Douglas J. Lehr

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Slow response time tool
- Patent number 10,550,666
- Issue date Feb 4, 2020
- Baker Hughes, a GE company, LLC
- Britain A. Fisher
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expandable junk mill
- Patent number 10,119,350
- Issue date Nov 6, 2018
- BAKER HUGHES, A GE COMPANY, LLC
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Devices and methods to communicate information from below a surface...
- Patent number 10,100,634
- Issue date Oct 16, 2018
- BAKER HUGHES, A GE COMPANY, LLC
- Partha Ganguly
- E21 - EARTH DRILLING MINING
Information Patent Grant
High pressure circulating shoe track with redundant pressure isolat...
- Patent number 9,915,126
- Issue date Mar 13, 2018
- Baker Hughes, a GE company, LLC
- Colin P. Andrew
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole cutting and jacking system
- Patent number 9,650,853
- Issue date May 16, 2017
- Baker Hughes Incorporated
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shear member post shear segment retention apparatus
- Patent number 9,422,966
- Issue date Aug 23, 2016
- Baker Hughes Incorporated
- Levi B. Oberg
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
One-way flowable anchoring system and method of treating and produc...
- Patent number 9,284,803
- Issue date Mar 15, 2016
- Baker Hughes Incorporated
- Patrick C. Stone
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Downhole tool with remotely actuated drag blocks and methods
- Patent number 9,284,814
- Issue date Mar 15, 2016
- Baker Hughes Incorporated
- Gabriel Antoniu Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole anchoring systems and methods of using same
- Patent number 9,273,526
- Issue date Mar 1, 2016
- Baker Hughes Incorporated
- Levi B. Oberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Setting tool, anchoring and sealing device and system
- Patent number 9,080,416
- Issue date Jul 14, 2015
- Baker Hughes Incorporated
- YingQing Xu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slip-deployed anti-extrusion backup ring
- Patent number 8,910,722
- Issue date Dec 16, 2014
- Baker Hughes Incorporated
- David S. Bishop
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packing element backup system
- Patent number 8,839,874
- Issue date Sep 23, 2014
- Baker Hughes Incorporated
- David S. Bishop
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-purpose fill and circulate well tool
- Patent number 8,714,271
- Issue date May 6, 2014
- Baker Hughes Incorporated
- Douglas Julius Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Deep water hurricane valve
- Patent number 7,854,268
- Issue date Dec 21, 2010
- BJ Services Company LLC
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable bridge plug
- Patent number 7,600,572
- Issue date Oct 13, 2009
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self centralizing non-rotational slip and cone system for downhole...
- Patent number 7,475,736
- Issue date Jan 13, 2009
- BJ Services Company
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable bridge plug
- Patent number 7,255,178
- Issue date Aug 14, 2007
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravity valve for a downhole tool
- Patent number 7,163,066
- Issue date Jan 16, 2007
- BJ Services Company
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable bridge plug
- Patent number 6,708,768
- Issue date Mar 23, 2004
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable bridge plug
- Patent number 6,708,770
- Issue date Mar 23, 2004
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable bridge plug
- Patent number 6,578,633
- Issue date Jun 17, 2003
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drillable bridge plug
- Patent number 6,491,108
- Issue date Dec 10, 2002
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for communicating coded messages in a wellbore
- Patent number 6,414,905
- Issue date Jul 2, 2002
- Baker Hughes Incorporated
- Steve C.. Owens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-zone isolation tool and method of stimulating and testing a s...
- Patent number 6,315,041
- Issue date Nov 13, 2001
- Stephen L. Carlisle
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for stimulating multiple production zones in a...
- Patent number 6,006,838
- Issue date Dec 28, 1999
- BJ Services Company
- T. G. Whiteley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through tubing gravel pack system and method of gravel packing
- Patent number 5,931,229
- Issue date Aug 3, 1999
- BJ Services Company
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for communicating coded messages in a wellbore
- Patent number 5,579,283
- Issue date Nov 26, 1996
- Baker Hughes Incorporated
- Steve C. Owens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subterranean well casing float tool
- Patent number 4,953,622
- Issue date Sep 4, 1990
- Baker Hughes Incorporated
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subterranean well casing float tool
- Patent number 4,872,510
