Inventor
DELANGE RICHARD W
US25 patents
⚠️ This page may combine multiple inventors who share the name “DELANGE RICHARD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRANT PRIDECO LP
10 patentsUS6863313B1Mar 8, 2005
Threaded connection for internally clad pipe
GRANT PRIDECO LP57 citations96
US6550821B2Apr 22, 2003
Threaded connection
GRANT PRIDECO LP116 citations96
US6273474B1Aug 14, 2001
Threaded connection for internally clad pipe
GRANT PRIDECO LP48 citations96
US6609735B1Aug 26, 2003
Threaded and coupled connection for improved fatigue resistance
GRANT PRIDECO LP69 citations95
US7086669B2Aug 8, 2006
Method and apparatus for sealing radially expanded joints
GRANT PRIDECO LP29 citations90
US6406070B1Jun 18, 2002
Casing drilling connector with low stress flex groove
GRANT PRIDECO LP26 citations90
US6905149B2Jun 14, 2005
Pressure relieved thread connection
GRANT PRIDECO LP26 citations89
US6811189B1Nov 2, 2004
Corrosion seal for threaded connections
GRANT PRIDECO LP54 citations89
US6581980B1Jun 24, 2003
Threaded connection with high compressive rating
GRANT PRIDECO LP66 citations89
US7350830B1Apr 1, 2008
Pressure relieved thread connection
GRANT PRIDECO LP12 citations80
WEATHERFORD TECH HOLDINGS LLC
4 patentsUS9657555B2May 23, 2017
Couplings for expandable tubular
WEATHERFORD TECH HOLDINGS LLC3 citations71
US11434729B2Sep 6, 2022
Expandable liner
WEATHERFORD TECH HOLDINGS LLC0 citations60
US10156128B2Dec 18, 2018
Couplings for expandable tubular
WEATHERFORD TECH HOLDINGS LLC0 citations50
US10865625B2Dec 15, 2020
Expandable liner
WEATHERFORD TECH HOLDINGS LLC0 citations47