Thomas J. Walsh

Person

Butler, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
One shot pulse width modulating converter
- Patent number 4,594,578
- Issue date Jun 10, 1986
- General Signal Corporation
- Thomas J. Walsh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
End-filling sampler for molten metals
- Patent number 4,550,620
- Issue date Nov 5, 1985
- General Signal Corporation
- John R. Wiese
- G01 - MEASURING TESTING
Information Patent Grant
Thermocouple open circuit detector
- Patent number 4,496,250
- Issue date Jan 29, 1985
- General Signal Corporation
- Thomas J. Walsh
- G01 - MEASURING TESTING
Information Patent Grant
Voltage to duty cycle converter
- Patent number 4,390,796
- Issue date Jun 28, 1983
- Leeds & Northrup Co.
- Robert W. McClenahan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Preamplifier for voltage measuring instrument with non-interacting...
- Patent number 4,315,211
- Issue date Feb 9, 1982
- Leeds & Northrup Company
- Thomas J. Walsh
- G01 - MEASURING TESTING
Information Patent Grant
Open circuit detector for multipoint recorder
- Patent number 4,115,785
- Issue date Sep 19, 1978
- Leeds & Northrup Company
- Howard Sherman Hoopes
- G01 - MEASURING TESTING
Information Patent Grant
Temperature measurement with three lead resistance thermometers
- Patent number 4,114,446
- Issue date Sep 19, 1978
- Leeds & Northrup Company
- Thomas Joseph Walsh
- G01 - MEASURING TESTING
Information Patent Grant
Servo stop system
- Patent number 4,099,114
- Issue date Jul 4, 1978
- Leeds & Northrup Company
- Howard Sherman Hoopes
- G05 - CONTROLLING REGULATING

Thomas J. Walsh

Person

Patents Grantslast 30 patents

One shot pulse width modulating converter

End-filling sampler for molten metals

Thermocouple open circuit detector

Voltage to duty cycle converter

Preamplifier for voltage measuring instrument with non-interacting...

Open circuit detector for multipoint recorder

Temperature measurement with three lead resistance thermometers

Servo stop system