Inventor · disambiguated record
Rudy B. Callihan
Also filed as: CALLIHAN RUDY B
8 granted patents·679 citations·filing 1972–1983
91Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0196US4413682AMethod and apparatus for installing a cementing float shoe on the bottom of a well casingBAKER OIL TOOLS INC·Filed 1982·Granted Nov 8, 1983·259 cites·8 claims
- 0291US4393931ACombination hydraulically set hanger assembly with expansion jointBAKER INT CORP·Filed 1981·Granted Jul 19, 1983·139 cites·5 claims
- 0385US3987854AGravel packing apparatus and methodBAKER OIL TOOLS INC·Filed 1972·Granted Oct 26, 1976·78 cites·23 claims
- 0483US4436151AApparatus for well cementing through a tubular memberBAKER OIL TOOLS INC·Filed 1982·Granted Mar 13, 1984·64 cites·5 claims
- 0578US4450912AMethod and apparatus for well cementing through a tubular memberBAKER OIL TOOLS INC·Filed 1982·Granted May 29, 1984·51 cites·11 claims
- 0667US4088186ACentering device for well conduitBAKER INT CORP·Filed 1976·Granted May 9, 1978·37 cites·8 claims
- 0766US4442894AUnitary float valve and wiping plug retainerBAKER OIL TOOLS INC·Filed 1982·Granted Apr 17, 1984·34 cites·2 claims
- 0848US4479544APressure actuated pack-off and methodBAKER OIL TOOLS INC·Filed 1983·Granted Oct 30, 1984·17 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →