John A. C. Kentfield

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Reinforced delta-wing blade for wind turbine
- Patent number 4,697,988
- Issue date Oct 6, 1987
- Her Majesty the Queen in right of Canada, as represented by the Minister of E...
- John A. C. Kentfield
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Coupling mechanism for wind turbine
- Patent number 4,576,064
- Issue date Mar 18, 1986
- Her Majesty the Queen in right of the Province of Alberta as represented by t...
- John A. C. Kentfield
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Thrust augmenting fluid rectifier for a pulsed combustor
- Patent number 4,033,120
- Issue date Jul 5, 1977
- Canadian Patents and Development Limited
- John A. C. Kentfield
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS