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Stephen T. Eickhoff
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Hanover, NH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cost effective cartridge for a plasma arc torch
Patent number
11,684,995
Issue date
Jun 27, 2023
Hypertherm, Inc.
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cost effective cartridge for a plasma arc torch
Patent number
11,432,393
Issue date
Aug 30, 2022
Hypertherm, Inc.
Zheng Duan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Swirl ring and contact element for a plasma arc torch cartridge
Patent number
10,912,183
Issue date
Feb 2, 2021
Hypertherm, Inc.
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Swirl ring and contact element for a plasma arc torch cartridge
Patent number
10,335,888
Issue date
Jul 2, 2019
Hypertherm, Inc.
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma cutting system with efficient components
Patent number
9,908,195
Issue date
Mar 6, 2018
Hypertherm, Inc.
Jesse A. Roberts
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrode for a contact start plasma arc torch and contact start pl...
Patent number
9,736,918
Issue date
Aug 15, 2017
Hypertherm, Inc.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for sensing the length of a lead
Patent number
8,927,895
Issue date
Jan 6, 2015
Hypertherm, Inc.
Stephen Theodore Eickhoff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Adapter for a plasma arc torch
Patent number
8,624,150
Issue date
Jan 7, 2014
Hypertherm, Inc.
Richard Joseph Simek
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrode for a contact start plasma arc torch and contact start pl...
Patent number
8,546,718
Issue date
Oct 1, 2013
Hypertherm, Inc.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrode for a contact start plasma arc torch and contact start pl...
Patent number
8,541,712
Issue date
Sep 24, 2013
Hypertherm, Inc.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrode for a contact start plasma arc torch and contact start pl...
Patent number
8,115,136
Issue date
Feb 14, 2012
Hypertherm, Inc.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma torch electrode with improved insert configurations
Patent number
8,101,882
Issue date
Jan 24, 2012
Hypertherm, Inc.
Jonathan P. Mather
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electrode for a contact start plasma arc torch and contact start pl...
Patent number
8,035,055
Issue date
Oct 11, 2011
Hypertherm, Inc.
Peter John Twarog
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Strain relief mechanism for a plasma arc torch
Patent number
6,852,943
Issue date
Feb 8, 2005
Hypertherm, Inc.
Stephen T. Eickhoff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Strain relief mechanism for a plasma arc torch
Patent number
6,472,631
Issue date
Oct 29, 2002
Hypertherm, Inc.
Stephen T. Eickhoff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plasma arc torch with vented flow nozzle retainer
Patent number
6,084,199
Issue date
Jul 4, 2000
Hypertherm, Inc.
Jon Lindsay
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Blow forward contact start plasma arc torch with distributed nozzle...
Patent number
5,886,315
Issue date
Mar 23, 1999
Hypertherm, Inc.
Zhipeng Lu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
COST EFFECTIVE CARTRIDGE FOR A PLASMA ARC TORCH
Publication number
20230271268
Publication date
Aug 31, 2023
HYPERTHERM, INC.
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Swirl Ring and Contact Element for a Plasma Arc Torch Cartridge
Publication number
20210136905
Publication date
May 6, 2021
HYPERTHERM, INC.
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Cost Effective Cartridge for a Plasma Arc Torch
Publication number
20210029814
Publication date
Jan 28, 2021
HYPERTHERM, INC.
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COST EFFECTIVE CARTRIDGE FOR A PLASMA ARC TORCH
Publication number
20200077504
Publication date
Mar 5, 2020
HYPERTHERM, INC.
Zheng Duan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SWIRL RING AND CONTACT ELEMENT FOR A PLASMA ARC TORCH CARTRIDGE
Publication number
20180257164
Publication date
Sep 13, 2018
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SWIRL RING AND CONTACT ELEMENT FOR A PLASMA ARC TORCH CARTRIDGE
Publication number
20180228013
Publication date
Aug 9, 2018
Yu Zhang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Electrode for a Contact Start Plasma Arc Torch and Contact Start Pl...
Publication number
20170042015
Publication date
Feb 9, 2017
HYPERTHERM, INC.
Jonathan P. Mather
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Plasma Cutting System with Efficient Components
Publication number
20150343554
Publication date
Dec 3, 2015
HYPERTHERM, INC.
Jesse A. Roberts
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ELECTRODE FOR A CONTACT START PLASMA ARC TORCH AND CONTACT START P...
Publication number
20120152913
Publication date
Jun 21, 2012
HYPERTHERM, INC.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ELECTRODE FOR A CONTACT START PLASMA ARC TORCH AND CONTACT START PL...
Publication number
20120152912
Publication date
Jun 21, 2012
HYPERTHERM, INC.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Adapter for a Plasma Arc Torch
Publication number
20120061355
Publication date
Mar 15, 2012
HYPERTHERM, INC.
Richard Joseph Simek
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and apparatus for sensing the length of a lead
Publication number
20090032502
Publication date
Feb 5, 2009
HYPERTHERM, INC.
Stephen Theodore Eickhoff
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PLASMA TORCH ELECTRODE WITH IMPROVED INSERT CONFIGURATIONS
Publication number
20080272094
Publication date
Nov 6, 2008
HYPERTHERM, INC.
Jonathan P. Mather
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Electrode for a contact start plasma arc torch and contact start pl...
Publication number
20070210034
Publication date
Sep 13, 2007
HYPERTHERM, INC.
Jonathan P. Mather
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Electrode for a contact start plasma arc torch and contact start pl...
Publication number
20070210035
Publication date
Sep 13, 2007
HYPERTHERM, INC.
Peter John Twarog
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PLASMA TORCH ELECTRODE WITH IMPROVED INSERT CONFIGURATIONS
Publication number
20070125755
Publication date
Jun 7, 2007
HYPERTHERM, INC.
Jonathan P. Mather
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Strain relief mechanism for a plasma arc torch
Publication number
20030038119
Publication date
Feb 27, 2003
Stephen T. Eickhoff
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
STRAIN RELIEF MECHANISM FOR A PLASMA ARC TORCH
Publication number
20020162826
Publication date
Nov 7, 2002
Stephen T. Eickhoff
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR