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BAKER OIL TOOLS INC

Overview
  • Total Patents
    1,135
About

BAKER OIL TOOLS INC has a total of 1,135 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets civil engineering, machines and mechanical elements are DRILLING & SERVICE UK LTD, BROWN OIL TOOLS and BLACKHAWK SPECIALTY TOOLS LLC.

Patent filings per year

Chart showing BAKER OIL TOOLS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baker Reuben C 213
#2 Conrad Martin B 97
#3 Burt Clarence E 45
#4 Chenoweth David V 42
#5 Baker John R 38
#6 Ragan Thomas M 37
#7 Myers William D 35
#8 Crowe Talmadge L 32
#9 Clark Jr Earnest H 32
#10 Stout Gregg W 25

Latest patents

Publication Filing date Title
US4862967A Method of employing a coated elastomeric packing element
US4880056A Hydraulically activated firing head for well perforating guns
US4836278A Apparatus for isolating a plurality of vertically spaced perforations in a well conduit
US4838349A Apparatus for testing selected zones of a subterranean bore
US4789029A Tension set packing apparatus for subterranean wells
US4817718A Hydraulically activated firing head for well perforating guns
US4796705A Subsurface well safety valve
US4730670A High temperature packer for well conduits
US4755230A Method of and composition for removing paraffin deposits from hydrocarbon transmission conduits
US4754812A Dual string packer method and apparatus
CA1269040A Injection control device for subterranean well conduit
GB8702051D0 Pressure operated test tool
US4732214A Subsea production test valve assembly
BR8605957A High temperature shutter for poco pipes and sliding retention mechanism for suitarraneo poco shutter
US4673652A Method of testing and reconditioning insulating tubular conduits
US4735266A Method and apparatus for isolating a plurality of vertically spaced perforations in a well conduit
US4747201A Boosterless perforating gun
US4730835A Anti-extrusion seal element
US4655292A Steam injection packer actuator and method
US4708208A Method and apparatus for setting, unsetting, and retrieving a packer from a subterranean well