Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328567 | Double-acting shock damper for a downhole assembly | — | 2016-05-03 |
| 9255456 | Method and apparatus for improving the efficiency of a positive displacement motor for drilling and oil or gas well | — | 2016-02-09 |
| 9095368 | Follicular unit extraction device | Sanusi Umar | 2015-08-04 |
| 8840488 | Golf putter | — | 2014-09-23 |
| 8561688 | Compact jar for dislodging tools in an oil or gas well | — | 2013-10-22 |
| 8443902 | Time-controlled release device for wireline conveyed tools | — | 2013-05-21 |
| 8424361 | Pittsburgh lock opening tool | — | 2013-04-23 |
| 8380056 | Inter-axial inline fluid heater | — | 2013-02-19 |
| 8366082 | Belleville spring guide system | — | 2013-02-05 |
| 8256509 | Compact jar for dislodging tools in an oil or gas well | — | 2012-09-04 |
| 8205690 | Dual acting locking jar | — | 2012-06-26 |
| 7854425 | Belleville spring guide system | — | 2010-12-21 |
| 7510008 | Method and apparatus for decreasing drag force of trigger mechanism | — | 2009-03-31 |
| 7350536 | Vacuumized receptacle for sample collection | — | 2008-04-01 |
| 7311149 | Jar with adjustable preload | — | 2007-12-25 |
| 7290604 | Downhole tool with pressure balancing | — | 2007-11-06 |
| 6988551 | Jar with adjustable trigger load | — | 2006-01-24 |
| 6845562 | Can Opener | — | 2005-01-25 |
| 6698284 | Liquid level gauge | — | 2004-03-02 |
| 6507832 | Using ink temperature gain to identify causes of web breaks in a printing system | Did-Bun Wong | 2003-01-14 |
| 6481495 | Downhole tool with electrical conductor | — | 2002-11-19 |
| 6386545 | Fluid plug | — | 2002-05-14 |
| 6336106 | System and method for partitioning a real-valued attribute exhibiting windowed data characteristics | — | 2002-01-01 |
| 6290004 | Hydraulic jar | — | 2001-09-18 |
| 5918688 | Gas-filled accelerator | — | 1999-07-06 |