Donald W. Carkhuff

Person

Florence, SC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Plasma arc torch including means for disabling power source
- Patent number 5,681,489
- Issue date Oct 28, 1997
- The Esab Group, Inc.
- Donald W. Carkhuff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma arc torch with integral gas exchange
- Patent number 5,414,237
- Issue date May 9, 1995
- The Esab Group, Inc.
- Donald W. Carkhuff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma arc torch power disabling mechanism
- Patent number 5,216,221
- Issue date Jun 1, 1993
- ESAB Welding Products, Inc.
- Donald W. Carkhuff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrode adaptor
- Patent number 5,214,262
- Issue date May 25, 1993
- ESAB Welding Products, Inc.
- Donald W. Carkhuff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma torch having heat shield for torch body
- Patent number 5,162,632
- Issue date Nov 10, 1992
- ESAB Welding Products, Inc.
- Donald W. Carkhuff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma arc torch having extended nozzle of substantially hourglass
- Patent number 5,013,885
- Issue date May 7, 1991
- ESAB Welding Products, Inc.
- Donald W. Carkhuff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma arc torch having supplemental electrode cooling mechanisms
- Patent number 4,716,269
- Issue date Dec 29, 1987
- L-TEC Company
- Donald W. Carkhuff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma torch safety device
- Patent number 4,580,032
- Issue date Apr 1, 1986
- Union Carbide Corporation
- Donald W. Carkhuff
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of air cutting and gouging and a combined torch and nozzle a...
- Patent number 4,315,126
- Issue date Feb 9, 1982
- Union Carbide Corporation
- Peter R. Schaefer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal-inert-gas welding torch
- Patent number 4,105,891
- Issue date Aug 8, 1978
- Union Carbide Corporation
- Clifford W. Hill
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Donald W. Carkhuff

Person

Patents Grantslast 30 patents

Plasma arc torch including means for disabling power source

Plasma arc torch with integral gas exchange

Plasma arc torch power disabling mechanism

Electrode adaptor

Plasma torch having heat shield for torch body

Plasma arc torch having extended nozzle of substantially hourglass

Plasma arc torch having supplemental electrode cooling mechanisms

Plasma torch safety device

Method of air cutting and gouging and a combined torch and nozzle a...

Metal-inert-gas welding torch