Johan van der Steen

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Inspection of an electrically conductive object using eddy currents
- Patent number 8,390,280
- Issue date Mar 5, 2013
- Shell Oil Company
- Dave Badoux
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring the wall thickness of an electrically conducti...
- Patent number 6,593,737
- Issue date Jul 15, 2003
- Shell Oil Company
- Paulus Carolus Nicolaas Crouzen
- G01 - MEASURING TESTING
Information Patent Grant
Method for inspecting an object of electrically conducting material
- Patent number 6,570,379
- Issue date May 27, 2003
- Shell Oil Company
- Paulus Carolus Nicolaas Crouzen
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting an anomaly in an object of electrically conduc...
- Patent number 6,538,435
- Issue date Mar 25, 2003
- Shell Oil Company
- Paulus Carolus Nicolaas Crouzen
- G01 - MEASURING TESTING
Information Patent Grant
Providing service to a vehicle
- Patent number 5,902,985
- Issue date May 11, 1999
- Shell Oil Company
- Emko Wilhelm Harmannus Maria Bos
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

Patents Applicationslast 30 patents

Information Patent Application
INSPECTION OF AN ELECTRICALLY CONDUCTIVE OBJECT USING EDDY CURRENTS
- Publication number 20090242200
- Publication date Oct 1, 2009
- SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
- Dave Badoux
- E21 - EARTH DRILLING MINING
Information Patent Application
Method for measuring the wall thickness of an electrically conducti...
- Publication number 20020149359
- Publication date Oct 17, 2002
- Paulus Carolus Nicolaas Crouzen
- G01 - MEASURING TESTING