Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Hooper — 2 Patents

HCHoechst Celanese: 1 patents #468 of 871Top 55%
General Motors: 1 patents #9,441 of 18,328Top 55%
Huron, OH: #28 of 85 inventorsTop 35%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert E. Hooper has been granted 2 US patents while listed as an inventor at Hoechst Celanese. The first was granted in 1980 and the most recent in April 1990. Robert E. Hooper ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert E. Hooper in Huron, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4913863 Split extrusion die assembly for thermoplastic materials and methods of using the same John F. Burrafato 1990-04-03
4228915 Fuel cap with antirotation feature between cover and skirt portions Lawrence P. Johnson 1980-10-21 $6,021,000