David Kempert

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Willoughby, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Manual welding apparatus having an automatic wire retract method
- Patent number 11,198,191
- Issue date Dec 14, 2021
- Lincoln Global, Inc.
- Edward D. Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding apparatus with automated welding retraction
- Patent number 10,562,124
- Issue date Feb 18, 2020
- Lincoln Global, Inc.
- Edward Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manual welding apparatus having an automatic wire retract method
- Patent number 9,821,400
- Issue date Nov 21, 2017
- Lincoln Global, Inc.
- Edward Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding apparatus with automated welding wire retraction
- Patent number 9,498,839
- Issue date Nov 22, 2016
- Lincoln Global, Inc.
- Edward Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MANUAL WELDING APPARATUS HAVING AN AUTOMATIC WIRE RETRACT METHOD
- Publication number 20170334015
- Publication date Nov 23, 2017
- LINCOLN GLOBAL, INC.
- Edward D. Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING APPARATUS WITH AUTOMATED WELDING WIRE RETRACTION
- Publication number 20130146575
- Publication date Jun 13, 2013
- LINCOLN GLOBAL, INC.
- Edward Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING APPARATUS WITH AUTOMATED WELDING WIRE RETRACTION
- Publication number 20120199566
- Publication date Aug 9, 2012
- LINCOLN GLOBAL, INC.
- Edward Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
MANUAL WELDING APPARATUS HAVING AN AUTOMATIC WIRE RETRACT METHOD
- Publication number 20120145689
- Publication date Jun 14, 2012
- LINCOLN GLOBAL, INC.
- Edward Hillen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR