Leo G. Collins

Person

Lewisville, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Downhole tool actuator with viscous fluid clearance paths
- Patent number 11,753,905
- Issue date Sep 12, 2023
- Halliburton Energy Services, Inc.
- Ross Glen Dusterhoft
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable torque flapper valve
- Patent number 11,274,523
- Issue date Mar 15, 2022
- Halliburton Energy Services, Inc.
- Abram Serda Galindo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flapper valve with beam spring
- Patent number 11,208,870
- Issue date Dec 28, 2021
- Halliburton Energy Services, Inc.
- Abram Serda Galindo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Damaged seal bore repair device
- Patent number 10,544,639
- Issue date Jan 28, 2020
- Halliburton Energy Services, Inc.
- Ramya Sethurathinam
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electromagnetic jarring tool
- Patent number 10,273,773
- Issue date Apr 30, 2019
- Halliburton Energy Services, Inc.
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve system for cable deployed electric submersible pump
- Patent number 9,587,462
- Issue date Mar 7, 2017
- Halliburton Energy Services, Inc.
- Frank Giusti
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve with independent flow tube
- Patent number 9,528,344
- Issue date Dec 27, 2016
- Halliburton Energy Services, Inc.
- James Dan Vick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole circulating valve having a metal-to-metal seal and method...
- Patent number 9,388,663
- Issue date Jul 12, 2016
- Halliburton Energy Services, Inc.
- Jimmie Robert Williamson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole circulating valve having a metal-to-metal seal
- Patent number 8,763,707
- Issue date Jul 1, 2014
- Halliburton Energy Services, Inc.
- Jimmie Robert Williamson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve having mono spring closure mechanism
- Patent number 8,342,247
- Issue date Jan 1, 2013
- Halliburton Energy Services, Inc.
- James D. Vick, Jr.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Safety valve having extension spring closure mechanism
- Patent number 7,021,386
- Issue date Apr 4, 2006
- Halliburton Energy Services, Inc.
- James D. Vick, Jr.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic control system for downhole tools
- Patent number 6,668,936
- Issue date Dec 30, 2003
- Halliburton Energy Services, Inc.
- Jimmie R. Williamson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Locating and locking mandrel for flow control device
- Patent number 6,283,218
- Issue date Sep 4, 2001
- Halliburton Energy Services, Inc.
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow control device retrieval tool and method
- Patent number 6,230,797
- Issue date May 15, 2001
- Halliburton Energy Services, Inc.
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Linear indexing apparatus and methods of using same
- Patent number 6,119,783
- Issue date Sep 19, 2000
- Halliburton Energy Services, Inc.
- Charles D. Parker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mechanically energized element
- Patent number 5,904,354
- Issue date May 18, 1999
- Halliburton Energy Services, Inc.
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Linear indexing apparatus and methods of using same
- Patent number 5,826,661
- Issue date Oct 27, 1998
- Halliburton Energy Services, Inc.
- Charles D. Parker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Connector assembly for connecting two cylindrical members
- Patent number 5,407,292
- Issue date Apr 18, 1995
- Halliburton Company
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well tool system and method for use in a well conduit
- Patent number 5,398,764
- Issue date Mar 21, 1995
- Halliburton Company
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shifting tool for sliding sleeve valves
- Patent number 5,305,833
- Issue date Apr 26, 1994
- Halliburton Company
- Leo G. Collins
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Downhole Tool Actuator With Viscous Fluid Clearance Paths
- Publication number 20220307348
- Publication date Sep 29, 2022
- Halliburton Energy Services, Inc.
- Ross Glen Dusterhoft
- E21 - EARTH DRILLING MINING
Information Patent Application
FLAPPER VALVE WITH BEAM SPRING
- Publication number 20210180431
- Publication date Jun 17, 2021
- Halliburton Energy Services, Inc.
- Abram Serda Galindo
- E21 - EARTH DRILLING MINING
Information Patent Application
VARIABLE TORQUE FLAPPER VALVE
- Publication number 20210156226
- Publication date May 27, 2021
- Halliburton Energy Services, Inc.
- Abram Serda Galindo
- E21 - EARTH DRILLING MINING
Information Patent Application
DAMAGED SEAL BORE REPAIR DEVICE
- Publication number 20170247966
- Publication date Aug 31, 2017
- Halliburton Energy Services, Inc.
- Ramya Sethurathinam
- E21 - EARTH DRILLING MINING
Information Patent Application
Electromagnetic Jarring Tool
- Publication number 20170016300
- Publication date Jan 19, 2017
- Halliburton Energy Services, Inc.
- Leo G. Collins
- E21 - EARTH DRILLING MINING
Information Patent Application
WAVE SPRING FLAPPER CLOSURE MECHANISM
- Publication number 20160222757
- Publication date Aug 4, 2016
- Halliburton Energy Services, Inc.
- Jeremy P. BRIMER
- E21 - EARTH DRILLING MINING
Information Patent Application
Safety Valve System for Cable Deployed Electric Submersible Pump
- Publication number 20140096978
- Publication date Apr 10, 2014
- Halliburton Energy Services, Inc.
- Frank Giusti
- E21 - EARTH DRILLING MINING
Information Patent Application
Safety Valve By-Pass System for Cable-Deployed Electric Submersible...
- Publication number 20140083712
- Publication date Mar 27, 2014
- Halliburton Energy Services, Inc.
- James D. Vick
- E21 - EARTH DRILLING MINING
Information Patent Application
Safety Valve With Independent Flow Tube
- Publication number 20140000870
- Publication date Jan 2, 2014
- Halliburton Energy Services, Inc.
- James Dan Vick
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Circulating Valve Having a Metal-To-Metal Seal
- Publication number 20130255934
- Publication date Oct 3, 2013
- Halliburton Energy Services, Inc.
- Jimmie Robert Williamson
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Circulating Valve Having a Metal-To-Metal Seal and Method...
- Publication number 20130255962
- Publication date Oct 3, 2013
- Halliburton Energy Services, Inc.
- Jimmie Robert Williamson
- E21 - EARTH DRILLING MINING
Information Patent Application
Safety valve having mono spring closure mechanism
- Publication number 20070246218
- Publication date Oct 25, 2007
- James D. Vick
- E21 - EARTH DRILLING MINING
Information Patent Application
Safety valve having extension spring closure mechanism
- Publication number 20050039922
- Publication date Feb 24, 2005
- James D. Vick
- E21 - EARTH DRILLING MINING
Information Patent Application
Hydraulic control system for downhole tools
- Publication number 20020027003
- Publication date Mar 7, 2002
- Jimmie R. Williamson
- E21 - EARTH DRILLING MINING

