Jan Asselbergs

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Krimpen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Digging wheel for a suction dredger vessel
- Patent number RE32382
- Issue date Mar 31, 1987
- IHC Holland N.V.
- Johannes van den Elshout
- 037 - Excavating
Information Patent Grant
Digging wheel for a suction dredger vessel
- Patent number 4,302,893
- Issue date Dec 1, 1981
- IHC Holland N.V.
- Johannes van den Elshout
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING