Krueger, IV; Rudolph Ernst
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krueger, IV; Rudolph Ernst.The latest application filed is for "downhole active torque control method".
- Krueger, IV; Rudolph Ernst - Cypress TX
- Krueger, IV; Rudolph Ernst - Houston TX
| Patent | Date |
|---|---|
| Downhole Active Torque Control Method App 20210198997 - Moore; Norman Bruce ; et al. | 2021-07-01 |
| Anti-stall tool for downhole drilling assemblies Grant 8,439,129 - Mock , et al. May 14, 2 | 2013-05-14 |
| Anti-stall Tool For Downhole Drilling Assemblies App 20120145455 - Mock; Philip Wayne ; et al. | 2012-06-14 |
| Anti-stall tool for downhole drilling assemblies Grant 8,146,680 - Mock , et al. April 3, 2 | 2012-04-03 |
| Rotating drill pipe protector attachment and fastener assembly Grant 7,938,202 - Mitchell , et al. May 10, 2 | 2011-05-10 |
| Spring-operated anti-stall tool Grant 7,854,275 - Mock , et al. December 21, 2 | 2010-12-21 |
| Rotating Drill Pipe Protector Attachment And Fastener Assembly App 20090266618 - Mitchell; Sarah B. ; et al. | 2009-10-29 |
| Anti-stall Tool For Downhole Drilling Assemblies App 20090173540 - Mock; Philip Wayne ; et al. | 2009-07-09 |
| Spring-operated Anti-stall Tool App 20090173539 - Mock; Philip Wayne ; et al. | 2009-07-09 |
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