Lehr; Douglas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lehr; Douglas J..The latest application filed is for "slow response time tool".
Company Profile
4.31.31
- Lehr; Douglas J. - The Woodlands TX
- Lehr; Douglas J. - Spring TX US
- Lehr; Douglas J. - Eaton OH
- Lehr; Douglas J. - Woodlands TX
Patent Activity
| Patent | Date |
|---|---|
| Slow response time tool Grant 10,550,666 - Fisher , et al. Fe | 2020-02-04 |
| Slow Response Time Tool App 20190153819 - Fisher; Britain A. ; et al. | 2019-05-23 |
| Expandable junk mill Grant 10,119,350 - Lehr November 6, 2 | 2018-11-06 |
| Devices and methods to communicate information from below a surface cement plug in a plugged or abandoned well Grant 10,100,634 - Ganguly , et al. October 16, 2 | 2018-10-16 |
| High pressure circulating shoe track with redundant pressure isolation feature Grant 9,915,126 - Andrew , et al. March 13, 2 | 2018-03-13 |
| Expandable Junk Mill App 20170342791 - Lehr; Douglas J. | 2017-11-30 |
| Downhole cutting and jacking system Grant 9,650,853 - Lehr May 16, 2 | 2017-05-16 |
| Devices and Methods to Communicate Information from Below a Surface Cement Plug in a Plugged or Abandoned Well App 20170081956 - Ganguly; Partha ; et al. | 2017-03-23 |
| High Pressure Circulating Shoe Track with Redundant Pressure Isolation Feature App 20160362961 - Andrew; Colin P. ; et al. | 2016-12-15 |
| Shear member post shear segment retention apparatus Grant 9,422,966 - Oberg , et al. August 23, 2 | 2016-08-23 |
| Downhole Cutting and Jacking System App 20160215580 - Lehr; Douglas J. | 2016-07-28 |
| One-way flowable anchoring system and method of treating and producing a well Grant 9,284,803 - Stone , et al. March 15, 2 | 2016-03-15 |
| Downhole anchoring systems and methods of using same Grant 9,273,526 - Oberg , et al. March 1, 2 | 2016-03-01 |
| Setting tool, anchoring and sealing device and system Grant 9,080,416 - Xu , et al. July 14, 2 | 2015-07-14 |
| Slip-deployed anti-extrusion backup ring Grant 8,910,722 - Bishop , et al. December 16, 2 | 2014-12-16 |
| Packing element backup system Grant 8,839,874 - Bishop , et al. September 23, 2 | 2014-09-23 |
| Shear Member Post Shear Segment Retention Apparatus App 20140251593 - Oberg; Levi B. ; et al. | 2014-09-11 |
| Downhole Anchoring Systems And Methods Of Using Same App 20140196889 - Oberg; Levi B. ; et al. | 2014-07-17 |
| Retention structure for heat generating component Grant 8,702,052 - Kottmyer , et al. April 22, 2 | 2014-04-22 |
| Setting Tool, Anchoring And Sealing Device And System App 20140041857 - Xu; YingQing ; et al. | 2014-02-13 |
| Retention Structure For Heat Generating Component App 20140008504 - Kottmyer; Daniel L. ; et al. | 2014-01-09 |
| Packing Element Backup System App 20130306331 - BISHOP; DAVID S. ; et al. | 2013-11-21 |
| Slip-Deployed Anti-Extrusion Backup Ring App 20130306330 - Bishop; David S. ; et al. | 2013-11-21 |
| One-way Flowable Anchoring System And Method Of Treating And Producing A Well App 20130206409 - Stone; Patrick C. ; et al. | 2013-08-15 |
| Deep water hurricane valve Grant 7,854,268 - Lehr , et al. December 21, 2 | 2010-12-21 |
| Drillable bridge plug Grant 7,600,572 - Slup , et al. October 13, 2 | 2009-10-13 |
| Deep water hurricane valve App 20090020295 - Lehr; Douglas J. ; et al. | 2009-01-22 |
| Self centralizing non-rotational slip and cone system for downhole tools Grant 7,475,736 - Lehr , et al. January 13, 2 | 2009-01-13 |
| Annular fracturing combo service tool App 20080066917 - Lehr; Douglas J. ; et al. | 2008-03-20 |
| Annular fracturing service tool system App 20080006407 - Lehr; Douglas J. ; et al. | 2008-01-10 |
| Encapsulated back-up system for use with seal system App 20070290454 - Garrison; Hubert F. ; et al. | 2007-12-20 |
| Drillable bridge plug Grant 7,255,178 - Slup , et al. August 14, 2 | 2007-08-14 |
| Deformable release device for use with downhole tools App 20070151722 - Lehr; Douglas J. ; et al. | 2007-07-05 |
| Drillable bridge plug App 20070119600 - Slup; Gabriel ; et al. | 2007-05-31 |
| Self centralizing non-rotational slip and cone system for downhole tools App 20070102165 - Slup; Gabriel A. ; et al. | 2007-05-10 |
| Gravity valve for a downhole tool Grant 7,163,066 - Lehr January 16, 2 | 2007-01-16 |
| Encapsulated back-up system for use with seal system App 20060232019 - Garrison; Hubert F. ; et al. | 2006-10-19 |
| Gravity valve for a downhole tool App 20050257936 - Lehr, Douglas J. | 2005-11-24 |
| Drillable bridge plug Grant 6,708,770 - Slup , et al. March 23, 2 | 2004-03-23 |
| Drillable bridge plug Grant 6,708,768 - Slup , et al. March 23, 2 | 2004-03-23 |
| Drillable bridge plug App 20040045723 - Slup, Gabriel ; et al. | 2004-03-11 |
| Drillable bridge plug Grant 6,578,633 - Slup , et al. June 17, 2 | 2003-06-17 |
| Drillable bridge plug App 20020189820 - Slup, Gabriel ; et al. | 2002-12-19 |
| Drillable bridge plug App 20020189822 - Slup, Gabriel ; et al. | 2002-12-19 |
| Drillable bridge plug Grant 6,491,108 - Slup , et al. December 10, 2 | 2002-12-10 |
| Drillable bridge plug App 20020029880 - Slup, Gabriel ; et al. | 2002-03-14 |
| Multi-zone isolation tool and method of stimulating and testing a subterranean well Grant 6,315,041 - Carlisle , et al. November 13, 2 | 2001-11-13 |
| Apparatus and method for stimulating multiple production zones in a wellbore Grant 6,006,838 - Whiteley , et al. December 28, 1 | 1999-12-28 |
| Through tubing gravel pack system and method of gravel packing Grant 5,931,229 - Lehr , et al. August 3, 1 | 1999-08-03 |
| Method and apparatus for communicating coded messages in a wellbore Grant 5,579,283 - Owens , et al. November 26, 1 | 1996-11-26 |
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