Heinrichs; Albrecht
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heinrichs; Albrecht.The latest application filed is for "top drive for a drill string".
- Heinrichs; Albrecht - Erkelenz DE
- Heinrichs; Albrecht - Ratingen DE
| Patent | Date |
|---|---|
| Top drive for a drill string Grant 10,221,626 - Heinrichs , et al. | 2019-03-05 |
| Drawworks Grant 9,949,680 - Heinrichs April 24, 2 | 2018-04-24 |
| Hoist Grant 9,540,219 - Heinrichs January 10, 2 | 2017-01-10 |
| Top Drive For A Drill String App 20160290045 - HEINRICHS; ALBRECHT ; et al. | 2016-10-06 |
| Drawworks App 20150097149 - Heinrichs; Albrecht | 2015-04-09 |
| Pump System App 20150078931 - Heinrichs; Albrecht | 2015-03-19 |
| Pump system Grant 8,920,146 - Heinrichs December 30, 2 | 2014-12-30 |
| Hoist App 20140166952 - Heinrichs; Albrecht | 2014-06-19 |
| Pump System App 20120244020 - HEINRICHS; ALBRECHT | 2012-09-27 |
| Pumping system Grant 8,186,977 - Heinrichs May 29, 2 | 2012-05-29 |
| Pumping System App 20090038852 - Heinrichs; Albrecht | 2009-02-12 |
| Draw works Grant 7,232,113 - Heinrichs , et al. June 19, 2 | 2007-06-19 |
| Draw works App 20050133773 - Heinrichs, Peter ; et al. | 2005-06-23 |
| Hoisting gear Grant 6,793,203 - Heinrichs , et al. September 21, 2 | 2004-09-21 |
| Hoisting gear App 20030111653 - Heinrichs, Peter ; et al. | 2003-06-19 |
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