{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2025", "item": "https://www.patentleaderboard.com/2025/"}, {"@type": "ListItem", "position": 3, "name": "Hypertherm", "item": "https://www.patentleaderboard.com/2025/company/hypertherm"}, {"@type": "ListItem", "position": 4, "name": "Stephen T. Eickhoff", "item": "https://www.patentleaderboard.com/2025/inventor/fl:st_ln:eickhoff-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SE

Stephen T. Eickhoff — 1 Patent in 2025

HYHypertherm: 1 patents #6 of 30Top 20%
Hanover, NH: #13 of 54 inventorsTop 25%
New Hampshire: #460 of 1,239 inventorsTop 40%
Overall (2025): #180,257 of 469,880Top 40%
1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 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, David Agan +2 more 2025-04-22