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

David A. Perry — 23 Patents

Pfizer: 11 patents #437 of 5,153Top 9%
ILInventure Laboratories: 4 patents #1 of 15Top 7%
ALAluminum Ladder: 1 patents #9 of 19Top 50%
TAThe University Of Akron: 1 patents #250 of 724Top 35%
Akron, OH: #86 of 1,966 inventorsTop 5%
Ohio: #2,717 of 73,341 inventorsTop 4%
Overall (All Time): #178,160 of 4,157,543Top 5%
23 Patents All Time
David A. Perry has been granted 23 US patents while listed as an inventor at Pfizer. The first was granted in 1980 and the most recent in March 2025. David A. Perry ranks #178,160 of 4,157,543 US inventors in our database (top 4.3%). Patent records list David A. Perry in Akron, OH, US.

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12241829 Method and apparatus for detecting chemical compounds in soil Lamalani Suarez, Linda Barrett 2025-03-04
12007312 Method and apparatus for detecting chemical compounds in soil Lamalani Suarez, Linda Barrett 2024-06-11
11796463 Method and apparatus for detecting chemical compounds in soil Lamalani Suarez, Linda Barrett 2023-10-24
11221292 Method utilizing in-situ, subsurface, near-infrared spectroscopy to detect buried human remains Afrin Lopa, Timothy Matney, Linda Barrett 2022-01-11
8383660 Dibenzyl amine compounds and derivatives George Chang, Ravi Shanker Garigipati, Bruce Lefker 2013-02-26 $623,161,000
8323159 System and apparatus for storage and use of dumbbells Paul Picciano 2012-12-04
7919506 Dibenzyl amine compounds and derivatives George Chang, Ravi Shanker Garigipati, Bruce Lefker, Dongxiang Zeng 2011-04-05 $321,745,000
7837601 Method to prepare for and conduct an exercise using free weights Paul Picciano 2010-11-23
6979741 Acetyl-CoA carboxylase inhibitors H. James Harwood 2005-12-27 $223,783,000
6699904 PPAR agonists Cheryl M. Hayward 2004-03-02 $209,643,000
6502267 Conveyor crossover Ellie H. MacDonald 2003-01-07
5981500 Antiparasitic agents related to the milbemycins and avermectins Bernard Bishop, Michael Pacey 1999-11-09 $169,036,000
5589366 Process for producing antiparasitic macrolide antibiotics Mark A. Haxell, Hiroshi Maeda, Junsuke Tone 1996-12-31 $94,390,000
5573946 Biologically pure culture of Streptomyces hygroscopicus ATCC 53718 capable of producing antibiotic compounds Mark A. Haxell, Hiroshi Maeda, Junsuke Tone 1996-11-12 $108,479,000
5073567 Antiparasitic agent Yasuhiro Kojima, Hiroshi Maeda, Satoshi Nishiyama 1991-12-17 $120,906,000
5026643 Fermentation process for the preparation of novel C.25 (substituted(2-propenyl) milbemycins Christopher J. Dutton 1991-06-25 $30,878,000
4929638 C.25 [substituted(2-propenyl)]milbemycins Christopher J. Dutton 1990-05-29 $19,574,000
4927847 Novel C.25 (substituted (2-propenyl))-milbemycins Christopher J. Dutton 1990-05-22 $13,892,000
4678532 Treatment of wood veneers in plywood manufacturing Richard Stratton 1987-07-07
4425320 Method and apparatus for carrying out solid phase in vitro diagnostic assays Peter Stead 1984-01-10 $1,974,000
4305924 Method and apparatus for performing in vitro clinical diagnostic tests using a solid phase assay system Roger N. Piasio, Pangal N. Nayak 1981-12-15 $684,000
4225575 Method and apparatus for performing in vitro clinical diagnostic tests using a solid phase assay system Roger N. Piasio, Pangal N. Nayak 1980-09-30
4197287 Method and apparatus for performing in nitro clinical diagnostic tests using a solid phase assay system having special utility for use with automatic pipetting equipment Roger N. Piasio, Pangal N. Nayak 1980-04-08