Coffey; Lacey C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coffey; Lacey C..The latest application filed is for "ram-type tensioner assembly having integral hydraulic fluid accumulator".
- Coffey; Lacey C. - Houston TX
| Patent | Date |
|---|---|
| Portable drill string compensator Grant 7,131,496 - Williams , et al. November 7, 2 | 2006-11-07 |
| Ram-type tensioner assembly having integral hydraulic fluid accumulator Grant 7,131,922 - Williams , et al. November 7, 2 | 2006-11-07 |
| Ram-type tensioner assembly having integral hydraulic fluid accumulator App 20060154764 - Williams; Richard D. ; et al. | 2006-07-13 |
| Ram-type tensioner assembly having integral hydraulic fluid accumulator Grant 7,008,340 - Williams , et al. March 7, 2 | 2006-03-07 |
| Portable drill string compensator Grant 6,968,900 - Williams , et al. November 29, 2 | 2005-11-29 |
| Portable drill string compensator App 20050247452 - Williams, Richard D. ; et al. | 2005-11-10 |
| Portable drill string compensator App 20040108117 - Williams, Richard D. ; et al. | 2004-06-10 |
| Ram-type tensioner assembly having integral hydraulic fluid accumulator App 20040110589 - Williams, Richard D. ; et al. | 2004-06-10 |
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