Butterfield, Jr.; Charles A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butterfield, Jr.; Charles A..The latest application filed is for "method and apparatus for casing entry".
- Butterfield, Jr.; Charles A. - Houston TX
- Butterfield, Jr.; Charles A - Cypress TX US
- Butterfield, Jr.; Charles A - Houston TX
- Butterfield, JR.; Charles A. - Cypress TX
- Butterfield, Jr.; Charles A. - Duncan OK
| Patent | Date |
|---|---|
| Method and apparatus for casing entry Grant 10,018,004 - Abrant , et al. July 10, 2 | 2018-07-10 |
| Method and Apparatus for Casing Entry App 20150021029 - Abrant; William R. ; et al. | 2015-01-22 |
| Downhole release joint with radially expandable member Grant 8,695,699 - Whiddon , et al. April 15, 2 | 2014-04-15 |
| Downhole release joint with radially expandable member Grant 8,499,840 - Bennett , et al. August 6, 2 | 2013-08-06 |
| Downhole Release Joint With Radially Expandable Member App 20120152567 - Whiddon; Richard M. ; et al. | 2012-06-21 |
| Downhole Release Joint With Radially Expandable Member App 20120152565 - Bennett; Frederick C. ; et al. | 2012-06-21 |
| Tubular Liner App 20090090516 - DeLucia; Frank V. ; et al. | 2009-04-09 |
| Anti-rotation method and apparatus for limiting rotation of cementing plugs Grant 7,080,687 - Butterfield, Jr. , et al. July 25, 2 | 2006-07-25 |
| Method, apparatus and system for selective release of cementing plugs Grant 6,799,638 - Butterfield, Jr. October 5, 2 | 2004-10-05 |
| Anti-rotation apparatus for limiting rotation of cementing plugs Grant 6,796,377 - Butterfield, Jr. , et al. September 28, 2 | 2004-09-28 |
| Method and multi-purpose apparatus for control of fluid in wellbore casing Grant 6,571,880 - Butterfield, Jr. , et al. June 3, 2 | 2003-06-03 |
| Hydraulic set liner hanger setting mechanism and method Grant 6,318,472 - Rogers , et al. November 20, 2 | 2001-11-20 |
| Apparatus and method for generating electricity from energy in a flowing stream of fluid Grant 6,011,346 - Buchanan , et al. January 4, 2 | 2000-01-04 |
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