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Jeffrey L. Peterson
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Lebanon, NH, US
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last 30 patents
Information
Patent Grant
Plasma arc torch position control
Patent number
6,028,287
Issue date
Feb 22, 2000
Hyperthem, Inc.
Christopher S. Passage
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma arc torch position control
Patent number
5,866,872
Issue date
Feb 2, 1999
Hypertherm, Inc.
Zhipeng Lu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Liquid cooled plasma arc torch system and method for replacing a to...
Patent number
5,635,088
Issue date
Jun 3, 1997
Hypertherm, Inc.
Timothy M. Brewer
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Circuitry and method for maintaining a plasma arc during operation...
Patent number
5,620,617
Issue date
Apr 15, 1997
Hypertherm, Inc.
Dennis M. Borowy
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Information
Patent Grant
Plasma arc cutting torch ignition circuit and method providing a fo...
Patent number
5,548,097
Issue date
Aug 20, 1996
Hypertherm, Inc.
Richard W. Couch
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma arc torch ignition circuit and method
Patent number
5,416,297
Issue date
May 16, 1995
Hypertherm, Inc.
Lifeng Luo
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of restarting a plasma arc torch using a periodic high frequ...
Patent number
5,296,665
Issue date
Mar 22, 1994
Hypertherm, Inc.
Jeffrey L. Peterson
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