Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

David Hugh — 3 Patents

REReliability: 2 patents #1 of 5Top 20%
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
David Hugh has been granted 3 US patents while listed as an inventor at Reliability. The first was granted in 2000 and the most recent in February 2022. David Hugh ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Hugh in Houston, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11248511 Sinuous balanced tailpipe system Karl Hugh 2022-02-15
6166555 Apparatus and method for seating and/or unseating printed circuit boards in a chamber Charles Lillja 2000-12-26 $385,000
6017215 Expandable panel for environmentally controllable chamber Charles Lillja 2000-01-25 $520,000