- Issue date Oct 10, 1989
- Baker Hughes Incorporated
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SLOW RESPONSE TIME TOOL
- Publication number 20190153819
- Publication date May 23, 2019
- BAKER HUGHES, A GE COMPANY, LLC
- Britain A. Fisher
- E21 - EARTH DRILLING MINING
Information Patent Application
Expandable Junk Mill
- Publication number 20170342791
- Publication date Nov 30, 2017
- BAKER HUGHES INCORPORATED
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Devices and Methods to Communicate Information from Below a Surface...
- Publication number 20170081956
- Publication date Mar 23, 2017
- BAKER HUGHES INCORPORATED
- Partha Ganguly
- E21 - EARTH DRILLING MINING
Information Patent Application
High Pressure Circulating Shoe Track with Redundant Pressure Isolat...
- Publication number 20160362961
- Publication date Dec 15, 2016
- BAKER HUGHES INCORPORATED
- Colin P. Andrew
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Cutting and Jacking System
- Publication number 20160215580
- Publication date Jul 28, 2016
- BAKER HUGHES INCORPORATED
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Shear Member Post Shear Segment Retention Apparatus
- Publication number 20140251593
- Publication date Sep 11, 2014
- BAKER HUGHES INCORPORATED
- Levi B. Oberg
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL WITH REMOTELY ACTUATED DRAG BLOCKS & METHODS
- Publication number 20140238697
- Publication date Aug 28, 2014
- BAKER HUGHES INCORPORATED
- Gabriel Antoniu Slup
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE ANCHORING SYSTEMS AND METHODS OF USING SAME
- Publication number 20140196889
- Publication date Jul 17, 2014
- BAKER HUGHES INCORPORATED
- Levi B. Oberg
- E21 - EARTH DRILLING MINING
Information Patent Application
SETTING TOOL, ANCHORING AND SEALING DEVICE AND SYSTEM
- Publication number 20140041857
- Publication date Feb 13, 2014
- BAKER HUGHES INCORPORATED
- YingQing Xu
- E21 - EARTH DRILLING MINING
Information Patent Application
Slip-Deployed Anti-Extrusion Backup Ring
- Publication number 20130306330
- Publication date Nov 21, 2013
- BAKER HUGHES INCORPORATED
- David S. Bishop
- E21 - EARTH DRILLING MINING
Information Patent Application
PACKING ELEMENT BACKUP SYSTEM
- Publication number 20130306331
- Publication date Nov 21, 2013
- DAVID S. BISHOP
- E21 - EARTH DRILLING MINING
Information Patent Application
ONE-WAY FLOWABLE ANCHORING SYSTEM AND METHOD OF TREATING AND PRODUC...
- Publication number 20130206409
- Publication date Aug 15, 2013
- BAKER HUGHES INCORPORATED
- Patrick C. Stone
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTI-PURPOSE FILL AND CIRCULATE WELL TOOL
- Publication number 20120073832
- Publication date Mar 29, 2012
- Douglas Julius Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Deep water hurricane valve
- Publication number 20090020295
- Publication date Jan 22, 2009
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Annular fracturing combo service tool
- Publication number 20080066917
- Publication date Mar 20, 2008
- BJ Services Company
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Annular fracturing service tool system
- Publication number 20080006407
- Publication date Jan 10, 2008
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Encapsulated back-up system for use with seal system
- Publication number 20070290454
- Publication date Dec 20, 2007
- BJ Services Company
- Hubert F. Garrison
- E21 - EARTH DRILLING MINING
Information Patent Application
Deformable release device for use with downhole tools
- Publication number 20070151722
- Publication date Jul 5, 2007
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Drillable bridge plug
- Publication number 20070119600
- Publication date May 31, 2007
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Application
Self centralizing non-rotational slip and cone system for downhole...
- Publication number 20070102165
- Publication date May 10, 2007
- BJ Services Company
- Gabriel A. Slup
- E21 - EARTH DRILLING MINING
Information Patent Application
Encapsulated back-up system for use with seal system
- Publication number 20060232019
- Publication date Oct 19, 2006
- Hubert F. Garrison
- E21 - EARTH DRILLING MINING
Information Patent Application
Gravity valve for a downhole tool
- Publication number 20050257936
- Publication date Nov 24, 2005
- BJ Services Company
- Douglas J. Lehr
- E21 - EARTH DRILLING MINING
Information Patent Application
Drillable bridge plug
- Publication number 20040045723
- Publication date Mar 11, 2004
- BJ Services Company
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Application
Drillable bridge plug
- Publication number 20020189822
- Publication date Dec 19, 2002
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Application
Drillable bridge plug
- Publication number 20020189820
- Publication date Dec 19, 2002
- Gabriel Slup
- E21 - EARTH DRILLING MINING
Information Patent Application
Drillable bridge plug
- Publication number 20020029880
- Publication date Mar 14, 2002
- Gabriel Slup
- E21 - EARTH DRILLING MINING

