Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen T. Eickhoff — 1 Patent in 2021

HYHypertherm: 1 patents #7 of 44Top 20%
Hanover, NH: #17 of 54 inventorsTop 35%
New Hampshire: #554 of 1,586 inventorsTop 35%
Overall (2021): #252,536 of 548,734Top 50%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10912183 Swirl ring and contact element for a plasma arc torch cartridge Yu Zhang, Jesse A. Roberts, Zheng Duan, Michael Scheller, David Agan +2 more 2021-02-02