Hibler, Jr.; Donald R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hibler, Jr.; Donald R..The latest application filed is for "rupture disc assembly that withstands much higher back pressures than actuation pressure".
- Hibler, Jr.; Donald R. - Bates City MO
| Patent | Date |
|---|---|
| Rupture disc assembly that withstands much higher back pressures than actuation pressure Grant 7,950,409 - Stokes , et al. May 31, 2 | 2011-05-31 |
| Oil well completion tool having severable tubing string barrier disc Grant 7,533,727 - Barton , et al. May 19, 2 | 2009-05-19 |
| Dump valve assembly for selective draining of liquid from an oil well pipe stream Grant 6,752,212 - Burris , et al. June 22, 2 | 2004-06-22 |
| Method for selective draining of liquid from an oil well pipe string Grant 6,591,915 - Burris , et al. July 15, 2 | 2003-07-15 |
| Low forward pressure burst-high backpressure resistant rupture disc Grant 5,154,202 - Hibler, Jr. , et al. October 13, 1 | 1992-10-13 |
| Ratchet lock mechanism for exercise hip, leg and squat sled Grant 4,549,734 - Hibler, Jr. , et al. October 29, 1 | 1985-10-29 |
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