Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Bristow — 2 Patents

INInput/Output: 1 patents #64 of 149Top 45%
POPositron: 1 patents #2 of 10Top 20%
Sugar Land, TX: #947 of 1,869 inventorsTop 55%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Bristow has been granted 2 US patents while listed as an inventor at Input/Output. The first was granted in 1993 and the most recent in March 2006. David Bristow ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Bristow in Sugar Land, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7012853 Seismic data acquisition apparatus and method James Iseli, Daniel Schumacher, Allan Johnson, Greyson Knapp, Gary Crews +3 more 2006-03-14 $7,401,000
5210420 Positron emission tomography scanner Ross K. Hartz, Richard Hitchens, Howard David Yingst 1993-05-11