Klaas Wijma

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Haarlem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Tool and tool holder for a dredger
- Patent number 9,657,462
- Issue date May 23, 2017
- Combi Wear Parts AB
- Per Quarfordt
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cutter head for dredging ground and use of this cutter head for dre...
- Patent number 8,732,991
- Issue date May 27, 2014
- Dredging International N.V.
- Stijn Claessens
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth system
- Patent number 7,971,375
- Issue date Jul 5, 2011
- Combi Wear Parts AB
- Adnan Gabela
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Self-sharpening, auto-signalling wearing part
- Patent number 7,930,844
- Issue date Apr 26, 2011
- Combi Wear Parts AB
- Per Quarfordt
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cutter head and suction dredger
- Patent number 7,739,812
- Issue date Jun 22, 2010
- Vosta LMG B.V
- Klaas Geert Wijma
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tooth system
- Patent number 7,694,443
- Issue date Apr 13, 2010
- Combi Wear Parts AB
- Adnan Gabela
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
WEARING-PART SYSTEM
- Publication number 20200181887
- Publication date Jun 11, 2020
- COMBI WEAR PARTS AB
- Per Quarfordt
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
TOOL AND TOOL HOLDER FOR A DREDGER
- Publication number 20150159350
- Publication date Jun 11, 2015
- Combi Wear Parts AB
- Per Quarfordt
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SELF-SHARPENING, AUTO-SIGNALLING WEARING PART
- Publication number 20100251580
- Publication date Oct 7, 2010
- Combi Wear Parts AB
- Per Quarfordt
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Tooth System
- Publication number 20100170120
- Publication date Jul 8, 2010
- Combi Wear Parts AB
- Adnan Gabela
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Cutter Head and Suction Dredger
- Publication number 20090133295
- Publication date May 28, 2009
- Vosta LMG B.V.
- Klaas Geert Wijma
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Tooth System
- Publication number 20070245602
- Publication date Oct 25, 2007
- Combi Wear Parts AB
- Adnan Gabela
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING