John D. Harnden Jr.

Person

Schenectady, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Control system, method of operating a heating apparatus and control...
- Patent number 5,235,159
- Issue date Aug 10, 1993
- General Electric Company
- William P. Kornrumpf
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Piezoelectric ceramic switching devices and systems and method of m...
- Patent number RE33691
- Issue date Sep 17, 1991
- General Electric Company
- John D. Harnden
- 310 - Electrical generator or motor structure
Information Patent Grant
Method for initially polarizing and centering a piezoelectric ceram...
- Patent number RE33618
- Issue date Jun 25, 1991
- General Electric Company
- John D. Harnden
- 029 - Metal working
Information Patent Grant
Method for (prepolarizing and centering) operating a piezoceramic p...
- Patent number RE33587
- Issue date May 14, 1991
- General Electric Company
- John D. Harnden
- 029 - Metal working
Information Patent Grant
Advanced piezoceramic power switching devices employing protective...
- Patent number RE33577
- Issue date Apr 23, 1991
- General Electric Company
- John D. Harnden
- 310 - Electrical generator or motor structure
Information Patent Grant
Piezoelectric ceramic switching devices and systems and methods of...
- Patent number RE33568
- Issue date Apr 9, 1991
- General Electric Company
- John D. Harnden
- 310 - Electrical generator or motor structure
Information Patent Grant
Control system, method of operating an atmospheric cooling apparatu...
- Patent number 4,967,568
- Issue date Nov 6, 1990
- General Electric Company
- John D. Harnden
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Piezoelectic relay module to be utilized in an appliance or the like
- Patent number 4,819,126
- Issue date Apr 4, 1989
- Pacific Bell
- William P. Kornrumpf
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic starting circuit for an alternating current motor
- Patent number 4,764,714
- Issue date Aug 16, 1988
- General Electric Company
- Robert P. Alley
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Piezoelectric relays in sealed enclosures
- Patent number 4,755,706
- Issue date Jul 5, 1988
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric switch
- Patent number 4,742,263
- Issue date May 3, 1988
- Pacific Bell
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Advanced piezoeceramic power switching devices employing protective...
- Patent number 4,714,847
- Issue date Dec 22, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric switch
- Patent number 4,697,118
- Issue date Sep 29, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Advanced piezoceramic power switching devices employing protective...
- Patent number 4,689,517
- Issue date Aug 25, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for prepolarizing and centering a piezoceramic power switchi...
- Patent number 4,680,840
- Issue date Jul 21, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric ceramic switching devices and systems and methods of...
- Patent number 4,678,957
- Issue date Jul 7, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for prepolarizing and centering a piezoelectric ceramic swit...
- Patent number 4,669,160
- Issue date Jun 2, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric ceramic switching devices and systems and method of m...
- Patent number 4,670,682
- Issue date Jun 2, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric relay switching circuit
- Patent number 4,658,154
- Issue date Apr 14, 1987
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Zero crossing synchronous AC switching circuits employing piezocera...
- Patent number 4,626,698
- Issue date Dec 2, 1986
- General Electric Company
- John D. Harnden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current-shunt system for known conductors
- Patent number 4,584,525
- Issue date Apr 22, 1986
- General Electric Company
- John D. Harnden
- G01 - MEASURING TESTING
Information Patent Grant
Magnetoelastic force/pressure sensor
- Patent number 4,561,314
- Issue date Dec 31, 1985
- General Electric Company
- Robert P. Alley
- G01 - MEASURING TESTING
Information Patent Grant
LCD Hook-on digital ammeter
- Patent number 4,559,496
- Issue date Dec 17, 1985
- General Electric Company
- John D. Harnden
- G01 - MEASURING TESTING
Information Patent Grant
Piezoelectric force/pressure sensor
- Patent number 4,546,658
- Issue date Oct 15, 1985
- General Electric Company
- Henry A. F. Rocha
- G01 - MEASURING TESTING
Information Patent Grant
Radiant-energy heating and/or cooking apparatus with honeycomb cove...
- Patent number 4,489,234
- Issue date Dec 18, 1984
- General Electric Company
- John D. Harnden
- B32 - LAYERED PRODUCTS
Information Patent Grant
LDC Hook-on digital ammeter
- Patent number 4,471,300
- Issue date Sep 11, 1984
- General Electric Company
- John D. Harnden
- G01 - MEASURING TESTING
Information Patent Grant
Low cost volt/ampere meter with liquid crystal display
- Patent number 4,438,396
- Issue date Mar 20, 1984
- General Electric Company
- John D. Harnden
- G01 - MEASURING TESTING
Information Patent Grant
Diode assisted relay contactor
- Patent number 4,360,847
- Issue date Nov 23, 1982
- General Electric Company
- Milton D. Bloomer
- G01 - MEASURING TESTING
Information Patent Grant
Electrical device termination high temperature indicator
- Patent number 4,310,837
- Issue date Jan 12, 1982
- General Electric Company
- William P. Kornrumpf
- G08 - SIGNALLING
Information Patent Grant
Interchangeable networks with non-linear sensors and method of prod...
- Patent number 4,300,392
- Issue date Nov 17, 1981
- General Electric Company
- Milton D. Bloomer
- G01 - MEASURING TESTING

John D. Harnden Jr.

Person

Patents Grantslast 30 patents

Control system, method of operating a heating apparatus and control...

Piezoelectric ceramic switching devices and systems and method of m...

Method for initially polarizing and centering a piezoelectric ceram...

Method for (prepolarizing and centering) operating a piezoceramic p...

Advanced piezoceramic power switching devices employing protective...

Piezoelectric ceramic switching devices and systems and methods of...

Control system, method of operating an atmospheric cooling apparatu...

Piezoelectic relay module to be utilized in an appliance or the like

Electronic starting circuit for an alternating current motor

Piezoelectric relays in sealed enclosures

Piezoelectric switch

Advanced piezoeceramic power switching devices employing protective...

Piezoelectric switch

Advanced piezoceramic power switching devices employing protective...

Method for prepolarizing and centering a piezoceramic power switchi...

Piezoelectric ceramic switching devices and systems and methods of...

Method for prepolarizing and centering a piezoelectric ceramic swit...

Piezoelectric ceramic switching devices and systems and method of m...

Piezoelectric relay switching circuit

Zero crossing synchronous AC switching circuits employing piezocera...

Current-shunt system for known conductors

Magnetoelastic force/pressure sensor

LCD Hook-on digital ammeter

Piezoelectric force/pressure sensor

Radiant-energy heating and/or cooking apparatus with honeycomb cove...

LDC Hook-on digital ammeter

Low cost volt/ampere meter with liquid crystal display

Diode assisted relay contactor

Electrical device termination high temperature indicator

Interchangeable networks with non-linear sensors and method of prod...