Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926594 | Bearing assembly inner barrel and well drilling equipment comprising same | — | 2011-04-19 |
| 7918291 | Spring preloaded bearing assembly and well drilling equipment comprising same | — | 2011-04-05 |
| 7891426 | Heat exchanger system and method of use thereof and well drilling equipment comprising same | — | 2011-02-22 |
| 7874353 | Bearing assembly retaining apparatus and well drilling equipment comprising same | — | 2011-01-25 |
| 7866382 | Spring load seal assembly and well drilling equipment comprising same | — | 2011-01-11 |
| 7798250 | Bearing assembly inner barrel and well drilling equipment comprising same | — | 2010-09-21 |
| 7789172 | Tapered bearing assembly cover plate and well drilling equipment comprising same | — | 2010-09-07 |
| 7789132 | Stripper rubber retracting connection system | — | 2010-09-07 |
| 7766100 | Tapered surface bearing assembly and well drilling equiment comprising same | — | 2010-08-03 |
| 7762320 | Heat exchanger system and method of use thereof and well drilling equipment comprising same | — | 2010-07-27 |
| 7726416 | Bearing assembly retaining apparatus and well drilling equipment comprising same | — | 2010-06-01 |
| 7717170 | Stripper rubber pot mounting structure and well drilling equipment comprising same | — | 2010-05-18 |
| 7717169 | Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same | — | 2010-05-18 |
| 7717168 | Reinforced stripper rubber body and method of making same | — | 2010-05-18 |
| 7708089 | Breech lock stripper rubber pot mounting structure and well drilling equipment comprising same | — | 2010-05-04 |
| 7669649 | Stripper rubber with integral retracting retention member connection apparatus | — | 2010-03-02 |
| 7635034 | Spring load seal assembly and well drilling equipment comprising same | — | 2009-12-22 |
| 7559359 | Spring preloaded bearing assembly and well drilling equipment comprising same | — | 2009-07-14 |
| 7416226 | Spring-biased pin connection system | — | 2008-08-26 |
| 7416021 | Armored stripper rubber | — | 2008-08-26 |
| 7407570 | Disposable, self-administered electrolyte test | Jennifer Prince, Andrew Dineen | 2008-08-05 |
| 7380610 | Stripper rubber insert assembly | — | 2008-06-03 |
| 7380591 | Mechanical connection system | — | 2008-06-03 |
| 7334633 | Stripper rubber adapter | Charles Bishop | 2008-02-26 |
| 7278494 | Stripper rubber insert assembly | — | 2007-10-09 |