David A. Churchill

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Leamington Spa, GB

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Patents Grantslast 30 patents

Information Patent Grant
Averaging pitot probe
- Patent number 5,123,288
- Issue date Jun 23, 1992
- British Gas PLC
- Robert B. Tench
- G01 - MEASURING TESTING
Information Patent Grant
Flowmeter
- Patent number 4,911,007
- Issue date Mar 27, 1990
- British Gas PLC
- David A. Churchill
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for the flow control of flue gas to combustion...
- Patent number 4,756,688
- Issue date Jul 12, 1988
- British Gas PLC
- Paul S. Hammond
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Data processing and recording apparatus
- Patent number 4,414,633
- Issue date Nov 8, 1983
- British Gas Corporation
- David A. Churchill
- G01 - MEASURING TESTING