Tommy L. Gray

Person

Dallas, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pneumatically controlled spraying system having a diaphragm-operate...
- Patent number 5,320,280
- Issue date Jun 14, 1994
- Graco Inc.
- Edward P. Murphy
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Controlling process gas flow
- Patent number 5,253,669
- Issue date Oct 19, 1993
- Span Instruments, Inc.
- Tommy L. Gray
- G05 - CONTROLLING REGULATING
Information Patent Grant
Regulator flow control
- Patent number 5,218,991
- Issue date Jun 15, 1993
- Span Instruments, Inc.
- Tommy L. Gray
- G05 - CONTROLLING REGULATING
Information Patent Grant
Pressure gauge with fiber optic sensor
- Patent number 5,138,155
- Issue date Aug 11, 1992
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Flow responsive transmitter and indicator
- Patent number 5,056,373
- Issue date Oct 15, 1991
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Pressure responsive encoder
- Patent number 5,051,729
- Issue date Sep 24, 1991
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Flow responsive transmitter and indicator
- Patent number 4,898,036
- Issue date Feb 6, 1990
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Pressure monitoring apparatus having a Hall-effect detector
- Patent number 4,745,811
- Issue date May 24, 1988
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Condition responsive apparatus
- Patent number 4,599,902
- Issue date Jul 15, 1986
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Regulator/valve controller
- Patent number 4,331,179
- Issue date May 25, 1982
- Span Instruments, Inc.
- Tommy L. Gray
- G05 - CONTROLLING REGULATING
Information Patent Grant
Sensor with adjustable pressure responsive detection and control
- Patent number 4,270,568
- Issue date Jun 2, 1981
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Pressure instrument compensating bladder
- Patent number 4,184,375
- Issue date Jan 22, 1980
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Sensor with adjustable pressure responsive detection and control
- Patent number 4,173,150
- Issue date Nov 6, 1979
- Span Instruments, Inc.
- Tommy L. Gray
- G01 - MEASURING TESTING
Information Patent Grant
Dry pressure gauge with dampened needle movement
- Patent number 4,100,812
- Issue date Jul 18, 1978
- Span Instruments
- Tommy L. Gray
- G01 - MEASURING TESTING

Tommy L. Gray

Person

Patents Grantslast 30 patents

Pneumatically controlled spraying system having a diaphragm-operate...

Controlling process gas flow

Regulator flow control

Pressure gauge with fiber optic sensor

Flow responsive transmitter and indicator

Pressure responsive encoder

Flow responsive transmitter and indicator

Pressure monitoring apparatus having a Hall-effect detector

Condition responsive apparatus

Regulator/valve controller

Sensor with adjustable pressure responsive detection and control

Pressure instrument compensating bladder

Sensor with adjustable pressure responsive detection and control

Dry pressure gauge with dampened needle movement