Theodorus G. Potma

Person

Kaag, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic switching valve, and a free piston engine provided therewith
- Patent number 5,983,638
- Issue date Nov 16, 1999
- Innas Free Piston B.V.
- Peter Augustinus Johannes Achten
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Free-piston engine
- Patent number 5,829,393
- Issue date Nov 3, 1998
- Innas Free Piston, B.V.
- Peter Augustinus Johannes Achten
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Free-piston engine having a fluid energy unit
- Patent number 5,556,262
- Issue date Sep 17, 1996
- Innas Free Piston B.V.
- Peter A. J. Achten
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for the cold start of a free-piston engine; and free-piston...
- Patent number 5,540,193
- Issue date Jul 30, 1996
- Innas Free Piston B.V.
- Peter A. J. Achten
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Free-piston engine having a slidable ring for moving the piston
- Patent number 5,482,445
- Issue date Jan 9, 1996
- Innas Free Piston B.V.
- Peter A. J. Achten
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Free-piston engine having a fluid pressure unit
- Patent number 5,473,893
- Issue date Dec 12, 1995
- Innas Free Piston B.V.
- Peter A. J. Achten
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Theodorus G. Potma

Person

Patents Grantslast 30 patents

Hydraulic switching valve, and a free piston engine provided therewith

Free-piston engine

Free-piston engine having a fluid energy unit

Method for the cold start of a free-piston engine; and free-piston...

Free-piston engine having a slidable ring for moving the piston

Free-piston engine having a fluid pressure unit