce Lefker in Gales Ferry, CT, US.

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12503475 Bicyclic-heterocycle derivatives and their uses as orexin-2 receptor agonists Karen Theresa Gibson, Matthew SPENDIFF, Paul Humphries, Sarah Joanne Bucknell, Wojciech ZAWODNY +1 more 2025-12-23
8383660 Dibenzyl amine compounds and derivatives George Chang, Ravi Shanker Garigipati, David A. Perry 2013-02-26 $623,161,000
7919506 Dibenzyl amine compounds and derivatives George Chang, Ravi Shanker Garigipati, David A. Perry, Dongxiang Zeng 2011-04-05 $321,745,000
7799823 Androgen modulators Stephen Douglas Barrett, Victor Fedij, Lain-Yen Hu, Donna Iula, Raj K. Raheja +2 more 2010-09-21
7674819 Androgen modulators Stephen Douglas Barrett, Victor Fedij, Lain-Yen Hu, Donna Iula, Raj K. Raheja +2 more 2010-03-09
7670613 Androgen modulators Lain-Yen Hu, Daniel Y. Du, Yvonne Dorothy Smith, Huangshu Lei, William Harter +3 more 2010-03-02 $207,756,000
7576128 Androgen receptor modulators Lain-Yen Hu, Huangshu Lei, Daniel Y. Du 2009-08-18 $206,216,000
7507732 Cyclopentapyridine and tetrahydroquinoline derivatives Kevin Liu, Hou Chen, Steven Blair Coffey 2009-03-24 $217,987,000
7507860 Androgen modulators Lain-Yen Hu, Huangshu Lei, Daniel Y. Du, Yvonne Dorothy Smith, Victor Fedij 2009-03-24 $217,987,000
7473711 Androgen modulators Lain-Yen Hu, Huangshu Lei, Daniel Y. Du 2009-01-06 $204,330,000
7442702 Prostaglandin agonists Kimberly O. Cameron, Robert L. Rosati 2008-10-28 $154,383,000
7414071 Methods of treatment with selective EP4 receptor agonists Kimberly O. Cameron, Delvin R. Knight, Jr. 2008-08-19 $233,119,000
7192979 EP4 receptor selective agonist in the treatment of osteoporosis Kimberly O. Cameron 2007-03-20 $254,717,000
6998423 Prevention of loss and restoration of bone mass by certain prostaglandin agonists Kimberly O. Cameron, Hua Zhu Ke, Robert L. Rosati, David Thompson 2006-02-14 $991,144,000
6953791 Dipeptide derivatives Philip A. Carpino, David A. Griffith 2005-10-11 $495,540,000
6951850 Dipeptide derivatives Philip A. Carpino, David A. Griffith 2005-10-04 $168,640,000
6924280 Dipeptide derivatives Philip A. Carpino, David A. Griffith 2005-08-02 $211,477,000
6867202 Treatment of insulin resistance Philip A. Carpino, Charles Kwok-Fung Chiu, Lydia Pan, Judith Treadway, Michael P. Zawistoski 2005-03-15 $262,568,000
6852863 Metabolites of (3-{[4-tert-butyl-benzyl)-(pyridine-3-sulfonyl)-amino]-methyl}-phenoxy)-acetic acid Kimberly O. Cameron, Kim A. Johnson, Chandra Agarwal Prakash 2005-02-08 $111,158,000
6747054 EP4 receptor selective agonists in the treatment of osteoporosis Kimberly O. Cameron 2004-06-08 $562,549,000
RE38524 Dipeptide derivatives as growth hormone secretagogues Philip A. Carpino, David A. Griffith 2004-06-01
6737437 EP4 receptor selective agonists in the treatment of osteoporosis Kimberly O. Cameron, HuaZhu Ke, David Thompson 2004-05-18 $546,360,000
6649657 Prevention of loss and restoration of bone mass by certain prostaglandin agonists Kimberly O. Cameron, Hua Zhu Ke, Robert L. Rosati, David Thompson 2003-11-18 $153,763,000
6642266 EP4 receptor selective agonists in the treatment of osteoporosis Kimberly O. Cameron, HuaZhu Ke, David Thompson 2003-11-04 $235,509,000
6630487 Treatment of insulin resistance with growth hormone secretagogues Philip A. Carpino, Charles Kwok-Fung Chiu, Lydia Pan, Judith Treadway, Michael P. Zawistoski 2003-10-07 $307,545,000