Schaaf; Stuart
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schaaf; Stuart.The latest application filed is for "drilling system, biasing mechanism and method for directionally drilling a borehole".
- Schaaf; Stuart - Sugar Land TX
- Schaaf; Stuart - Houston TX US
| Patent | Date |
|---|---|
| Drilling system, biasing mechanism and method for directionally drilling a borehole Grant 10,895,113 - Schaaf , et al. January 19, 2 | 2021-01-19 |
| Drilling System, Biasing Mechanism And Method For Directionally Drilling A Borehole App 20190257155 - Schaaf; Stuart ; et al. | 2019-08-22 |
| Drilling system, biasing mechanism and method for directionally drilling a borehole Grant 10,301,877 - Schaaf , et al. | 2019-05-28 |
| Drilling System, Biasing Mechanism And Method For Directionally Drilling A Borehole App 20170089142 - Schaaf; Stuart ; et al. | 2017-03-30 |
| Drilling system, biasing mechanism and method for directionally drilling a borehole Grant 9,556,678 - Schaaf , et al. January 31, 2 | 2017-01-31 |
| Power split device and method Grant 8,639,423 - Schaaf , et al. January 28, 2 | 2014-01-28 |
| Drilling System, Biasing Mechanism And Method For Directionally Drilling A Borehole App 20130319764 - Schaaf; Stuart ; et al. | 2013-12-05 |
| Power Split Device And Method App 20100286876 - Schaaf; Stuart ; et al. | 2010-11-11 |
| Systems and methods for directionally drilling a borehole using a continuously variable transmission Grant 7,234,543 - Schaaf June 26, 2 | 2007-06-26 |
| Directional casing drilling Grant 7,004,263 - Moriarty , et al. February 28, 2 | 2006-02-28 |
| Drilling tool with non-rotating sleeve Grant 6,840,336 - Schaaf , et al. January 11, 2 | 2005-01-11 |
| Systems and methods for performing mud pulse telemetry using a continuously variable transmission App 20050000733 - Schaaf, Stuart | 2005-01-06 |
| Rotary steerable drilling tool Grant 6,837,315 - Pisoni , et al. January 4, 2 | 2005-01-04 |
| Systems and methods for directionally drilling a borehole using a continuously variable transmission App 20040262044 - Schaaf, Stuart | 2004-12-30 |
| [directional Casing Drilling] App 20040104051 - Moriarty, Keith A. ; et al. | 2004-06-03 |
| Annular pack Grant 6,610,441 - Hensley , et al. August 26, 2 | 2003-08-26 |
| Annular pack having mutually engageable annular segments Grant 6,547,010 - Hensley , et al. April 15, 2 | 2003-04-15 |
| Drilling tool with non-rotating sleeve App 20020179336 - Schaaf, Stuart ; et al. | 2002-12-05 |
| Rotary steerable drilling tool App 20020175003 - Pisoni, Attilio C. ; et al. | 2002-11-28 |
| Annular pack App 20020012837 - Hensley, Donald E. ; et al. | 2002-01-31 |
| Annular pack App 20010049049 - Hensley, Donald E. ; et al. | 2001-12-06 |
| Annular pack Grant 6,280,874 - Hensley , et al. August 28, 2 | 2001-08-28 |
| Apparatus and system for making at-bit measurements while drilling Grant 6,057,784 - Schaaf , et al. May 2, 2 | 2000-05-02 |
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