having both the movement defined in groups F04C18/22 and F04C18/24

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Patents Grantslast 30 patents

Information Patent Grant
3417915
- Patent number 3,417,915
- Issue date Dec 24, 1968
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
2776086
- Patent number 2,776,086
- Issue date Jan 1, 1957
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
2698130
- Patent number 2,698,130
- Issue date Dec 28, 1954
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
2665057
- Patent number 2,665,057
- Issue date Jan 5, 1954
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
1751843
- Patent number 1,751,843
- Issue date Mar 25, 1930
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
1648092
- Patent number 1,648,092
- Issue date Nov 8, 1927
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
1629202
- Patent number 1,629,202
- Issue date May 17, 1927
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...