Inventor
VAN DER STEEN JOHAN
NL5 patents
⚠️ This page may combine multiple inventors who share the name “VAN DER STEEN JOHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
4 patentsUS5902985AMay 11, 1999
Providing service to a vehicle
SHELL OIL CO39 citations85
US6570379B2May 27, 2003
Method for inspecting an object of electrically conducting material
SHELL OIL CO14 citations80
US6538435B2Mar 25, 2003
Method for detecting an anomaly in an object of electrically conductive material along first and second direction at inspection points
SHELL OIL CO13 citations80
US6593737B2Jul 15, 2003
Method for measuring the wall thickness of an electrically conductive object
SHELL OIL CO14 citations77