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USPTO Patent Rankings Data through Dec 31, 2025
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Terrence C. Allen — 1 Patent

HAHalkey-Roberts: 1 patents #18 of 29Top 65%
Clearwater, FL: #475 of 932 inventorsTop 55%
Florida: #33,989 of 67,251 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Terrence C. Allen has been granted 1 US patent while listed as an inventor at Halkey-Roberts. All of these patents were granted in 1994. Terrence C. Allen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Terrence C. Allen in Clearwater, FL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5349984 Check valve Jacek M. Weinheimer, Michael T. Taylor 1994-09-27