Sumner; Cyril R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumner; Cyril R..The latest application filed is for "fluid sensitive, polarity sensitive safety detonator".
- Sumner; Cyril R. - Houston TX
| Patent | Date |
|---|---|
| Fluid sensitive, polarity sensitive safety detonator Grant 5,105,742 - Sumner April 21, 1 | 1992-04-21 |
| Buried vault for underground optical fiber systems Grant 4,776,138 - Sumner , et al. October 11, 1 | 1988-10-11 |
| Downhole perforating method and apparatus using secondary explosive detonators Grant 4,762,067 - Barker , et al. August 9, 1 | 1988-08-09 |
| High temperature high pressure detonator Grant 4,716,832 - Sumner January 5, 1 | 1988-01-05 |
| Method for depth control and detonation of tubing conveyed gun assembly Grant 4,690,218 - Sumner September 1, 1 | 1987-09-01 |
| Mechanically initiated tubing conveyed perforator system Grant 4,512,418 - Regalbuto , et al. April 23, 1 | 1985-04-23 |
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