Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10180949 | Method and apparatus for information searching | Zhen Wang, Na Zhang, Kai Chen, Xi Wang | 2019-01-15 |
| 9983082 | Volute mechanism for blower | Wei Lei, Xiongcheng Wang, Song Jia, Xianjun Liu, Yunyi Luo +1 more | 2018-05-29 |
| 9976397 | Shaped charge system having multi-composition liner | James Guilkey, Lawrence A. Behrmann | 2018-05-22 |
| 9803455 | Constant entrance hole perforating gun system and method | Philip M. Snider, John T. Hardesty, David S. Wesson | 2017-10-31 |
| 9765601 | Constant entrance hole perforating gun system and method | Philip M. Snider, John T. Hardesty, David S. Wesson | 2017-09-19 |
| 9725993 | Constant entrance hole perforating gun system and method | Philip M. Snider, John T. Hardesty, David S. Wesson | 2017-08-08 |
| 9671201 | Dissolvable material application in perforating | Manuel Marya, Lawrence A. Behrmann, Steven W. Henderson, Robert Ference | 2017-06-06 |
| 9383176 | Shaped charge assembly system | Gerardo Arguello, Jason Hoang Mai | 2016-07-05 |
| 9086181 | Connecting structure between volute of blower and conversion interface | Wei Lei, Song Jia, Yunyi Luo, Jianhua ZENG, Xianjun Liu | 2015-07-21 |
| 9080432 | Energetic material applications in shaped charges for perforation operations | Lawrence A. Behrmann | 2015-07-14 |
| 8985024 | Shaped charge liner | James Guilkey | 2015-03-24 |
| 8677903 | Dissolvable material application in perforating | Manuel Marya, Lawrence A. Behrmann, Steven W. Henderson, Robert Ference | 2014-03-25 |
| 8584772 | Shaped charges for creating enhanced perforation tunnel in a well formation | Lawrence A. Behrmann | 2013-11-19 |
| 8347963 | Controlling transient underbalance in a wellbore | Ashley Bernard Johnson, Lawrence A. Behrmann, Fokko Harm Cornelis Doornbosch, Ian C. Walton | 2013-01-08 |
| 8342094 | Dissolvable material application in perforating | Manuel Marya, Lawrence A. Behrmann, Steven W. Henderson, Robert Ference | 2013-01-01 |
| 8302534 | Radial-linear shaped charge pipe cutter | William T. Bell | 2012-11-06 |
| 8166882 | Shaped charge liner with varying thickness | — | 2012-05-01 |
| 8156871 | Liner for shaped charges | Lawrence A. Behrmann | 2012-04-17 |
| 8135580 | Multi-language relevance-based indexing and search | Yuhui Jin, Daniel He, Peng Kang | 2012-03-13 |
| 7775279 | Debris-free perforating apparatus and technique | Manuel Marya, Lawrence A. Behrmann, Steven W. Henderson, Robert Ference, Brindesh Dhruva | 2010-08-17 |
| 7661367 | Radial-linear shaped charge pipe cutter | William T. Bell | 2010-02-16 |
| 7546805 | Detonator | Wallace E. Voreck | 2009-06-16 |
| 7409992 | Perforating gun | Alexander F. Zazovsky, Vadim Akhmadikin, Brenden M. Grove | 2008-08-12 |
| 7159657 | Shaped charge loading tube for perforating gun | Wanchai Ratanasirigulchia, Cynthia L. Hickson, Robert A. Parrott | 2007-01-09 |
| 7000699 | Method and apparatus for orienting perforating devices and confirming their orientation | Alfredo Fayard, Robert A. Parrott, Klaus Huber, Jeffrey P. Meisenhelder, A. Glen Edwards +4 more | 2006-02-21 |