Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen M. Liebold — 25 Patents

HYHypertherm: 25 patents #9 of 199Top 5%
Lebanon, NH: #13 of 330 inventorsTop 4%
New Hampshire: #473 of 12,181 inventorsTop 4%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Stephen M. Liebold has been granted 25 US patents while listed as an inventor at Hypertherm. The first was granted in 2009 and the most recent in September 2024. Stephen M. Liebold ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Stephen M. Liebold in Lebanon, NH, US.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12089323 Connecting plasma arc torches and related systems and methods Brian J. Currier, Jeremy Beliveau 2024-09-10
11523492 Adjustable length consumables for a liquid-cooled plasma arc torch Soumya Mitra, Jeremy Beliveau, John Peters 2022-12-06
RE49153 Consumable component parts for a plasma torch Jon W. Lindsay, Brent R. Bartlett, Aaron D. Brandt, Zheng Duan 2022-07-26
11212904 Water injection and venting of a plasma arc torch Madhura Mitra, Soumya Mitra 2021-12-28
10856400 Connecting plasma arc torches and related systems and methods Brian J. Currier, Jeremy Beliveau 2020-12-01
10737347 Thread connection for a torch system Harshawardhan Jogdand, E. Michael Shipulski, David J. Cook, David L. Bouthillier, Zheng Duan +7 more 2020-08-11
10722970 Controlling plasma arc torches and related systems and methods Christopher S. Passage, Soumya Mitra, Steve Dunbar 2020-07-28
10576575 Thread connection for a torch system Harshawardhan Jogdand, Nicholas A. Sanders 2020-03-03
10455682 Optimization and control of material processing using a thermal processing torch E. Michael Shipulski, Richard Anderson, Peter V. Brahan, Wayne Chin, Guy T. Best +1 more 2019-10-22
10245674 Systems and methods for plasma gas venting in a plasma arc torch Brian J. Currier 2019-04-02
10194517 Plasma arc cutting system, consumables and operational methods Madhura Mitra, Harshawardhan Jogdand, Adam Chevalier, John Peters, Soumya Mitra 2019-01-29
10149376 Water injection and venting of a plasma arc torch Madhura Mitra, Soumya Mitra 2018-12-04
9900972 Plasma arc cutting systems, consumables and operational methods Soumya Mitra, Adam Chevalier, Ross A. Smith, Nicholas A. Sanders 2018-02-20
9789561 Apparatus and method for a liquid cooled shield for improved piercing performance Jon W. Lindsay 2017-10-17
9481050 Plasma arc cutting system and persona selection process Erik Brine, Jesse A. Roberts, Junsong Mao, Michael Hoffa, Clayton Gould +3 more 2016-11-01
8981252 Apparatus and method for a liquid cooled shield for improved piercing performance Jon W. Lindsay, Brian J. Currier 2015-03-17
8866038 Consumable component parts for a plasma torch Jon W. Lindsay, Brent R. Bartlett, Aaron D. Brandt, Zheng Duan 2014-10-21
8809728 Method and apparatus for automatic gas control for a plasma arc torch Aaron D. Brandt, Christopher S. Passage, Shane M. Selmer, Girish R. Kamath, Guy T. Best +2 more 2014-08-19
8541710 Method and apparatus for automatic gas control for a plasma arc torch Aaron D. Brandt, Christopher S. Passage, Shane M. Selmer, Girish R. Kamath, Guy T. Best +2 more 2013-09-24
8395077 Plasma arc torch providing angular shield flow injection Zheng Duan, Aaron D. Brandt 2013-03-12
8389887 Apparatus and method for a liquid cooled shield for improved piercing performance Jon W. Lindsay, Brian J. Currier 2013-03-05
8338740 Nozzle with exposed vent passage Brian J. Currier 2012-12-25
8212173 Liquid cooled shield for improved piercing performance Jon W. Lindsay 2012-07-03
7829816 Plasma arc torch providing angular shield flow injection Zheng Duan, Aaron D. Brandt 2010-11-09
7598473 Generating discrete gas jets in plasma arc torch applications David J. Cook, Jon W. Lindsay, Zheng Duan 2009-10-06