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USPTO Patent Rankings Data through Dec 31, 2025
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Derek V. Doerr — 1 Patent

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Caister on Sea, GB: #8 of 16 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Derek V. Doerr has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1995. Derek V. Doerr ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Derek V. Doerr in Caister on Sea, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5383282 Saddle-joint jig Robert William Richard Field 1995-01-24