James S. Johnston

Person

West Sussex, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Displacement sensor
- Patent number 5,450,764
- Issue date Sep 19, 1995
- Fisher-Rosemount Ltd.
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Method of decoding a spectrally modulated light signal
- Patent number 5,400,140
- Issue date Mar 21, 1995
- Fisher-Rosemount Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Displacement measurement apparatus with dual wedge interferometers
- Patent number 5,187,546
- Issue date Feb 16, 1993
- Rosemount Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Deployable probe
- Patent number 4,981,038
- Issue date Jan 1, 1991
- Rosemount Limited
- Mark J. Torres
- G01 - MEASURING TESTING
Information Patent Grant
Air data measurement apparatus
- Patent number 4,821,566
- Issue date Apr 18, 1989
- Rosemount Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Optical displacement transducer
- Patent number 4,780,600
- Issue date Oct 25, 1988
- Rosemount Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Light attenuation sensing apparatus for measuring physical paramete...
- Patent number 4,727,247
- Issue date Feb 23, 1988
- Rosemount Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Position measuring apparatus
- Patent number 4,631,519
- Issue date Dec 23, 1986
- Rosemount Engineering Company Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Method of producing a resistance element for a resistance thermometer
- Patent number 4,627,902
- Issue date Dec 9, 1986
- Rosemount Engineering Company Limited
- James S. Johnston
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Differential pressure sensing apparatus
- Patent number 4,499,373
- Issue date Feb 12, 1985
- Rosemount Engineering Company Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Differential pressure measuring apparatus
- Patent number 4,428,239
- Issue date Jan 31, 1984
- Rosemount Engineering Company Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Differential pressure sensing apparatus
- Patent number 4,398,194
- Issue date Aug 9, 1983
- Rosemount Engineering Company Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Solid state sensor element
- Patent number 4,307,373
- Issue date Dec 22, 1981
- Rosemont Engineering Company Limited
- James S. Johnston
- G01 - MEASURING TESTING
Information Patent Grant
Catalytic gas detector
- Patent number 4,164,539
- Issue date Aug 14, 1979
- Rosemount Engineering Company Limited
- James S. Johnston
- G01 - MEASURING TESTING

James S. Johnston

Person

Patents Grantslast 30 patents

Displacement sensor

Method of decoding a spectrally modulated light signal

Displacement measurement apparatus with dual wedge interferometers

Deployable probe

Air data measurement apparatus

Optical displacement transducer

Light attenuation sensing apparatus for measuring physical paramete...

Position measuring apparatus

Method of producing a resistance element for a resistance thermometer

Differential pressure sensing apparatus

Differential pressure measuring apparatus

Differential pressure sensing apparatus

Solid state sensor element

Catalytic gas detector