Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David A. Epstein — 30 Patents

IBM: 11 patents #10,022 of 70,183Top 15%
GPGmg Pen: 5 patents #1 of 1Top 100%
TFThermo Fisher: 5 patents #441 of 2,015Top 25%
INInvitrogen: 1 patents #101 of 207Top 50%
Atlanta, GA: #160 of 7,950 inventorsTop 3%
Georgia: #760 of 35,610 inventorsTop 3%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
David A. Epstein has been granted 30 US patents while listed as an inventor at IBM. The first was granted in 1991 and the most recent in May 2024. David A. Epstein ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list David A. Epstein in Atlanta, GA, US.

Patents per Year

Patents granted per year, 1991 to 2024Bar chart with a peak of 7 patents in 2021.peak 71991: 1 patents19911994: 1 patents1995: 2 patents19951998: 1 patents2001: 1 patents20012002: 2 patents2003: 4 patents20032004: 1 patents2012: 1 patents20122013: 1 patents2014: 2 patents20142016: 2 patents2017: 1 patents20172020: 1 patents2021: 7 patents20212022: 1 patents2024: 1 patents2024

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D1028089 Pen 2024-05-21
D954146 Pen 2022-06-07
D925655 Pen 2021-07-20
D925652 Pen 2021-07-20
D925653 Pen 2021-07-20
D925654 Pen 2021-07-20
D925656 Pen 2021-07-20
D923091 Pen 2021-06-22
D919006 Pen 2021-05-11
D890844 Pen 2020-07-21
9760914 Determining cost and processing of sensed data Ching-Hua Chen-Ritzo, Rick A. Hamilton, II, Perry G. Hartswick, Hongfei Li, Clifford A. Pickover +1 more 2017-09-12 $1,776,000
9426949 Systems and apparatus for extracting and delivering nutrients from biomass for plant growth Kenneth W. Lovell 2016-08-30
9321996 Serum-free mammalian cell culture medium, and uses thereof Stephen Gorfien, Richard Fike, Glenn Godwin, Joyce Dzimian, Dale Gruber +2 more 2016-04-26
8815573 Serum-free mammalian cell culture medium, and uses thereof Stephen Gorfien, Richard Fike, Glenn Godwin, Joyce L. Wolanske, Dale Gruber +2 more 2014-08-26
8785194 Serum-free mammalian cell culture medium, and uses thereof Stephen Gorfien, Richard Fike, Glenn Godwin, Joyce Dzimian, Dale Gruber +2 more 2014-07-22
8455246 Serum-free mammalian cell culture medium, and uses thereof Stephen Gorfien, Richard Fike, Glenn Godwin, Joyce Dzimian, Dale Gruber +1 more 2013-06-04 $25,106,000
8198084 Serum-free mammalian cell culture medium, and uses thereof Stephen Gorfien, Richard Fike, Glenn Godwin, Joyce Dzimian, Dale Gruber +2 more 2012-06-12 $41,592,000
6767741 Metal binding compounds and their use in cell culture medium compositions Paul Battista, Dale Gruber, David Judd 2004-07-27 $10,738,000
6578191 Method and apparatus for dynamic generation of adapters Richard F. Boehme, Matthew J. Duftler, Sanjiva Weerawarana 2003-06-10 $13,477,000
6578192 Method and system for supporting dynamic document content expressed in a component-level language Richard F. Boehme, Matthew J. Duftler, Joseph J. Kesselman, Sanjiva Weerawarana 2003-06-10 $13,477,000
6536033 Uniform mechanism for building containment hierarchies Sanjiva Weerawarana 2003-03-18 $13,080,000
6512670 Detachable displays or portable devices Richard A. Boehme, Paul M. Matchen, William A. Nagy, Roger L. Phillips 2003-01-28 $17,722,000
6446083 System and method for classifying media items Nathan Leight, Jonathan Katz, Robert C. Plotkin 2002-09-03
6408299 Type convertor registry Sanjiva Weerawarana, Francisco P. Curbera 2002-06-18 $15,516,000
6260042 Quick difference and update for tree structure data Francisco P. Curbera 2001-07-10 $19,901,000