Crawford; Donald L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crawford; Donald L..The latest application filed is for "ambient-activated switch for downhole operations".
- Crawford; Donald L. - Spring TX
- Crawford; Donald L. - Moscow ID
| Patent | Date |
|---|---|
| Ambient-activated switch for downhole operations Grant 9,513,400 - Dorffer , et al. December 6, 2 | 2016-12-06 |
| Ambient-activated Switch For Downhole Operations App 20150101866 - Dorffer; Daniel F. ; et al. | 2015-04-16 |
| Ambient-activated switch for downhole operations Grant 8,944,162 - Dorffer , et al. February 3, 2 | 2015-02-03 |
| Surface safe explosive tool Grant 8,789,467 - Crawford July 29, 2 | 2014-07-29 |
| Surface Safe Explosive Tool App 20130277109 - Crawford; Donald L. | 2013-10-24 |
| Fluid conductivity measurement tool and methods Grant 8,538,701 - Roy , et al. September 17, 2 | 2013-09-17 |
| Actuating downhole devices in a wellbore Grant 8,451,137 - Bonavides , et al. May 28, 2 | 2013-05-28 |
| Actuating downhole devices in a wellbore Grant 8,441,370 - Bonavides , et al. May 14, 2 | 2013-05-14 |
| Actuating Downhole Devices In A Wellbore App 20130010572 - Bonavides; Clovis S. ; et al. | 2013-01-10 |
| Surface Safe Explosive Tool App 20120103223 - Crawford; Donald L. | 2012-05-03 |
| Surface safe explosive tool Grant 8,113,119 - Crawford February 14, 2 | 2012-02-14 |
| Method for selective activation of downhole devices in a tool string Grant 7,980,309 - Crawford July 19, 2 | 2011-07-19 |
| Actuating Downhole Devices in a Wellbore App 20100085210 - Bonavides; Clovis S. ; et al. | 2010-04-08 |
| Ambient-activated Switch For Downhole Operations App 20100059283 - Dorffer; Daniel F. ; et al. | 2010-03-11 |
| Fluid Conductivity Measurement Tool And Methods App 20100063738 - Roy; Sushovon S. ; et al. | 2010-03-11 |
| Surface Safe Explosive Tool App 20100005992 - Crawford; Donald L. | 2010-01-14 |
| System and Method for Selective Activation of Downhole Devices in a Tool String App 20090272529 - Crawford; Donald L. | 2009-11-05 |
| Biological system for degrading nitroaromatics in water and soils Grant 6,348,639 - Crawford , et al. February 19, 2 | 2002-02-19 |
| Biological system for degrading nitroaromatics in water and soils Grant 6,334,954 - Crawford , et al. January 1, 2 | 2002-01-01 |
| Biodegradable azo dyes Grant 5,618,726 - Paszczynski , et al. April 8, 1 | 1997-04-08 |
| Biological system for degrading nitroaromatics in water and soils Grant 5,616,162 - Crawford , et al. April 1, 1 | 1997-04-01 |
| Biological isolates for degrading nitroaromatics and nitramines in water and soils Grant 5,455,173 - Crawford , et al. October 3, 1 | 1995-10-03 |
| Use of Streptomyces WYEC 108 to control plant pathogens Grant 5,403,584 - Crawford , et al. April 4, 1 | 1995-04-04 |
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