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Patent applications and USPTO patent grants for Callihan; Rudy B..The latest application filed is for "pressure actuated pack-off and method".
Patent | Date |
---|---|
Pressure actuated pack-off and method Grant 4,479,544 - Callihan , et al. October 30, 1 | 1984-10-30 |
Method and apparatus for well cementing through a tubular member Grant 4,450,912 - Callihan , et al. May 29, 1 | 1984-05-29 |
Unitary float valve and wiping plug retainer Grant 4,442,894 - Callihan , et al. April 17, 1 | 1984-04-17 |
Apparatus for well cementing through a tubular member Grant 4,436,151 - Callihan , et al. March 13, 1 | 1984-03-13 |
Method and apparatus for installing a cementing float shoe on the bottom of a well casing Grant 4,413,682 - Callihan , et al. November 8, 1 | 1983-11-08 |
Combination hydraulically set hanger assembly with expansion joint Grant 4,393,931 - Muse , et al. July 19, 1 | 1983-07-19 |
Gravel packing apparatus and method Grant 3,987,854 - Callihan , et al. October 26, 1 | 1976-10-26 |
Selective Hydrostatically Set Parallel String Packer Grant 3,841,400 - Callihan , et al. October 15, 1 | 1974-10-15 |
Retrievable Well Packer Grant 3,678,998 - Cockrell , et al. July 25, 1 | 1972-07-25 |
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