Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David P. Sherriff — 1 Patent

UIUnit Instruments: 1 patents #8 of 15Top 55%
Villa Park, CA: #167 of 309 inventorsTop 55%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David P. Sherriff has been granted 1 US patent while listed as an inventor at Unit Instruments. All of these patents were granted in 2002. David P. Sherriff ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David P. Sherriff in Villa Park, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6394138 Manifold system of removable components for distribution of fluids Kim Ngoc Vu, Eric J. Redemann 2002-05-28