FIBERCAST
Filed: June 21, 1954
PIPE, TUBING, COUPLINGS, PIPE FITTINGS, AND ADAPTERS
Owned by: VARCO I/P, INC.
Serial Number: 71668548
SONOSCOPE ISOLOG
Filed: January 3, 1961
Measuring and Recording the Wall Thickness of Tubular Goods
Owned by: VARCO I/P, INC.
Serial Number: 72111248
ISOLOG
Filed: February 9, 1961
Inspecting New and Used Tubular Goods to Determine the Presence of Defects Therein
Owned by: VARCO I/P, INC.
Serial Number: 72113381
MARTIN-DECKER
Filed: March 5, 1962
DEVICES FOR DETECTING, INDICATING AND/OR RECORDING WEIGHT, PRESSURE, LOAD, FLOW AND RATE, AND PARTS THEREOF AND REPAIR AND…
Owned by: VARCO I/P, INC.
Serial Number: 72139182
SENTINEL
Filed: November 9, 1983
Oil Well Drilling Equipment-Namely, Blowout Preventers, and Parts Therefor
Owned by: VARCO I/P, INC.
Serial Number: 73451995
VISULOGGER
Filed: March 12, 1984
Well-Drilling Data Processors Used for Providing Computer Read-Out Information Indicative of Parameters Useful When Drilling…
Owned by: VARCO I/P, INC.
Serial Number: 73469603
DRILLMASTER
Filed: October 29, 1984
ELECTRONIC INSTRUMENTATION FOR MONITORING WELL DRILLING PARAMETERS
Owned by: VARCO I/P, INC.
Serial Number: 73506091
CHEM THREAD
Filed: August 13, 1991
glass fiber reinforced piping for use in chemical processing plants, phosphoric acid plants, pulp and paper mills, water…
Owned by: VARCO I/P, INC.
Serial Number: 74194358
ADVANCED WIRECLOTH
Filed: January 31, 1992
screening material in the nature of wire mesh, replacement screens, screen panels, strainers and filters for use in the…
Owned by: VARCO I/P, INC.
Serial Number: 74241957
CHEM THREAD
Filed: August 25, 1992
non-metal pipe fittings; namely, glass reinforced plastic pipe fittings
Owned by: VARCO I/P, INC.
Serial Number: 74307932
THRU-KOTE
Filed: October 13, 1992
connecting and joining tubular goods of others by welding
Owned by: VARCO I/P, INC.
Serial Number: 74321532
TRURES
Filed: August 12, 1993
pipeline inspection services
Owned by: VARCO I/P, INC.
Serial Number: 74423674
CT SCOPE
Filed: February 25, 1998
Inspection services for tubular goods
Owned by: VARCO I/P, INC.
Serial Number: 75440543
BLUE HEX
Filed: June 4, 1998
Replacement screens being part of power operated shakers used in the separation and control of solids and/or liquids
Owned by: VARCO I/P, INC.
Serial Number: 75496302
TEM
Pumping equipment for use in oilfield applications, namely, fluid pumpers, frac blenders, cement pumpers, acid pumpers,…
Owned by: VARCO I/P, INC.
Serial Number: 75603455
GUMBO CHAIN
Filed: February 4, 1999
Power-operated cartridge featuring a rotating belt or rotating bars for separating and removing solids from drilling fluid…
Owned by: VARCO I/P, INC.
Serial Number: 75634395
ARC
RAM CHANGER FOR CHANGING A RAM OF A BLOWOUT PREVENTER
Owned by: VARCO I/P, INC.
Serial Number: 75635524
HEVIJET
Filed: March 4, 1999
CENTRIFUGE SPECIFICALLY FOR CLEANING WELL DRILLING FLUIDS
Owned by: VARCO I/P, INC.
Serial Number: 75653202
DRILL & KILL
Oil and gas well control services, namely, controlling the pressure of the fluid in a well during drilling operations by…
Owned by: VARCO I/P, INC.
Serial Number: 76062275
VORTEX
MACHINES FOR SEPARATING SOLIDS AND RECOVERING FLUID FROM DRILLED CUTTINGS AND PRODUCTION WASTES FOR USE IN THE OIL AND NATURAL…
Owned by: VARCO I/P, INC.
Serial Number: 76096402
E-MUD
CONSULTATION AND ADVICE TO OILFIELD DRILLERS CONCERNING THE USE OF DRILLING FLUIDS, ADDITIVES AND EQUIPMENT INVOLVED IN…
Owned by: VARCO I/P, INC.
Serial Number: 76133920
E-TRACK
Computer database management software used for tubular goods inventory control
Owned by: VARCO I/P, INC.
Serial Number: 76337920
VMP
Piston pumps, mechanical gear driven pumps, and electric pumps for use in oilfield applications
Owned by: VARCO I/P, INC.
Serial Number: 76400001
"ROTO-HAMMER" IMPACT DRILL-JARS
Rental of oil and gas well drilling tools, namely hydraulically powered impact drills
Owned by: VARCO I/P, INC.
Serial Number: 76458848
VSM ULTRA
Solids control and removal equipment, namely, shakers for sifting and sieving; screens for use on shakers; parts for all…
Owned by: VARCO I/P, INC.
Serial Number: 76504747
MULTI RAM
Equipment for use with blowout preventers, namely, closing and sealing pressure control assemblies and blowout preventer…
Owned by: VARCO I/P, INC.
Serial Number: 76515315
LOAD-WATCH
Computer hardware, sensors, and electronic monitors and controls for collecting, recording, processing, and displaying information…
Owned by: VARCO I/P, INC.
Serial Number: 76562566
HYDROLEX
Wireline and pressure control equipment for use in the servicing of oil and gas well completions, namely high pressure injection…
Owned by: VARCO I/P, INC.
Serial Number: 76583250
ROTO-DRIVER
Oil and gas well tools, namely, hydraulically powered impact drills and parts and attachments thereof
Owned by: VARCO I/P, INC.
Serial Number: 76590863
PIPEWATCH
electronic instrumentation, sensors, and transmitters for controlling air flow, line pressure, and fluid flow rate for use…
Owned by: VARCO I/P, INC.
Serial Number: 77013159
RIGCONNECT
Communications equipment, namely satellite dishes,terminals, receivers, transmitters, antennas, sensors, LCD displays, data…
Owned by: VARCO I/P, INC.
Serial Number: 77161447
DIAMONDBACK
Solids control and removal equipment, namely, screens and replacement screens for use in separating solids and/or liquids…
Owned by: VARCO I/P, INC.
Serial Number: 77496548
THRU-KOTE
Metal tubular goods, namely, tubing and line pipe connections, inserts, and fittings
Owned by: VARCO I/P, INC.
Serial Number: 78310773
DWD-TOTCO
Electronic device for recording, collecting, and reporting data on well bore measurements, namely, the date of the survey…
Owned by: VARCO I/P, INC.
Serial Number: 78960256
E-CLIPPER
Electronic drilling oilfield instrumentation and control apparatus for use in oil and natural gas drilling, exploration,…
Owned by: VARCO I/P, INC.
Serial Number: 78960317
