Otto V. Long

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Low-pollution high-power external combustion engine
- Patent number 5,549,032
- Issue date Aug 27, 1996
- Otto V. Long
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for field burning and fog or smog control
- Patent number 3,974,756
- Issue date Aug 17, 1976
- Otto V. Long
- E04 - BUILDING
Information Patent Grant
Uniflow-type external combustion engine featuring double expansion...
- Patent number 3,970,055
- Issue date Jul 20, 1976
- Otto V. Long
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS