Onan; David D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Onan; David D..The latest application filed is for "heat insulation compositions and methods".
- Onan; David D. - Duncan OK
- Onan; David D. - Lawton OK
| Patent | Date |
|---|---|
| Heat insulation compositions and methods Grant 6,279,652 - Chatterji , et al. August 28, 2 | 2001-08-28 |
| Well sealing compositions and methods Grant 6,231,664 - Chatterji , et al. May 15, 2 | 2001-05-15 |
| Compositions and methods for sealing pipe in well bores Grant 6,098,711 - Chatterji , et al. August 8, 2 | 2000-08-08 |
| Well sealing compositions and methods Grant 6,068,055 - Chatterji , et al. May 30, 2 | 2000-05-30 |
| Foamed resin compositions for sealing subterranean zones Grant 6,069,117 - Onan , et al. May 30, 2 | 2000-05-30 |
| Methods and compositions for sealing subterranean zones Grant 6,059,036 - Chatterji , et al. May 9, 2 | 2000-05-09 |
| Subterranean zone sealing methods and compositions Grant 6,059,035 - Chatterji , et al. May 9, 2 | 2000-05-09 |
| Apparatus and method for simulating well bore conditions Grant 6,055,874 - Onan , et al. May 2, 2 | 2000-05-02 |
| Remedial well bore sealing methods and compositions Grant 6,012,524 - Chatterji , et al. January 11, 2 | 2000-01-11 |
| Methods of sealing plugs in well bores Grant 6,006,836 - Chatterji , et al. December 28, 1 | 1999-12-28 |
| Methods for sealing subterranean zones using foamed resin Grant 6,006,835 - Onan , et al. December 28, 1 | 1999-12-28 |
| Remedial well bore sealing methods Grant 5,969,006 - Onan , et al. October 19, 1 | 1999-10-19 |
| Method of sealing conduits in lateral well bores Grant 5,957,204 - Chatterji , et al. September 28, 1 | 1999-09-28 |
| Polymeric well completion and remedial compositions and methods Grant 5,945,387 - Chatterji , et al. August 31, 1 | 1999-08-31 |
| Well drilling fluids containing epoxy sealants and methods Grant 5,911,282 - Onan , et al. June 15, 1 | 1999-06-15 |
| Foamed well cement compositions, additives and methods Grant 5,897,699 - Chatterji , et al. April 27, 1 | 1999-04-27 |
| Methods and compositions for sealing pipe strings in well bores Grant 5,875,845 - Chatterji , et al. March 2, 1 | 1999-03-02 |
| Methods of sealing pipe strings in well bores Grant 5,875,844 - Chatterji , et al. March 2, 1 | 1999-03-02 |
| Methods of modifying subterranean strata properties Grant 5,875,846 - Chatterji , et al. March 2, 1 | 1999-03-02 |
| Method, system and device for testing two-phase compressible compositions having gas under pressure Grant 5,869,750 - Onan , et al. February 9, 1 | 1999-02-09 |
| Resilient well cement compositions and methods Grant 5,820,670 - Chatterji , et al. October 13, 1 | 1998-10-13 |
| Resilient well cement compositions and methods Grant 5,795,924 - Chatterji , et al. August 18, 1 | 1998-08-18 |
| Methods of forming insulated pipeline bundles Grant 5,791,380 - Onan , et al. August 11, 1 | 1998-08-11 |
| Well cement compositions containing rubber particles and methods of cementing subterranean zones Grant 5,779,787 - Brothers , et al. July 14, 1 | 1998-07-14 |
| Elastomeric grouting of subsurface conduits Grant 5,738,463 - Onan April 14, 1 | 1998-04-14 |
| Cementitious well drilling fluids and methods Grant 5,711,383 - Terry , et al. January 27, 1 | 1998-01-27 |
| Methods of preventing well cement stress failure Grant 5,696,059 - Onan , et al. December 9, 1 | 1997-12-09 |
| Resilient well cement compositions and methods Grant 5,688,844 - Chatterji , et al. November 18, 1 | 1997-11-18 |
| Combating lost circulation during the drilling of wells Grant 5,501,277 - Onan , et al. March 26, 1 | 1996-03-26 |
| Utilizing drilling fluid in well cementing operations Grant 5,398,758 - Onan , et al. * March 21, 1 | 1995-03-21 |
| Fly ash cementing compositions and methods Grant 5,383,521 - Onan , et al. January 24, 1 | 1995-01-24 |
| Utilizing drilling fluid in well cementing operations Grant 5,355,954 - Onan , et al. October 18, 1 | 1994-10-18 |
| Set-activated cementitious compositions and methods Grant 5,332,041 - Onan , et al. July 26, 1 | 1994-07-26 |
| Utilizing drilling fluid in well cementing operations Grant 5,327,968 - Onan , et al. July 12, 1 | 1994-07-12 |
| Converting drilling fluids to cementitious compositions Grant 5,295,543 - Terry , et al. March 22, 1 | 1994-03-22 |
| Well completion and remedial methods utilizing cement-ladened rubber Grant 5,293,938 - Onan , et al. March 15, 1 | 1994-03-15 |
| Well completion and remedial methods utilizing rubber latex compositions Grant 5,159,980 - Onan , et al. November 3, 1 | 1992-11-03 |
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