Howard W. Ludewig

Person

Groveland, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Weld kit and method for limited access weld joints
- Patent number 10,286,482
- Issue date May 14, 2019
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Truck body for a machine
- Patent number 9,649,966
- Issue date May 16, 2017
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Consumable insert for welding
- Patent number 9,545,693
- Issue date Jan 17, 2017
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welding system implementing concurrent auto-dam fabrication
- Patent number 9,193,002
- Issue date Nov 24, 2015
- Caterpillar Inc.
- Leon Adcock
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Automated assembly and welding of structures
- Patent number 8,322,591
- Issue date Dec 4, 2012
- Caterpillar Inc.
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Automated assembly and welding of structures
- Patent number 8,157,155
- Issue date Apr 17, 2012
- Caterpillar Inc.
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Localized induction heating for residual stress optimization
- Patent number 8,075,714
- Issue date Dec 13, 2011
- Caterpillar Inc.
- Pingshun Zhao
- C21 - METALLURGY OF IRON
Information Patent Grant
Dual wire welding torch and method
- Patent number 7,525,067
- Issue date Apr 28, 2009
- Caterpillar Inc.
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and system for controlling weld geometry features for improv...
- Patent number 6,362,456
- Issue date Mar 26, 2002
- Caterpillar Inc.
- Howard W. Ludewig
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for monitoring weld quality
- Patent number 6,184,491
- Issue date Feb 6, 2001
- Caterpillar Inc.
- Bryan L. Crane
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and system for determining weld bead quality
- Patent number 6,024,273
- Issue date Feb 15, 2000
- Caterpillar Inc.
- Howard W. Ludewig
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for arc welding fault detection
- Patent number 5,750,957
- Issue date May 12, 1998
- Caterpillar Inc.
- Alan L. Kilty
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for determining distortion of a welded member
- Patent number 5,729,345
- Issue date Mar 17, 1998
- Caterpillar Inc.
- Howard W. Ludewig
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for arc welding fault detection
- Patent number 5,521,354
- Issue date May 28, 1996
- Caterpillar Inc.
- Howard W. Ludewig
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Weld Kit and Method for Limited Access Weld Joints
- Publication number 20160361778
- Publication date Dec 15, 2016
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Systems and Methods for Weld Distortion Reduction via a Dynamically...
- Publication number 20160354854
- Publication date Dec 8, 2016
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
TRUCK BODY FOR A MACHINE
- Publication number 20160355117
- Publication date Dec 8, 2016
- Caterpillar Inc.
- Huijun Wang
- B60 - VEHICLES IN GENERAL
Information Patent Application
Customized Retainer for Induction Heating Coil
- Publication number 20160353527
- Publication date Dec 1, 2016
- Caterpillar Inc.
- Huijun Wang
- C21 - METALLURGY OF IRON
Information Patent Application
CERAMIC BACKING TILE WITH CONSUMABLE INSERT
- Publication number 20160288234
- Publication date Oct 6, 2016
- Caterpillar Inc.
- Leon Adcock
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONSUMABLE INSERT FOR WELDING
- Publication number 20160096241
- Publication date Apr 7, 2016
- Caterpillar Inc.
- Huijun Wang
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
METHOD FOR JOINING WORKPIECES
- Publication number 20150314407
- Publication date Nov 5, 2015
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CUSTOMIZED LASER METAL POWDER 3D PRINTED CONSUMABLE WELD INSERTS
- Publication number 20150197061
- Publication date Jul 16, 2015
- Caterpillar Inc.
- Huijun Wang
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
WELDING SYSTEM IMPLEMENTING CONCURRENT AUTO-DAM FABRICATION
- Publication number 20140353298
- Publication date Dec 4, 2014
- Leon ADCOCK
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
WELDING METHOD
- Publication number 20130240490
- Publication date Sep 19, 2013
- Caterpillar Inc.
- Huijun Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
AUTOMATED ASSEMBLY AND WELDING OF STRUCTURES
- Publication number 20120152911
- Publication date Jun 21, 2012
- Caterpillar Inc.
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Localized Induction Heating For Residual Stress Optimization
- Publication number 20120107644
- Publication date May 3, 2012
- Caterpillar, Inc.
- Pingshun Zhao
- C21 - METALLURGY OF IRON
Information Patent Application
Hybrid welding method
- Publication number 20100078412
- Publication date Apr 1, 2010
- Caterpillar Inc.
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Automated assembly and welding of structures
- Publication number 20090249606
- Publication date Oct 8, 2009
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LOCALIZED INDUCTION HEATING FOR RESIDUAL STRESS OPTIMIZATION
- Publication number 20090183804
- Publication date Jul 23, 2009
- Caterpillar Inc.
- Pingshun Zhao
- C21 - METALLURGY OF IRON
Information Patent Application
Dual wire welding torch and method
- Publication number 20070284351
- Publication date Dec 13, 2007
- Fernando Martinez Diez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Howard W. Ludewig

Person

Patents Grantslast 30 patents

Weld kit and method for limited access weld joints

Truck body for a machine

Consumable insert for welding

Welding system implementing concurrent auto-dam fabrication

Automated assembly and welding of structures

Automated assembly and welding of structures

Localized induction heating for residual stress optimization

Dual wire welding torch and method

Method and system for controlling weld geometry features for improv...

Method and apparatus for monitoring weld quality

Method and system for determining weld bead quality

Method for arc welding fault detection

Apparatus and method for determining distortion of a welded member

Method for arc welding fault detection

Patents Applicationslast 30 patents

Weld Kit and Method for Limited Access Weld Joints

Systems and Methods for Weld Distortion Reduction via a Dynamically...

TRUCK BODY FOR A MACHINE

Customized Retainer for Induction Heating Coil

CERAMIC BACKING TILE WITH CONSUMABLE INSERT

CONSUMABLE INSERT FOR WELDING

METHOD FOR JOINING WORKPIECES

CUSTOMIZED LASER METAL POWDER 3D PRINTED CONSUMABLE WELD INSERTS

WELDING SYSTEM IMPLEMENTING CONCURRENT AUTO-DAM FABRICATION

WELDING METHOD

AUTOMATED ASSEMBLY AND WELDING OF STRUCTURES

Localized Induction Heating For Residual Stress Optimization

Hybrid welding method

Automated assembly and welding of structures

LOCALIZED INDUCTION HEATING FOR RESIDUAL STRESS OPTIMIZATION

Dual wire welding torch and method