Drzewiecki; Lopek
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drzewiecki; Lopek.The latest application filed is for "simultaneous clamp and torque drive".
- Drzewiecki; Lopek - Edmonton CA
| Patent | Date |
|---|---|
| Simultaneous clamp and torque drive Grant 9,428,972 - Rosano , et al. August 30, 2 | 2016-08-30 |
| Simultaneous Clamp and Torque Drive App 20140345426 - Rosano; Hugo Leonardo ; et al. | 2014-11-27 |
| Wellsite Communication System and Method App 20130199845 - Zaleski, JR.; Theodore E. ; et al. | 2013-08-08 |
| Apparatus and methods for spinning a pipe Grant 8,161,846 - Drzewiecki April 24, 2 | 2012-04-24 |
| Apparatus and Methods for Spinning a Pipe App 20090301262 - Drzewiecki; Lopek | 2009-12-10 |
| Pipe elevator with rotating door Grant 7,594,683 - Drzewiecki September 29, 2 | 2009-09-29 |
| Cylinder liner preload system Grant 7,523,694 - Aday , et al. April 28, 2 | 2009-04-28 |
| Pipe Elevator With Rotating Door App 20060231344 - Drzewiecki; Lopek | 2006-10-19 |
| Power tong assembly Grant 7,121,166 - Drzewiecki October 17, 2 | 2006-10-17 |
| Pipe centering device Grant 7,111,676 - Drzewiecki September 26, 2 | 2006-09-26 |
| Cylinder liner preload system App 20060123616 - Aday; James C. ; et al. | 2006-06-15 |
| Power tong assembly App 20050241441 - Drzewiecki, Lopek | 2005-11-03 |
| Pipe centering device App 20050217863 - Drzewiecki, Lopek | 2005-10-06 |
| Pipe spinner Grant 6,910,402 - Drzewiecki June 28, 2 | 2005-06-28 |
| Pipe spinner App 20050034565 - Drzewiecki, Lopek | 2005-02-17 |
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