Leo G. Collins

Person

Patents Grantslast 30 patents

Downhole tool actuator with viscous fluid clearance paths

Variable torque flapper valve

Flapper valve with beam spring

Damaged seal bore repair device

Electromagnetic jarring tool

Safety valve system for cable deployed electric submersible pump

Safety valve with independent flow tube

Downhole circulating valve having a metal-to-metal seal and method...

Downhole circulating valve having a metal-to-metal seal

Safety valve having mono spring closure mechanism

Safety valve having extension spring closure mechanism

Hydraulic control system for downhole tools

Locating and locking mandrel for flow control device

Flow control device retrieval tool and method

Linear indexing apparatus and methods of using same

Mechanically energized element

Linear indexing apparatus and methods of using same

Connector assembly for connecting two cylindrical members

Well tool system and method for use in a well conduit

Shifting tool for sliding sleeve valves

Patents Applicationslast 30 patents

Downhole Tool Actuator With Viscous Fluid Clearance Paths

FLAPPER VALVE WITH BEAM SPRING

VARIABLE TORQUE FLAPPER VALVE

DAMAGED SEAL BORE REPAIR DEVICE

Electromagnetic Jarring Tool

WAVE SPRING FLAPPER CLOSURE MECHANISM

Safety Valve System for Cable Deployed Electric Submersible Pump

Safety Valve By-Pass System for Cable-Deployed Electric Submersible...

Safety Valve With Independent Flow Tube

Downhole Circulating Valve Having a Metal-To-Metal Seal

Downhole Circulating Valve Having a Metal-To-Metal Seal and Method...

Safety valve having mono spring closure mechanism

Safety valve having extension spring closure mechanism

Hydraulic control system for downhole tools