Inventor
WELLS LAWRENCE E
US15 patents
⚠️ This page may combine multiple inventors who share the name “WELLS LAWRENCE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
6 patentsUS7665530B2Feb 23, 2010
Tubular grippers and top drive systems
NAT OILWELL VARCO LP44 citations91
US7748473B2Jul 6, 2010
Top drives with shaft multi-seal
NAT OILWELL VARCO LP26 citations88
US7784565B2Aug 31, 2010
Top drive systems with main shaft deflecting sensing
NAT OILWELL VARCO LP5 citations54
US9249902B2Feb 2, 2016
Sealing system
NAT OILWELL VARCO LP2 citations50
US10081110B2Sep 25, 2018
Self-aligning pipe gripping assembly and method of making and using the same
NAT OILWELL VARCO LP0 citations47
US9452535B2Sep 27, 2016
Self-aligning pipe gripping assembly and method of making and using the same
NAT OILWELL VARCO LP0 citations47
VARCO INT
6 patentsUSD572119SJul 1, 2008
Support bail
VARCO INT16 citations79
US4425827AJan 17, 1984
Suspension of pipe spinner
VARCO INT10 citations73
US4478111AOct 23, 1984
Suspension of adjustable pipe spinner
VARCO INT7 citations67
US7735565B2Jun 15, 2010
Dual-saddle ear support apparatus
VARCO INT5 citations62
US7784834B2Aug 31, 2010
Clamp apparatus for threadedly connected tubulars
VARCO INT4 citations59
US7784535B2Aug 31, 2010
Top drive systems with reverse bend bails
VARCO INT3 citations58