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Patent applications and USPTO patent grants for Ribble; George W..The latest application filed is for "collar swaging of single-piece centralizers".
Patent | Date |
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Devices and methods for forming bow springs of one-piece centralizers Grant 10,493,515 - Miller , et al. De | 2019-12-03 |
Collar Swaging Of Single-piece Centralizers App 20170183920 - Ribble; George W. ;   et al. | 2017-06-29 |
Devices And Methods For Forming Bow Springs Of One-piece Centralizers App 20160326813 - Miller; Eugene Edward ;   et al. | 2016-11-10 |
Annular Relief Valve App 20120273055 - Lirette; Brent J. ;   et al. | 2012-11-01 |
Pressure actuated vent assembly for slanted wellbores Grant 4,434,854 - Vann , et al. * March 6, 1 | 1984-03-06 |
Bar actuated vent assembly and perforating gun Grant 4,299,287 - Vann , et al. November 10, 1 | 1981-11-10 |
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