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Showing 21-40 of 41 results

Mark Name	Mark Description
CHECKGUARD Owned by: HYDRIL COMPANY Filed on: 07-20-1989 Status: Cancelled-Section 8	VALVES FOR CONTROLLING FLOW FLUIDS IN WELL DRILLING	View Details Monitor Mark Create New Watchlist
GL Owned by: HYDRIL COMPANY Filed on: 08-17-1984 Status: Cancelled-Section 8	ANNULAR BLOWOUT PREVENTERS AND PARTS THEREFOR	View Details Monitor Mark Create New Watchlist
GK Owned by: HYDRIL COMPANY Filed on: 06-25-1984 Status: Cancelled-Section 8	WELLBORE EQUIPMENT, NAMELY, ANNULAR BLOWOUT PREVENTERS AND PARTS THEREFOR	View Details Monitor Mark Create New Watchlist
GX Owned by: HYDRIL COMPANY Filed on: 06-25-1984 Status: Cancelled-Section 8	WELLBORE EQUIPMENT, NAMELY ANNULAR BLOWOUT PREVENTERS AND PARTS THEREFOR	View Details Monitor Mark Create New Watchlist
FLATPAK Owned by: HYDRIL COMPANY Filed on: 07-13-1983 Status: Cancelled-Section 8	Encapsulated Remote Control Linkage Conduits for Subsea Equipment	View Details Monitor Mark Create New Watchlist
KELLYGUARD Owned by: HYDRIL COMPANY Filed on: 06-25-1981 Status: Cancelled-Section 8	Fluid Flow Controlling Valves	View Details Monitor Mark Create New Watchlist
CHECKGUARD Owned by: HYDRIL COMPANY Filed on: 06-25-1981 Status: Cancelled-Section 8	Valves for Controlling Flow of Fluids in Well Drilling	View Details Monitor Mark Create New Watchlist
DRILLGUARD Owned by: HYDRIL COMPANY Filed on: 06-25-1981 Status: Cancelled-Section 8	Valves for Controlling the Flow of Fluids in Well Drilling Operations and which Operate Primarily as Automatic Valves	View Details Monitor Mark Create New Watchlist
MUDGUARD Owned by: HYDRIL COMPANY Filed on: 06-25-1981 Status: Cancelled-Section 8	Valves for Controlling the Flow of Fluids in Well Drilling Operations and which Operate Primarily as Automatic Valves	View Details Monitor Mark Create New Watchlist
FLOATGUARD Owned by: HYDRIL COMPANY Filed on: 06-25-1981 Status: Cancelled-Section 8	Valves for Controlling the Flow of Fluids in Well Drilling Operations and which Operate Primarily as Automatic Valves	View Details Monitor Mark Create New Watchlist
FLEXPAK Owned by: HYDRIL COMPANY Filed on: 11-26-1980 Status: Cancelled-Section 8	Remote Control Umbilical Linkage in the Nature of Electrical, Hydraulic or Electro-Hydraulic Conduits Enclosed in a Protective Covering for Use	View Details Monitor Mark Create New Watchlist
FLATPAK Owned by: HYDRIL COMPANY Filed on: 12-31-1969 Status: Abandoned-Failure to Resp...	REMOTE CONTROL LINKAGE FOR SUBSEA EQUIPMENT	View Details Monitor Mark Create New Watchlist
HYDRIL Owned by: HYDRIL COMPANY Filed on: 11-17-1980 Status: Cancelled-Section 8	Repair and Maintenance of Oil and Gas Wells and Including Threading of Tubing, Pipe, Casing and Accessories Design and Testing of Oil and Gas We	View Details Monitor Mark Create New Watchlist
HYDRIL Owned by: HYDRIL COMPANY Filed on: 11-17-1980 Status: Cancelled-Section 8	Repair and Maintenance of Oil and Gas Wells and Including Threading of Tubing, Pipe, Casing and Accessories Design and Testing of Oil and Gas We	View Details Monitor Mark Create New Watchlist
SMART Owned by: HYDRIL COMPANY Filed on: 08-19-1971 Status: Cancelled-Section 18	REMOTE DATA GATHERING AND CONTROL SYSTEMS, AND TELEMETRY SYSTEMS, FOR USE IN MONITORING AND CONTROLLING FLUID FLOW RATES AND QUANTITIES	View Details Monitor Mark Create New Watchlist
CS Owned by: HYDRIL COMPANY Filed on: 11-07-1960 Status: Renewed	Oil Well Tubing, Drill Pipe and Casing	View Details Monitor Mark Create New Watchlist
CB Owned by: HYDRIL COMPANY Filed on: 10-03-1960 Status: Cancelled-Section 8	Oil Well Tubing, Drill Pipe and Casing	View Details Monitor Mark Create New Watchlist
HYDRIL Owned by: HYDRIL COMPANY Filed on: 03-12-1954 Status: Renewed	PULSATION DAMPENERS, [ VALVES OF ALL KINDS AND PIPE FITTINGS, ] BLOWOUT PREVENTERS [, ACCUMULATORS, CASING JOINTS, TUBING JOINTS, DRILL STEM JO	View Details Monitor Mark Create New Watchlist
Owned by: HYDRIL COMPANY Filed on: 06-03-1929 Status: Cancelled-Section 8	WELL-DRILLING MACHINERY AND TOOLS-NAMELY, [ HYDRAULIC-FEED ROTARY TABLES, BEING WELL-DRILLING TOOLS EACH OF WHICH COMPRISES A ROTATABLE TABLE WI	View Details Monitor Mark Create New Watchlist
HYDRIL Owned by: HYDRIL COMPANY Filed on: 06-03-1929 Status: Cancelled-Section 8	WELL-DRILLING MACHINERY AND TOOLS-NAMELY, [ HYDRAULIC-FEED ROTARY TABLES, BEING WELL-DRILLING TOOLS EACH OF WHICH COMPRISES A ROTATABLE TABLE WI	View Details Monitor Mark Create New Watchlist

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