Inventor
STEFFENHAGEN TIMOTHY S
US8 patents
⚠️ This page may combine multiple inventors who share the name “STEFFENHAGEN TIMOTHY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL VARCO LP
7 patentsUS10024123B2Jul 17, 2018
Coiled tubing injector with hydraulic traction slip mitigation circuit and method of use
NAT OILWELL VARCO LP152 citations96
US9581009B2Feb 28, 2017
Coiled tubing injector with load sensing tubing guide
NAT OILWELL VARCO LP3 citations69
US9458682B2Oct 4, 2016
Coiled tubing injector with limited slip chains
NAT OILWELL VARCO LP1 citations61
US10746205B2Aug 18, 2020
Flow responsiveness enhancer for a blowout preventer
NAT OILWELL VARCO LP1 citations60
US11142439B2Oct 12, 2021
Snubbing jack capable of reacting torque loads
NAT OILWELL VARCO LP1 citations53
US9151122B2Oct 6, 2015
Coiled tubing injector with limited slip chains
NAT OILWELL VARCO LP0 citations50
US10352805B2Jul 16, 2019
Load-measuring hydraulic cylinder
NAT OILWELL VARCO LP0 citations47