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USPTO Patent Rankings Data through Dec 31, 2025
EH

Eldon E. Hulsey — 3 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
DIDaniel Industries: 1 patents #29 of 69Top 45%
Houston, TX: #6,736 of 21,073 inventorsTop 35%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Eldon E. Hulsey has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in May 1987. Eldon E. Hulsey ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Eldon E. Hulsey in Houston, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4665946 Rotary control valves with pressure-reducing means 1987-05-19 $904,000
4453699 Gate and swing valve Burton T. Mast 1984-06-12
4212321 Low noise rotary control valve 1980-07-15