Inventor
Stephen M. Liebold
Inventor
Grantham, NH, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Hprimary
H05HPlasma technique44%
B23KSoldering or unsoldering38%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
F16LPipes4%
F23DBurners4%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
10,856,400Connecting plasma arc torches and related systems and methods202010,737,347Thread connection for a torch system202010,722,970Controlling plasma arc torches and related systems and methods202010,576,575Thread connection for a torch system202010,455,682Optimization and control of material processing using a thermal processing torch201910,245,674Systems and methods for plasma gas venting in a plasma arc torch201910,194,517Plasma arc cutting system, consumables and operational methods201910,149,376Water injection and venting of a plasma arc torch20189,900,972'Plasma arc cutting systems, consumables and operational methods'20189,789,561'Apparatus and method for a liquid cooled shield for improved piercing performance'20179,481,050'Plasma arc cutting system and persona selection process'20168,981,252'Apparatus and method for a liquid cooled shield for improved piercing performance'20158,866,038'Consumable component parts for a plasma torch'20148,809,728'Method and apparatus for automatic gas control for a plasma arc torch'20148,541,710'Method and apparatus for automatic gas control for a plasma arc torch'20138,395,077'Plasma arc torch providing angular shield flow injection'20138,389,887'Apparatus and method for a liquid cooled shield for improved piercing performance'20138,338,740'Nozzle with exposed vent passage'20128,212,173'Liquid cooled shield for improved piercing performance'20127,829,816'Plasma arc torch providing angular shield flow injection'20107,598,473'Generating discrete gas jets in plasma arc torch applications'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2020Patents assigned to HYPERTHERM INC (21)· patent assignee history
2009–2020Based in Grantham, NH, US· patent location history
2012–2015Patents assigned to LIEBOLD STEPHEN M (8)· patent assignee history
2012–2015Patents assigned to LINDSAY JON W (6)· patent assignee history
2013–2014Patents assigned to BRANDT AARON D (4)· patent assignee history
2013–2014Patents assigned to DUAN ZHENG (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HYPERTHERM INC | 21 | 2009–2020 |
| LIEBOLD STEPHEN Mself | 8 | 2012–2015 |
| LINDSAY JON W | 6 | 2012–2015 |
| BRANDT AARON D | 4 | 2013–2014 |
| DUAN ZHENG | 4 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Grantham, NH, US | 21 | 2009–2020 |