Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Agan — 5 Patents

HYHypertherm: 5 patents #52 of 199Top 30%
Enfield, NH: #16 of 65 inventorsTop 25%
New Hampshire: #2,859 of 12,181 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Agan has been granted 5 US patents while listed as an inventor at Hypertherm. The first was granted in 2014 and the most recent in April 2025. David Agan ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Agan in Enfield, NH, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12280441 Swirl ring and contact element for a plasma arc torch cartridge Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, Steven Moody +2 more 2025-04-22
10912183 Swirl ring and contact element for a plasma arc torch cartridge Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, Steven Moody +2 more 2021-02-02
10335888 Swirl ring and contact element for a plasma arc torch cartridge Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, Steven Moody +2 more 2019-07-02
10314155 Asymmetric consumables for a plasma arc torch Shreyansh Patel, Clifford G. Darrow, Steven Moody, Martin Higgens, E. Michael Shipulski 2019-06-04
8698036 Devices for gas cooling plasma arc torches and related systems and methods Yu Zhang, Zheng Duan, Michael F. Kornprobst 2014-04-15