Apache Corp - Company Profile
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View up-to-date information on Apache Corp patents, including inventor and filing insights.
Patent Trends
Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
---|---|---|---|---|
US20090121507A1 | Application | Apparatus for gripping a down hole tubular for use in a drilling machine | E21B19/07; E21B19/16 | May 14, 2009 |
US052978338 | Grant | Apparatus for gripping a down hole tubular for sup | B25B13/18; E21B19/07; E21B19/10; E21B19/161 | March 29, 1994 |
US052733882 | Grant | Lifting device for down hole tubulars | E21B19/155 | December 28, 1993 |
US052597237 | Grant | Feeding device for down hole tubulars | B65G2205/02; B65G47/8815; B65G47/8884 | November 09, 1993 |
EP0285386B1 | Grant | INTERNAL WRENCH FOR A TOP HEAD DRIVE ASSEMBLY | E21B19/00; E21B19/16; E21B3/02 | June 02, 1993 |
Top Inventors by Filings (Count by publication)
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