Stephen Li

Person

Appleton, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Engine driven converter with feedback control
- Patent number 7,312,419
- Issue date Dec 25, 2007
- Illinois Tool Works Inc.
- Richard W. Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven converter with feedback control
- Patent number 7,112,945
- Issue date Sep 26, 2006
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven inverter welding power supply
- Patent number 6,894,401
- Issue date May 17, 2005
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven inverter welding power supply
- Patent number 6,674,179
- Issue date Jan 6, 2004
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven welding power supply with inverter auxiliary power
- Patent number 6,469,401
- Issue date Oct 22, 2002
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven inverter welding power supply
- Patent number 6,310,321
- Issue date Oct 30, 2001
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma cutting or arc welding power supply with phase staggered sec...
- Patent number 6,300,589
- Issue date Oct 9, 2001
- Illinois Tool Works Inc.
- Jon O. Reynolds
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven inverter welding power supply
- Patent number 6,111,217
- Issue date Aug 29, 2000
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma cutting or arc welding power supply with phase staggered sec...
- Patent number 6,051,804
- Issue date Apr 18, 2000
- Illinois Tool Works Inc.
- Jon O. Reynolds
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Engine driven inverter welding power supply
- Patent number 5,968,385
- Issue date Oct 19, 1999
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Plasma pilot arc control
- Patent number 5,866,869
- Issue date Feb 2, 1999
- Illinois Tool Works Inc.
- Joseph Schneider
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Engine Driven Converter With Feedback Control
- Publication number 20070045259
- Publication date Mar 1, 2007
- Illinois Tool Works Inc.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Engine driven converter with feedback control
- Publication number 20050236383
- Publication date Oct 27, 2005
- ILLINOIS TOOL WORKS INC.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Engine driven inverter welding power supply
- Publication number 20040060912
- Publication date Apr 1, 2004
- ILLINOIS TOOL WORKS INC.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Engine driven inverter welding power supply
- Publication number 20030075927
- Publication date Apr 24, 2003
- ILLINOIS TOOL WORKS INC.
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Engine driven welding power supply with inverter auxiliary power
- Publication number 20020011732
- Publication date Jan 31, 2002
- Richard Beeson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Person

Patents Grantslast 30 patents

Engine driven converter with feedback control

Engine driven converter with feedback control

Engine driven inverter welding power supply

Engine driven inverter welding power supply

Engine driven welding power supply with inverter auxiliary power

Engine driven inverter welding power supply

Plasma cutting or arc welding power supply with phase staggered sec...

Engine driven inverter welding power supply

Plasma cutting or arc welding power supply with phase staggered sec...

Engine driven inverter welding power supply

Plasma pilot arc control

Patents Applicationslast 30 patents

Engine Driven Converter With Feedback Control

Engine driven converter with feedback control

Engine driven inverter welding power supply

Engine driven inverter welding power supply

Engine driven welding power supply with inverter auxiliary power