Larry L. Church

Person

Jefferson, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Light weight cordless stud welder
- Patent number 11,534,849
- Issue date Dec 27, 2022
- Nelson Stud Welding, Inc.
- Scott J. Schraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light weight cordless stud welder
- Patent number 10,894,296
- Issue date Jan 19, 2021
- Nelson Stud Welding, Inc.
- Scott J. Schraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Two-stage switch-mode power supply for drawn-arc stud welding
- Patent number 10,279,415
- Issue date May 7, 2019
- Nelson Stud Welding, Inc.
- Christopher Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Capacitor charge and discharge circuit for fastener welding
- Patent number 8,410,399
- Issue date Apr 2, 2013
- Nelson Stud Welding, Inc.
- Christopher Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for selective application of power to welding equ...
- Patent number 6,657,163
- Issue date Dec 2, 2003
- Lincoln Global, Inc.
- George D. Blankenship
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric arc welder for variable AC input
- Patent number 6,504,132
- Issue date Jan 7, 2003
- Lincoln Global, Inc.
- Larry L. Church
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electric arc welder and plasma cutter
- Patent number 6,177,645
- Issue date Jan 23, 2001
- Lincoln Global, Inc.
- Larry L. Church
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Switching type power supply for arc welding
- Patent number 6,055,161
- Issue date Apr 25, 2000
- Lincoln Global, Inc.
- Larry L. Church
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric ARC welder and plasma cutter
- Patent number 6,023,037
- Issue date Feb 8, 2000
- Lincoln Global, Inc.
- Larry L. Church
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Output control circuit for inverter
- Patent number 4,897,522
- Issue date Jan 30, 1990
- The Lincoln Electric Company
- Dale L. Bilczo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pulse modulator using capacitor charging and discharging circuits
- Patent number 4,380,746
- Issue date Apr 19, 1983
- Westinghouse Electric Corp.
- Shan C. Sun
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Network protector relay
- Patent number 4,293,886
- Issue date Oct 6, 1981
- Westinghouse Electric Corp.
- Larry L. Church
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay apparatus
- Patent number 4,275,429
- Issue date Jun 23, 1981
- Westinghouse Electric Corp.
- Larry L. Church
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective relay apparatus
- Patent number 4,208,687
- Issue date Jun 17, 1980
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current based power supply
- Patent number 4,173,039
- Issue date Oct 30, 1979
- Electric Power Research Institute, Inc.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for protection against subsynchronous currents in a power...
- Patent number 4,106,071
- Issue date Aug 8, 1978
- Westinghouse Electric Corp.
- Shan C. Sun
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
LIGHT WEIGHT CORDLESS STUD WELDER
- Publication number 20230084669
- Publication date Mar 16, 2023
- Nelson Stud Welding, Inc.
- Scott J. Schraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT WEIGHT CORDLESS STUD WELDER
- Publication number 20210129255
- Publication date May 6, 2021
- Nelson Stud Welding, Inc.
- Scott J. Schraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT WEIGHT CORDLESS STUD WELDER
- Publication number 20170050259
- Publication date Feb 23, 2017
- Nelson Stud Welding, Inc.
- Scott J. Schraff
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Two-Stage Switch-Mode Power Supply for Drawn-Arc Stud Welding
- Publication number 20150076121
- Publication date Mar 19, 2015
- Jeffrey Krupp
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
TWO-STAGE SWITCH-MODE POWER SUPPLY FOR DRAWN-ARC STUD WELDING
- Publication number 20130062327
- Publication date Mar 14, 2013
- Nelson Stud Welding, Inc.
- Christopher Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CAPACITOR CHARGE AND DISCHARGE CIRCUIT FOR FASTENER WELDING
- Publication number 20100170880
- Publication date Jul 8, 2010
- Nelson Stud Welding, Inc.
- Christopher Hsu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Larry L. Church

Person

Patents Grantslast 30 patents

Light weight cordless stud welder

Light weight cordless stud welder

Two-stage switch-mode power supply for drawn-arc stud welding

Capacitor charge and discharge circuit for fastener welding

System and method for selective application of power to welding equ...

Electric arc welder for variable AC input

Electric arc welder and plasma cutter

Switching type power supply for arc welding

Electric ARC welder and plasma cutter

Output control circuit for inverter

Pulse modulator using capacitor charging and discharging circuits

Network protector relay

Protective relay apparatus

Protective relay apparatus

Current based power supply

Apparatus for protection against subsynchronous currents in a power...

Patents Applicationslast 30 patents

LIGHT WEIGHT CORDLESS STUD WELDER

LIGHT WEIGHT CORDLESS STUD WELDER

LIGHT WEIGHT CORDLESS STUD WELDER

Two-Stage Switch-Mode Power Supply for Drawn-Arc Stud Welding

TWO-STAGE SWITCH-MODE POWER SUPPLY FOR DRAWN-ARC STUD WELDING

CAPACITOR CHARGE AND DISCHARGE CIRCUIT FOR FASTENER WELDING