Geurt J. Ruumpol

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Wilp, NL

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Patents Grantslast 30 patents

Information Patent Grant
Contactless electric control-handle
- Patent number 4,642,595
- Issue date Feb 10, 1987
- Inductive Control Systems B.V.
- Geurt J. Ruumpol
- G01 - MEASURING TESTING
Information Patent Grant
Contactless, electric control-handle
- Patent number 4,434,412
- Issue date Feb 28, 1984
- Inductive Control Systems B.V.
- Geurt J. Ruumpol
- G05 - CONTROLLING REGULATING
Information Patent Grant
Device for regulating the current in a load
- Patent number 3,952,240
- Issue date Apr 20, 1976
- Veco Zeefplatenfabriek B.V.
- Geurt J. Ruumpol
- G05 - CONTROLLING REGULATING