Paul Koeller

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Dorval, CA

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic turbo machine wicket gate seals
- Patent number 4,203,703
- Issue date May 20, 1980
- Dominion Engineering Works Limited
- Paul Koeller
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Draft tube venting arrangement
- Patent number 4,146,351
- Issue date Mar 27, 1979
- Dominion Engineering Works Limited
- Paul Koeller
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Draft tube aeration with check valves
- Patent number 4,142,826
- Issue date Mar 6, 1979
- Dominion Engineering Works Limited
- Paul Koeller
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Draft tube aeration with eductor
- Patent number 4,142,825
- Issue date Mar 6, 1979
- Dominion Engineering Works Limited
- Paul Koeller
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Distributor for turbo hydraulic machines
- Patent number 4,089,617
- Issue date May 16, 1978
- Dominion Engineering Works Limited
- Paul Koeller
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...