John W. Hamer III

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Florence, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable switching frequency power supply plasma cutters
- Patent number 9,908,196
- Issue date Mar 6, 2018
- The ESAB Group Inc.
- Philip K. Higgins
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE SWITCHING FREQUENCY POWER SUPPLY FOR PLASMA CUTTERS AND PL...
- Publication number 20180281099
- Publication date Oct 4, 2018
- The ESAB Group Inc.
- Philip K. Higgins
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Variable Switching Frequency Power Supply Plasma Cutters
- Publication number 20160067812
- Publication date Mar 10, 2016
- The ESAB Group, Inc.
- Philip K. Higgins
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR