Timothy S. Steffenhagen

Person

Fort Worth, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Chain wear sensor
- Patent number 12,018,994
- Issue date Jun 25, 2024
- NOV INTERVENTION AND STIMULATION EQUIPMENT US, LLC
- Timothy Scott Steffenhagen
- G08 - SIGNALLING
Information Patent Grant
Injector remote tubing guide alignment device
- Patent number 11,608,695
- Issue date Mar 21, 2023
- NOV INTERVENTION AND STIMULATION EQUIPMENT US, LLC
- Timothy Scott Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing injector with gripper shoe carrier position monitor
- Patent number 11,359,446
- Issue date Jun 14, 2022
- NOV INTERVENTION AND STIMULATION EQUIPMENT US, LLC
- Timothy Scott Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Snubbing jack capable of reacting torque loads
- Patent number 11,142,439
- Issue date Oct 12, 2021
- National-Oilwell Varco, L.P.
- William Benjamin White
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing guide stabilization
- Patent number 10,975,634
- Issue date Apr 13, 2021
- National-Oilwell Varco, L.P.
- Marcus Joseph Doran
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow responsiveness enhancer for a blowout preventer
- Patent number 10,746,205
- Issue date Aug 18, 2020
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Load-measuring hydraulic cylinder
- Patent number 10,352,805
- Issue date Jul 16, 2019
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- G01 - MEASURING TESTING
Information Patent Grant
Coiled tubing injector with hydraulic traction slip mitigation circ...
- Patent number 10,024,123
- Issue date Jul 17, 2018
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing injector with load sensing tubing guide
- Patent number 9,581,009
- Issue date Feb 28, 2017
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing injector with limited slip chains
- Patent number 9,458,682
- Issue date Oct 4, 2016
- National-Oilwell Varco, L.P.
- David W. McCulloch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing injector with limited slip chains
- Patent number 9,151,122
- Issue date Oct 6, 2015
- National-Oilwell Varco, L.P.
- David W. McCulloch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coiled tubing injector with limited slip chains
- Patent number 8,544,536
- Issue date Oct 1, 2013
- National-Oilwell Varco, L.P.
- David W. McCulloch
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CHAIN WEAR SENSOR
- Publication number 20220205867
- Publication date Jun 30, 2022
- NOV INTERVENTION AND STIMULATION EQUIPMENT US, LLC
- Timothy Scott Steffenhagen
- G08 - SIGNALLING
Information Patent Application
COILED TUBING INJECTOR WITH GRIPPER SHOE CARRIER POSITION MONITOR
- Publication number 20210348459
- Publication date Nov 11, 2021
- NOV INTERVENTION AND STIMULATION EQUIPMENT US, LLC
- Timothy Scott Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Application
INJECTOR REMOTE TUBING GUIDE ALIGNMENT DEVICE
- Publication number 20210207445
- Publication date Jul 8, 2021
- NOV INTERVENTION AND STIMULATION EQUIPMENT US, LLC
- Timothy Scott Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Application
SNUBBING JACK CAPABLE OF REACTING TORQUE LOADS
- Publication number 20190345014
- Publication date Nov 14, 2019
- National-Oilwell Varco, L.P.
- William Benjamin White
- B66 - HOISTING LIFTING HAULING
Information Patent Application
TUBING GUIDE STABILIZATION
- Publication number 20190085646
- Publication date Mar 21, 2019
- National-Oilwell Varco, L.P.
- Marcus Joseph Doran
- E21 - EARTH DRILLING MINING
Information Patent Application
Flow Responsiveness Enhancer for a Blowout Preventer
- Publication number 20180223882
- Publication date Aug 9, 2018
- National-Oilwell Varco, L.P.
- Timothy S. STEFFENHAGEN
- E21 - EARTH DRILLING MINING
Information Patent Application
LOAD-MEASURING HYDRAULIC CYLINDER
- Publication number 20180113043
- Publication date Apr 26, 2018
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- G01 - MEASURING TESTING
Information Patent Application
COILED TUBING INJECTOR WITH HYDRAULIC TRACTION SLIP MITIGATION CIRCUIT
- Publication number 20160186509
- Publication date Jun 30, 2016
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- E21 - EARTH DRILLING MINING
Information Patent Application
Coiled Tubing Injector With Limited Slip Chains
- Publication number 20160002987
- Publication date Jan 7, 2016
- National-Oilwell Varco, L.P.
- David W. McCulloch
- E21 - EARTH DRILLING MINING
Information Patent Application
COILED TUBING INJECTOR WITH LOAD SENSING TUBING GUIDE
- Publication number 20150101799
- Publication date Apr 16, 2015
- National-Oilwell Varco, L.P.
- Timothy S. Steffenhagen
- G01 - MEASURING TESTING
Information Patent Application
Coiled Tubing Injector With Limited Slip Chains
- Publication number 20140000865
- Publication date Jan 2, 2014
- National-Oilwell Varco, L.P.
- David W. McCulloch
- E21 - EARTH DRILLING MINING
Information Patent Application
COILED TUBING INJECTOR WITH LIMITED SLIP CHAINS
- Publication number 20120073833
- Publication date Mar 29, 2012
- David W. McCulloch
- E21 - EARTH DRILLING MINING
Information Patent Application
Coiled tubing injector with flow limiter
- Publication number 20030201099
- Publication date Oct 30, 2003
- Varco I/P, Inc.
- Timothy S. Steffenhagen
- E21 - EARTH DRILLING MINING

Timothy S. Steffenhagen

Person

Patents Grantslast 30 patents

Chain wear sensor

Injector remote tubing guide alignment device

Coiled tubing injector with gripper shoe carrier position monitor

Snubbing jack capable of reacting torque loads

Tubing guide stabilization

Flow responsiveness enhancer for a blowout preventer

Load-measuring hydraulic cylinder

Coiled tubing injector with hydraulic traction slip mitigation circ...

Coiled tubing injector with load sensing tubing guide

Coiled tubing injector with limited slip chains

Coiled tubing injector with limited slip chains

Coiled tubing injector with limited slip chains

Patents Applicationslast 30 patents

CHAIN WEAR SENSOR

COILED TUBING INJECTOR WITH GRIPPER SHOE CARRIER POSITION MONITOR

INJECTOR REMOTE TUBING GUIDE ALIGNMENT DEVICE

SNUBBING JACK CAPABLE OF REACTING TORQUE LOADS

TUBING GUIDE STABILIZATION

Flow Responsiveness Enhancer for a Blowout Preventer

LOAD-MEASURING HYDRAULIC CYLINDER

COILED TUBING INJECTOR WITH HYDRAULIC TRACTION SLIP MITIGATION CIRCUIT

Coiled Tubing Injector With Limited Slip Chains

COILED TUBING INJECTOR WITH LOAD SENSING TUBING GUIDE

Coiled Tubing Injector With Limited Slip Chains

COILED TUBING INJECTOR WITH LIMITED SLIP CHAINS

Coiled tubing injector with flow limiter