John Robert Welling

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Scottsdale, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Temperature compensated resonator and method
- Patent number 6,131,256
- Issue date Oct 17, 2000
- Motorola, Inc.
- Michael Dydyk
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Temperature compenated resonator and method
- Patent number 5,696,423
- Issue date Dec 9, 1997
- Motorola, Inc.
- Michael Dydyk
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Plated spring electrolyte dispensing ampule for deferred action bat...
- Patent number 5,175,065
- Issue date Dec 29, 1992
- Motorola Inc.
- Richard H. Lammers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Passive, recyclable cooling system for missile electronics
- Patent number 4,377,198
- Issue date Mar 22, 1983
- Motorola Inc.
- John R. Welling
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Water boiler/venturi cooler
- Patent number 4,255,938
- Issue date Mar 17, 1981
- Motorola Inc.
- Dean E. Norris
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Hermetic glass encapsulation for semiconductor die and method
- Patent number 4,183,135
- Issue date Jan 15, 1980
- Motorola, Inc.
- John R. Welling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hermetic glass encapsulation for semiconductor die and method
- Patent number 4,151,638
- Issue date May 1, 1979
- Motorola, Inc.
- John R. Welling
- H01 - BASIC ELECTRIC ELEMENTS