Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654164 | Travel multiplying device | Klaus Biester | 2010-02-02 |
| 7599469 | Non-intrusive pressure gage | Clint Davis, David H. Theiss, William M. Taylor, Larry E. McDonald | 2009-10-06 |
| 6948715 | Seal assembly with accumulator ring | William M. Taylor, Larry E. McDonald | 2005-09-27 |
| 6321843 | Preloading type connector | — | 2001-11-27 |
| 6315264 | Fast-closing stepping actuator for a valve member | — | 2001-11-13 |
| 6267419 | Remotely actuated and locked hub clamp | William M. Taylor | 2001-07-31 |
| 6231027 | High torque rotating actuator | David Garnham, Brian Hart, Danny K. Wolff | 2001-05-15 |
| 6152167 | Valve actuator with emergency shutdown feature | — | 2000-11-28 |
| 5839765 | Metal seal ring for tubular joint | Robert Hansbrough Carter, William M. Taylor | 1998-11-24 |
| 5261446 | Self-contained emergency shutdown valve | — | 1993-11-16 |
| 5201336 | Fire safe valve | William M. Taylor | 1993-04-13 |
| 5109881 | Temperature sensitive control valve | — | 1992-05-05 |
| 5046376 | Shaft locking or manual operating apparatus | — | 1991-09-10 |
| 4997162 | Shearing gate valve | Loc Gia Hoang | 1991-03-05 |
| 4925154 | Gate valve with supplemental actuator | — | 1990-05-15 |
| 4921207 | Actuated gate valve with manual override | — | 1990-05-01 |
| 4911410 | Shearing gate valve | — | 1990-03-27 |
| 4871143 | Gate valve with supplemental actuator | — | 1989-10-03 |
| 4862426 | Method and apparatus for operating equipment in a remote location | Thomas G. Cassity, William C. Montgomery, Alfred W. Wedel, William M. Taylor | 1989-08-29 |
| 4844407 | Valve override mechanism | — | 1989-07-04 |
| 4837539 | Magnetic sensing proximity detector | — | 1989-06-06 |
| 4827963 | Heat sensitive shaft locking apparatus and valve using same | David R. Mefford | 1989-05-09 |
| 4705062 | Choke and improved needle tip therefor | — | 1987-11-10 |
| 4682499 | Pressure transmitter | — | 1987-07-28 |
| 4240609 | Flow control apparatus | Guerry L. Hahn | 1980-12-23 |