Inventor
RANKIN WILLIAM J
US14 patents
⚠️ This page may combine multiple inventors who share the name “RANKIN WILLIAM J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDW DELAWARE INC
4 patentsUS4984322AJan 15, 1991
Elastomeric disc for use on a pipeline pig
TDW DELAWARE INC27 citations90
US4825498AMay 2, 1989
Cleaning pig with selectable debris flushing action
TDW DELAWARE INC21 citations81
US8378667B2Feb 19, 2013
System and method for detecting the passage of an object in pipeline including shielded magnetometer and a microcontroller with adaptive thresholding detection means
TDW DELAWARE INC4 citations56
US9505040B2Nov 29, 2016
Pipeline debris shearing device
TDW DELAWARE INC0 citations49