OILWELL
Filed: June 23, 1920
OIL-WELL RIGS, [ OIL-WELL DERRICKS, RIG PARTS, DERRICK PARTS, ] PORTABLE DRILLING-MACHINES, [ PORTABLE WELL-PULLING MACHINES…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71134086
"OILWELL"
Filed: October 29, 1948
[BULL PLUGS, SWAGED NIPPLES, FLOW T'S, CASING HEADS, [TUBING HEADS, AND COMBINATION CASING AND TUBING HEADS ], ALL BEING…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71567874
WILSON
Filed: June 3, 1949
OIL FIELD TOOLS AND MACHINERY - NAMELY, [ HYDRAULIC CASING PULLING MACHINES, ] INTERNAL COMBUSTION POWER DRIVEN WINCHES…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71579959
HAMER
Filed: November 23, 1949
VALVES; NAMELY, LINE BLIND VALVES, [ PLUG VALVES, FLOW-BEAN PLUG VALVES, AND SWIVEL VALVES, AND FOR HOODS FOR LINE BLIND…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71588216
MISSION
Filed: October 23, 1952
PACKING-NAMELY, PUMP PACKING, PUMP CYLINDER LINER PACKING, VALVE INSERT PACKING, PACKING ELEMENTS FOR PUMP PISTONS, PISTON…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71637068
SAFOMATIC
Filed: October 25, 1955
AUTOMATIC SHUT-OFF VALVES
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 71697073
NATIONAL
Filed: December 5, 1957
FLUID DRIVE DEVICES-NAMELY, TORQUE, CONVERTERS
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72041830
NATIONAL
Filed: December 5, 1957
WELL PUMPING EQUIPMENT-NAMELY, OIL WELL PUMPING EQUIPMENT, INCLUDING PUMPING UNITS, PUMPING JACKS AND DRIVES AND HEAVY DUTY…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72041831
NATIONAL
Filed: January 24, 1958
WELL DRILLING EQUIPMENT
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72044640
NATIONAL
Filed: October 2, 1959
OILFIELD AND INDUSTRIAL PUMPS OTHER THAN WELL PUMPING EQUIPMENT- NAMELY, PLUNGER PUMPS AND PISTON PUMPS
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72082593
CE
Filed: March 11, 1964
[ MOBILE TREE HARVESTING MACHINES; APPARATUS FOR SEPARATION TREATMENT OF OIL, GAS, AND WATER, AND PARTS AND EQUIPMENT THEREFOR…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72188494
SERVICE MASTER
Filed: July 6, 1964
VALVE AND SEAT ASSEMBLY FOR PUMPS FOR DRILLING MUD SERVICE
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72197155
CE
Filed: December 14, 1964
[ LEVEL CONTROL VALVES, SAFETY SHUTOFF VALVES, THREADED HIGH-PRESSURE PIPE FITTINGS, SWIVEL FITTINGS, SPINNING CHAIN, AND…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72208155
CLYDE
Filed: March 22, 1965
HEAVY DUTY CONTRUCTION AND MATERIAL HANDLING MACHINERY- NAMELY, HOISTS, [ CAR PULLERS ] DERRICKS AND WHIRLEYS
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72214695
ELECTROHOIST
Filed: August 10, 1966
WELL DRILLING RIG AND COMPONENT PARTS THEREOF
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72252143
IT'S A WOOLLEY-BOOGER
Filed: April 13, 1972
OIL WELL DRILLING TOOLS-NAMELY, DRILL PIPE SLIPS, DRILL COLLAR SLIPS, ROTARY SLIP INSERTS, [ ROTARY TONGS, COMBINATION TONGS…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72421312
SUPER SERVICE
Filed: November 13, 1972
SLUSH PUMP LINERS, SLUSH PUMP VALVES, SLUSH PUMP RODS AND SLUSH PUMP VALVE SEATS
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 72440996
KENICS
Filed: November 30, 1973
[ SYNTHETIC RESINS AND SOLVENTS FOR SYNTHETIC RESINS ]
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73007603
TUFF-WELD
Filed: March 22, 1974
THREADED CONNECTORS, TOOL JOINTS AND COLLARS, WELDED TO PIPE
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73016668
GASO
Filed: August 15, 1974
INDUSTRIAL RECIPROCATING PUMPS AND PARTS THEREFOR
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73029596
HARRISBURG
Filed: September 8, 1975
[ TOOL JOINT COMPOUND ]
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73062337
RODCO
Filed: March 27, 1978
REBUILDING OIL FIELD SUCKER ROD AND TUBULAR GOODS
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73163850
BAYLOR
Filed: March 5, 1979
Electrically Actuated Eddy Current Brakes; Electrical Switch Gear and Motor Controls and [Vessel Thruster and Propulsion…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73205981
UNIT
Filed: August 18, 1980
Machinery-Namely, Cranes [ Excavators and Scraphandlers ]
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73274483
UNIT MARINER CRANES
Filed: August 18, 1980
Cranes
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73274484
SPIRAL-WATE
Filed: April 6, 1982
Heavy Wall Oil Well Drilling Pipe
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73358602
LUCKER
Filed: July 18, 1983
Wire Rope Jacking and Pulling Systems-Namely, Intermittent Pulling Machine, Continuous Pulling Machines and Jacking Machines…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73435000
WILSON
Filed: October 21, 1983
MOBILE WELL DRILLING AND SERVICING RIGS, DRAWWORKS, DERRICKS, MASTS, MAST POLES, CHAIN AND GEAR TRANSMISSIONS, FRICTION…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73449177
ROUGHNECK
Filed: May 30, 1985
PARTS FOR PUMPS, NAMELY, VALVES AND VALVE SEATS
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73540365
HI TORQUE
Filed: September 8, 1986
DRILL PIPE CONNECTOR
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73618858
GREEN TRIANGLE
Filed: December 5, 1988
[ METAL CLAMPS FOR USE IN REPAIRING PIPE IN THE OIL AND GAS INDUSTRY ]
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 73767562
WILDCAT'R
Filed: June 28, 1990
metal ball valves
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74073876
Image Trademark
Filed: October 4, 1990
oil and gas well drilling machine parts; namely, [ roller chains, liners, crosshead extension rods, hammer unions, pistons…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74103044
SKYTOP BREWSTER
Filed: December 10, 1990
oil well drilling and workover rigs, mechanical drawworks, mud pumps, hook blocks, rotary tables and swivels
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74122256
HARRISBURG
Filed: April 27, 1992
well drilling machine parts; namely, fluid end parts; namely, pump liners, [ packing, pistons, piston rods, ] valves, valve…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74269662
NATIONAL OILWELL
Filed: May 4, 1992
[ power-operated pumps and pump equipment for use in oilfield equipment and service; namely, triplex mud pumps, duplex mud…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74271962
NATIONAL OILWELL
Filed: May 4, 1992
power operated pumps and pump equipment for use in oilfield equipment and service; namely, triplex mud pumps, duplex mud…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74271963
NATIONAL OILWELL
Filed: May 4, 1992
[ power operated pumps and pump equipment for use in oilfield equipment and service; namely, triplex mud pumps, duplex mud…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74271964
SKYTOP BREWSTER
Filed: September 29, 1992
maintenance and repair of oil well drilling rigs, workover rigs and associated machinery
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74320313
JAR INTENSIFIER
Filed: July 12, 1993
oil and gas downhole tool; namely, a mechanical jarring tool
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 74412005
