Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EH

Erwin Hendricks

SESmith Engineering: 2 patents #6 of 24Top 25%
Alameda, CA: #521 of 1,067 inventorsTop 50%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,246,504 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5871349 Rotary valve thermal oxidizer Jeffrey C. Johnson, Thomas J. Truppi, Theodore R. Wheeler 1999-02-16
5770165 Regenerative thermal oxidizer with floor-mounted media support Thomas J. Truppi, Gary L. Martin, Melanius D'Souza 1998-06-23