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Patents Grantslast 30 patents

Information Patent Grant
Reciprocating rotary engine
- Patent number 4,334,506
- Issue date Jun 15, 1982
- Albert F. Albert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Opposed piston engine
- Patent number 4,030,471
- Issue date Jun 21, 1977
- Frank Ginkel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rotary cam internal combustion radial engine
- Patent number 3,964,450
- Issue date Jun 22, 1976
- John E. Lockshaw
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
3913455
- Patent number 3,913,455
- Issue date Oct 21, 1975
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
3142229
- Patent number 3,142,229
- Issue date Jul 28, 1964
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
3131604
- Patent number 3,131,604
- Issue date May 5, 1964
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
2811143
- Patent number 2,811,143
- Issue date Oct 29, 1957
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
2209655
- Patent number 2,209,655
- Issue date Jul 30, 1940
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES