Roger Hewitt

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Plainfield, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Plasma arc torch with secondary starting circuit and electrode
- Patent number 9,288,887
- Issue date Mar 15, 2016
- Victor Equipment Company
- Steve Norris
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tips and contact members having ridges for use in a contact start p...
- Patent number 6,933,461
- Issue date Aug 23, 2005
- Thermal Dynamics Corporation
- Kevin Horner-Richardson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Torch, lead and connector assembly
- Patent number D489079
- Issue date Apr 27, 2004
- Thermal Dynamics Corporation
- Kevin Horner-Richardson
- D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

Information Patent Application
PLASMA ARC TORCH WITH SECONDARY STARTING CIRCUIT AND ELECTRODE
- Publication number 20120298635
- Publication date Nov 29, 2012
- Thermal Dynamics Corporation
- Steve Norris
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Tip for a plasma arc torch
- Publication number 20040011771
- Publication date Jan 22, 2004
- Kevin Horner-Richardson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR