John O. Berntell

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Staffanstorp, SE

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Patents Grantslast 30 patents

Information Patent Grant
Power control system for a hot gas engine
- Patent number 4,612,769
- Issue date Sep 23, 1986
- Mechanical Technology Incorporated
- John O. Berntell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hot gas engine heater head
- Patent number 4,422,291
- Issue date Dec 27, 1983
- Mechanical Technology Incorporated
- John O. Berntell
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hot gas engine heater head
- Patent number 4,395,879
- Issue date Aug 2, 1983
- Kommanditbolaget United Stirling AB & Co.
- John O. Berntell
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Plate heat exchanger
- Patent number 4,396,057
- Issue date Aug 2, 1983
- John O. Berntell
- F28 - HEAT EXCHANGE IN GENERAL