John P. Walden

Person

Schenectady, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Low noise, high frequency synchronous rectifier
- Patent number 4,903,189
- Issue date Feb 20, 1990
- General Electric Company
- Khai D. T. Ngo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power semiconductor device with main current section and emulation...
- Patent number 4,783,690
- Issue date Nov 8, 1988
- General Electric Company
- John P. Walden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Parallel resonant induction cooking surface unit
- Patent number 4,426,564
- Issue date Jan 17, 1984
- General Electric Company
- Robert L. Steigerwald
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency shift inverter for variable power control
- Patent number 4,346,332
- Issue date Aug 24, 1982
- General Electric Company
- John P. Walden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for sensing current transformer primary current as a func...
- Patent number 4,276,510
- Issue date Jun 30, 1981
- General Electric Company
- Russell E. Tompkins
- G01 - MEASURING TESTING
Information Patent Grant
Inverter having forced turn-off
- Patent number RE29788
- Issue date Sep 26, 1978
- General Electric Company
- Thomas E. Anderson
- 363 - Electric power conversion systems
Information Patent Grant
Inverter power supply
- Patent number 4,070,701
- Issue date Jan 24, 1978
- General Electric Company
- John D. Harnden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC to AC inverter having improved switching efficiency, overload an...
- Patent number 4,041,544
- Issue date Aug 9, 1977
- General Electric Company
- John P. Walden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for reducing inverter no-load losses
- Patent number 4,012,683
- Issue date Mar 15, 1977
- General Electric Company
- Armand P. Ferro
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromagnetically shielded electrical power supply with reduced c...
- Patent number 3,963,975
- Issue date Jun 15, 1976
- General Electric Company
- Harold A. Gauper
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC to AC inverter having improved switching efficiency, overload, a...
- Patent number 3,956,684
- Issue date May 11, 1976
- General Electric Company
- John P. Walden
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter having forced turn-off
- Patent number 3,953,780
- Issue date Apr 27, 1976
- General Electric Company
- Thomas E. Anderson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

John P. Walden

Person

Patents Grantslast 30 patents

Low noise, high frequency synchronous rectifier

Power semiconductor device with main current section and emulation...

Parallel resonant induction cooking surface unit

Frequency shift inverter for variable power control

Apparatus for sensing current transformer primary current as a func...

Inverter having forced turn-off

Inverter power supply

DC to AC inverter having improved switching efficiency, overload an...

Method and apparatus for reducing inverter no-load losses

Electromagnetically shielded electrical power supply with reduced c...

DC to AC inverter having improved switching efficiency, overload, a...

Inverter having forced turn-off