HERCULES
Filed: December 6, 1963
OIL WELL AND OIL FIELD TOOLS AND EQUIPMENT-NAMELY, CASING HEADS, TUBING HEADS, TUBING HANGERS, PUMPING AND FLOWING T'S,…
Owned by: National Oilwell Varco, L.P.
Serial Number: 72182484
VARCO
Filed: July 8, 1968
WELL TOOLS AND EQUIPMENT-NAMELY, POWER SLIPS, MANUALLY ACTUATED SLIPS, SLIP INSERTS, KELLY SPINNERS OR POWER SUBS, KELLY…
Owned by: National Oilwell Varco, L.P.
Serial Number: 72302208
MAGNUM
Filed: April 11, 1988
VALVES OF METAL, OTHER THAN MACHINE PARTS, NAMELY NEEDLE VALVES, BALL VALVES AND INSTRUMENT MANIFOLD VALVES FOR GENERAL…
Owned by: National Oilwell Varco, L.P.
Serial Number: 73721840
STAYTITE
Filed: December 8, 1989
METAL COUPLINGS AND CLOSURES FOR HOSE, PIPE AND FLUID LINES AND PRESSURE HATCHES
Owned by: National Oilwell Varco, L.P.
Serial Number: 74008839
DOME
Filed: December 19, 1996
rubber seal rings with plastic inserts for use in stuffing boxes
Owned by: National Oilwell Varco, L.P.
Serial Number: 75215924
STEALTH XL
Filed: November 18, 1997
MOLDED PLASTIC SUCKER ROD ACCESSORIES, NAMELY, GUIDES USED IN SUBTERRANEAN WELLS
Owned by: National Oilwell Varco, L.P.
Serial Number: 75392401
YALE
Filed: June 11, 1998
METAL CLOSURES FOR USE IN PRESSURE VESSELS OR PIPELINES AND METAL UNIONS FOR USE IN PIPING SYSTEMS
Owned by: National Oilwell Varco, L.P.
Serial Number: 75500536
QT SERIES
Filed: June 25, 1998
BALL VALVES FOR CONTROLLING FLUID FLOW
Owned by: National Oilwell Varco, L.P.
Serial Number: 75508454
POSITIVE ACTION
Filed: October 19, 1998
PLASTIC GUIDES FOR GUIDING A SUCKER ROD MOVABLE WITHIN A WELL
Owned by: National Oilwell Varco, L.P.
Serial Number: 75572404
SPIN-THRU
Filed: October 19, 1998
PLASTIC GUIDES FOR GUIDING A SUCKER ROD MOVABLE WITHIN A WELL
Owned by: National Oilwell Varco, L.P.
Serial Number: 75572414
DUAL SYSTEM
Filed: October 19, 1998
PLASTIC GUIDES FOR GUIDING A SUCKER ROD MOVABLE WITHIN A WELL
Owned by: National Oilwell Varco, L.P.
Serial Number: 75572415
LOTUS
Filed: July 20, 1999
Plastic guides specially designed for use with sucker rods in subterranean wells
Owned by: National Oilwell Varco, L.P.
Serial Number: 75755631
SENTRY
Filed: August 5, 2002
Metal closures for vessels or pipelines
Owned by: National Oilwell Varco, L.P.
Serial Number: 76437566
WELLMAP PLUS
Filed: October 14, 2005
EVALUATION SERVICES FOR A PRODUCING WELL IN THE OIL OR GAS INDUSTRY, NAMELY, WELLBORE ANALYSIS OF INCLINATION AND AZIMUTH…
Owned by: National Oilwell Varco, L.P.
Serial Number: 76648453
RAPIDRIG SMALLER. FASTER. SAFER.
