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USPTO Patent Rankings Data through Dec 31, 2025
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Derek E. Cadden — 1 Patent

FLFlex Box Limited: 1 patents #3 of 11Top 30%
Stockport, GB: #128 of 272 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Derek E. Cadden has been granted 1 US patent while listed as an inventor at Flex Box Limited. All of these patents were granted in 1994. Derek E. Cadden ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Derek E. Cadden in Stockport, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5375854 Mechanical face seals Peter Derek Carlisle 1994-12-27