Berscheidt; Kevin T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Berscheidt; Kevin T..The latest application filed is for "methods and apparatus for use in subterranean cementing operations".
- Berscheidt; Kevin T. - Marlow OK
- Berscheidt; Kevin T. - Duncan OK
| Patent | Date |
|---|---|
| Methods and apparatus for use in subterranean cementing operations Grant 7,255,162 - Stevens , et al. August 14, 2 | 2007-08-14 |
| Methods and apparatus for use in subterranean cementing operations App 20050247458 - Stevens, Michael D. ; et al. | 2005-11-10 |
| Bridge plug Grant 6,666,275 - Neal , et al. December 23, 2 | 2003-12-23 |
| Bridge plug App 20030024712 - Neal, Kenneth G. ; et al. | 2003-02-06 |
| Frac plug with caged ball Grant 6,491,116 - Berscheidt , et al. December 10, 2 | 2002-12-10 |
| Frac plug with caged ball App 20020096365 - Berscheidt, Kevin T. ; et al. | 2002-07-25 |
| Frac plug with caged ball Grant 6,394,180 - Berscheidt , et al. May 28, 2 | 2002-05-28 |
| Low pressure, high temperature composite bridge plug Grant 6,220,349 - Vargus , et al. April 24, 2 | 2001-04-24 |
| Chip resistant buttons for downhole tools having slip elements Grant 5,984,007 - Yuan , et al. November 16, 1 | 1999-11-16 |
| Slip retaining system for downhole tools Grant 5,839,515 - Yuan , et al. November 24, 1 | 1998-11-24 |
| Overbalance perforating and stimulation method for wells Grant 5,669,448 - Minthorn , et al. September 23, 1 | 1997-09-23 |
| Downhole tool apparatus with non-metallic packer element retaining shoes Grant 5,540,279 - Branch , et al. July 30, 1 | 1996-07-30 |
| Downhole tool with sliding valve Grant 5,390,737 - Jacobi , et al. February 21, 1 | 1995-02-21 |
| Apparatus and method of anchoring and releasing from a packer Grant 5,343,954 - Bohlen , et al. September 6, 1 | 1994-09-06 |
| Downhole tool apparatus with non-metallic components and methods of drilling thereof Grant 5,271,468 - Streich , et al. December 21, 1 | 1993-12-21 |
| Downhole tool apparatus with non-metallic components and methods of drilling thereof Grant 5,224,540 - Streich , et al. July 6, 1 | 1993-07-06 |
| Apparatus and method of anchoring and releasing from a packer Grant 5,207,274 - Streich , et al. May 4, 1 | 1993-05-04 |
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