Douglas J. Lehr

Person

Patents Grantslast 30 patents

Slow response time tool

Expandable junk mill

Devices and methods to communicate information from below a surface...

High pressure circulating shoe track with redundant pressure isolat...

Downhole cutting and jacking system

Shear member post shear segment retention apparatus

One-way flowable anchoring system and method of treating and produc...

Downhole tool with remotely actuated drag blocks and methods

Downhole anchoring systems and methods of using same

Setting tool, anchoring and sealing device and system

Slip-deployed anti-extrusion backup ring

Packing element backup system

Multi-purpose fill and circulate well tool

Deep water hurricane valve

Drillable bridge plug

Self centralizing non-rotational slip and cone system for downhole...

Drillable bridge plug

Gravity valve for a downhole tool

Drillable bridge plug

Drillable bridge plug

Drillable bridge plug

Drillable bridge plug

Method and apparatus for communicating coded messages in a wellbore

Multi-zone isolation tool and method of stimulating and testing a s...

Apparatus and method for stimulating multiple production zones in a...

Through tubing gravel pack system and method of gravel packing

Method and apparatus for communicating coded messages in a wellbore

Subterranean well casing float tool

Subterranean well casing float tool

Patents Applicationslast 30 patents

SLOW RESPONSE TIME TOOL

Expandable Junk Mill

Devices and Methods to Communicate Information from Below a Surface...

High Pressure Circulating Shoe Track with Redundant Pressure Isolat...

Downhole Cutting and Jacking System

Shear Member Post Shear Segment Retention Apparatus

DOWNHOLE TOOL WITH REMOTELY ACTUATED DRAG BLOCKS & METHODS

DOWNHOLE ANCHORING SYSTEMS AND METHODS OF USING SAME

SETTING TOOL, ANCHORING AND SEALING DEVICE AND SYSTEM

Slip-Deployed Anti-Extrusion Backup Ring

PACKING ELEMENT BACKUP SYSTEM

ONE-WAY FLOWABLE ANCHORING SYSTEM AND METHOD OF TREATING AND PRODUC...

MULTI-PURPOSE FILL AND CIRCULATE WELL TOOL

Deep water hurricane valve

Annular fracturing combo service tool

Annular fracturing service tool system

Encapsulated back-up system for use with seal system

Deformable release device for use with downhole tools

Drillable bridge plug

Self centralizing non-rotational slip and cone system for downhole...

Encapsulated back-up system for use with seal system

Gravity valve for a downhole tool

Drillable bridge plug

Drillable bridge plug

Drillable bridge plug

Drillable bridge plug