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

Gary P. Stack — 92 Patents

Pfizer: 61 patents #2 of 5,153Top 1%
APAmerimas Home Products: 31 patents #15 of 715Top 3%
EPElan Pharmaceuticals: 2 patents #115 of 269Top 45%
Yeadon, PA: #1 of 270 inventorsTop 1%
Pennsylvania: #180 of 74,527 inventorsTop 1%
Overall (All Time): #17,129 of 4,157,543Top 1%
92 Patents All Time
Gary P. Stack has been granted 92 US patents while listed as an inventor at Pfizer. The first was granted in 1985 and the most recent in June 2010. Gary P. Stack ranks #17,129 of 4,157,543 US inventors in our database (top 0.41%). Patent records list Gary P. Stack in Yeadon, PA, US.

Patents per Year

Patents granted per year, 1985 to 2010Bar chart with a peak of 15 patents in 2003.peak 151985: 1 patents19851987: 1 patents1988: 3 patents19881989: 5 patents1990: 3 patents19901992: 5 patents1993: 6 patents19931996: 1 patents1998: 3 patents19981999: 2 patents2002: 2 patents20022003: 15 patents2004: 11 patents20042005: 11 patents2006: 9 patents20062007: 2 patents2008: 9 patents20082009: 2 patents2010: 1 patents2010

Issued Patents All Time

Showing 51–75 of 92 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6617327 Antidepressant azaheterocyclylmethyl derivatives of 2,3-dihydro-1,4-dioxino[2,3-f]quinoxaline Jonathan Laird Gross 2003-09-09 $179,756,000
6617334 Antidepressant azaheterocyclylmethyl derivatives of 7,8-dihydro-1,6,9-trioxa-3-aza-cyclopenta[a]naphthalene Megan Tran 2003-09-09 $179,756,000
6613913 Intermediate for antidepressant azaheterocyclylmethyl derivatives of 7,8-dihydro-1, 6,9-trioxa-3-aza-cyclopenta [a]naphthalene Megan Tran 2003-09-02 $162,526,000
6599915 Antidepressant azaheterocyclylmethyl derivatives of 2,3-dihydro-1,4-dioxinol[2,3f]quinoline Megan Tran 2003-07-29 $267,507,000
6593350 Antidepressant indoletetrahydropyridine derivatives of 2,3-dihydro-7H-[1,4]dioxino[2,3-e]indole Megan Tran, Byron A. Bravo 2003-07-15 $661,872,000
6573283 Antidepressant azaheterocyclylmethyl derivatives of 7,8-dihydro-3H-6,9-dioxa-1,3-diazacyclopenta[a]naphthalene 2003-06-03 $696,221,000
6559169 Antidepressant azaheterocyclymethyl derivatives of 2,3-dihydro-1,4-benzodioxan George E. M. Husbands, Richard E. Mewshaw, Ian A. Cliffe 2003-05-06 $160,960,000
6555560 Antidepressant azaheterocyclylmethyl derivatives of 1,4,5-trioxa-phenanthrene Megan Tran 2003-04-29 $178,321,000
6552049 Antidepressant azaheterocyclylmethyl derivatives of oxaheterocycle-fused-[1,4]-benzodioxans Hong Gao, Elizabeth S. Gildersleeve 2003-04-22 $680,266,000
6525075 Antidepressant azaheterocyclylmethyl derivatives of 7,8-dihydro-1,6,9-trioxa-3-aza-cyclopenta[a]naphthalene Megan Tran 2003-02-25 $86,304,000
6458802 Antidepressant azaheterocyclymethyl derivatives of 2,3-dihydro-1,4-dioxino [2,3-f]quinoline Megan Tran 2002-10-01 $95,447,000
6407066 Pyroglutamic acid derivatives and related compounds which inhibit leukocyte adhesion mediated by VLA-4 Darren B. Dressen, Anthony Kreft, Dennis M. Kubrak, Charles William Mann, Michael A. Pleiss +1 more 2002-06-18 $162,308,000
5962465 Aminomethyl-2,3,8,9-tetrahydro-7H-1,4-dioxino-2,3-e!-indol-8-ones and derivatives Richard E. Mewshaw, Byron A. Bravo, Young H. Kang 1999-10-05 $650,046,000
5869490 Azaheterocyclymethyl derivatives of 2,3,8,9-tetrahydro-7h-1,4-dioxino (2,3-e) indol-8-one 1999-02-09 $294,137,000
5756532 Aminomethyl-2 3 8 9-tetrahydro-7H-1 4-dioxino2 3-E!-indol-8-ones and derivatives Richard E. Mewshaw, Byron A. Bravo, Young H. Kang 1998-05-26 $148,516,000
5750724 Indolealkyl derivatives of benzodioxanmethylamine Young H. Kang 1998-05-12 $113,802,000
5750556 2-(aminomethyl)-3,4,7,9-tetrahydro-2H-pyrano-2,3-E!indol-8-ones and derivatives Richard E. Mewshaw 1998-05-12 $113,802,000
5541179 Tropon-2-one piperazine carboxamides as serotonergic agents Reinhardt Baudy, Scott C. Berta 1996-07-30 $30,342,000
5245051 Antipsychotic chroman derivatives of benzodioxanmethylamine Young H. Kang 1993-09-14 $95,811,000
5235055 Antipsychotic quinoline derivatives of benzodioxanmethylamine Magid A. Abou-Gharbia 1993-08-10 $40,725,000
5221745 Psychotropic piperidinylmethyl benzodioxans 1993-06-22 $23,514,000
5212170 Psychotropic piperidinylmethyl benzodioxans 1993-05-18 $47,914,000
5189171 Antipsychotic benzodioxan derivatives Terrance H. Andree, Noreen T. Scherer 1993-02-23 $18,741,000
5182292 Psychotropic piperidinylmethyl benzodioxans 1993-01-26 $42,648,000
5166367 Antipsychotic benzodioxan derivatives Terrance H. Andree, Noreen T. Scherer 1992-11-24 $51,749,000