|
| US4977958 | 21. Juni 1990 | 18. Dez. 1990 | | Downhole pump filter |
| US6684945 | 20. Febr. 2002 | 3. Febr. 2004 | In-Well Technologies, Inc. | Air filter for a well |
| US7013924 | 17. Nov. 2004 | 21. März 2006 | In-Well Technologies Inc. | Fluid pressure system including free floating bladder |
| US7093651 | 27. Juni 2005 | 22. Aug. 2006 | In-Well Technologies, Inc. | Water pressure system with pressure tank installed within well casing of well |
| US7255133 | 20. März 2006 | 14. Aug. 2007 | In-Well Technologies, Inc. | Fluid pressure system including free floating bladder |
| US7258166 | 1. Dez. 2004 | 21. Aug. 2007 | Absolute Energy Ltd. | Wellbore screen |
| US7581586 | 15. Aug. 2007 | 1. Sept. 2009 | Absolute Completion Technologies Ltd. | Wellbore screen |
| US7861787 | 8. Sept. 2008 | 4. Jan. 2011 | Absolute Completion Technologies Ltd. | Wellbore fluid treatment tubular and method |
| USRE41507 | 2. Febr. 2006 | 17. Aug. 2010 | In-Well Technologies, Inc. | Air filter for a well |