Filed: April 2, 2007
Machinery and fabricated structures for use in the production of oil, gas, water, and other fluids from subterranean wells…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77145836
IDEAL
machines, fabricated structures, tools and replacement parts therefor for use in the production of oil and gas from wells…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77307156
NOV
Filed: January 15, 2008
Fabricated structures used in the production of oil and gas from wells and for the drilling of oil and gas wells, namely…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77372298
NATIONAL OILWELL VARCO
Filed: January 15, 2008
Fabricated structures used in the production of oil and gas from wells and for the drilling of oil and gas wells, namely…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77372318
NOV
Filed: January 15, 2008
Fabricated structures used in the production of oil and gas from wells and for the drilling of oil and gas wells, namely…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77372344
MODCO
Filed: November 17, 2008
Metal closures for use in pressure vessels or pipelines
Owned by: National Oilwell Varco, L.P.
Serial Number: 77615527
RIGMS
Computer software for managing oil rigs for use in the oil industry
Owned by: National Oilwell Varco, L.P.
Serial Number: 77635305
NOW
Rig floor drilling equipment for use in oil and gas drilling, namely, mud pumps, drawworks, rotary tables, swivels, and…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77672505
NOW
Rig floor drilling equipment for use in oil and gas drilling, namely, mud pumps, drawworks, rotary tables, swivels, and…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77672539
TEM
Filed: March 5, 2009
Cement mixing equipment, namely, concrete mixers and automatic density control systems comprised of mechanical and electromechanical…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77684530
CONSTANT-G CONTROL
Filed: March 23, 2009
A controller for use in connection with oil rig shaker systems
Owned by: National Oilwell Varco, L.P.
Serial Number: 77696862
MERLIN
[ Operator cabins for use with drilling machinery ]
Owned by: National Oilwell Varco, L.P.
Serial Number: 77712613
MERLIN
[ Operator cabins for use with drilling machinery ]
Owned by: National Oilwell Varco, L.P.
Serial Number: 77712640
TORQUEMASTER
Filed: April 25, 2009
A self-contained hydraulic make-up and break-out machine used to disassemble and reassemble downhole tools in either a workshop…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77722420
POWERPLUS
Filed: June 1, 2009
Drilling equipment, namely, downhole motors
Owned by: National Oilwell Varco, L.P.
Serial Number: 77748990
DURAFORCE
Drill bits for rock drilling and core drilling for oil and gas exploration
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 77788764
CCS
Oil and gas drilling machines, namely, pipe handling drilling machines that are used for making connections between jointed…
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 77840071
SPRED
Modular drilling rigs for use in oil and gas drilling operations comprising a combination of drilling, tripping, stabbing…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77840095
DRILLWELL
Filed: October 2, 2009
Providing non-downloadable software for use in monitoring and reporting drilling activity
Owned by: National Oilwell Varco, L.P.
Serial Number: 77840319
TRUSCAN
Filed: October 2, 2009
Pipeline inspection services, namely, ultrasonic tubular inspection services for heavy wall casings and pipes of others
Owned by: National Oilwell Varco, L.P.
Serial Number: 77840329
DRAKE
Filed: October 2, 2009
Oilfield drilling rigs
Owned by: National Oilwell Varco, L.P.
Serial Number: 77840343
NOV RIGSTORE
Supply chain management services
Owned by: NATIONAL OILWELL VARCO, L.P.
Serial Number: 77914354
TRUSCAN
Filed: October 2, 2009
Ultrasonic tubular inspection apparatus used to inspect heavy wall casings and pipes, namely, ultrasonic sensors, ultrasound…
Owned by: National Oilwell Varco, L.P.
Serial Number: 77982803
BIG STUFF
Filed: October 22, 2003
Oil well production equipment, namely stuffing boxes
Owned by: National Oilwell Varco, L.P.
Serial Number: 78316928
HEMIDRIL
Downhole mud motors
Owned by: National Oilwell Varco, L.P.
Serial Number: 78410635
SAFETY LITE LINER
Parts and accessories for oil field pumps and oil field pump components, namely, cylinder liners, liner systems, liner pre…
Owned by: National Oilwell Varco, L.P.
Serial Number: 78700242
