TOTCO
Filed: May 11, 1935
APPARATUS FOR RECORDING THE DEVIATION OF A WELL HOLE FROM THE VERTICAL
Owned by: GRANT PRIDECO, INC.
Serial Number: 71364840
WELDFAST
Filed: September 18, 1952
ADHESIVE OR PLASTIC CEMENT USED IN FASTENING PIPE FITTINGS TO PLASTIC PIPE, FOR JOINING PLASTIC PIPES, AND FOR JOINING PLASTIC…
Owned by: GRANT PRIDECO, INC.
Serial Number: 71635431
H 90
Filed: December 14, 1955
TOOL JOINTS AND DRILL COLLARS
Owned by: GRANT PRIDECO, INC.
Serial Number: 71699968
RED THREAD
Filed: July 9, 1959
Dip Tubes for Water Heaters and for Pipes
Owned by: GRANT PRIDECO, INC.
Serial Number: 72077396
MD
Filed: June 28, 1960
Devices for Indicating and/or Recording Weight, Pressure, Load, Flow, and Rate
Owned by: GRANT PRIDECO, INC.
Serial Number: 72099864
TUBE-KOTE
Filed: October 21, 1960
Applying a Plastic Base Coating to the Goods of Others
Owned by: GRANT PRIDECO, INC.
Serial Number: 72106959
AMALOG
Filed: January 3, 1961
Casing, Tubing, and Drill Pipe Inspection
Owned by: GRANT PRIDECO, INC.
Serial Number: 72111249
TUBE-KOTE
Filed: May 1, 1961
Plastic Materials Sold in Cans and Similar Containers, Including Polyurethane, Epoxy and Phenolic Resin Compounds
Owned by: GRANT PRIDECO, INC.
Serial Number: 72119076
M/D
Filed: March 5, 1962
Devices for Detecting, Indicating and/or Recording Weight, Pressure, Load, Flow and Rate, and Parts Thereof [ and Repair…
Owned by: GRANT PRIDECO, INC.
Serial Number: 72139183
RED THREAD
Filed: December 19, 1963
[ SHOCK AND THERMAL INSULATING JACKETS FOR FUSE TUBES ]
Owned by: GRANT PRIDECO, INC.
Serial Number: 72183256
GREEN THREAD
Filed: March 10, 1967
GLASS FIBER PRODUCTS-NAMELY, GLASS FIBER REINFORCED PIPE AND ACCESSORIES THEREFOR
Owned by: GRANT PRIDECO, INC.
Serial Number: 72266465
STAR
Filed: December 11, 1969
REINFORCED PLASTIC PIPE AND FITTINGS THEREFOR
Owned by: GRANT PRIDECO, INC.
Serial Number: 72345893
F-CHEM
Filed: October 5, 1970
PLASTIC PIPE AND FITTINGS
Owned by: GRANT PRIDECO, INC.
Serial Number: 72372575
TUBOSCOPE
Filed: October 24, 1972
INSTRUMENTS AND APPARATUS FOR THE NONDESTRUCTIVE INSPECTION AND TESTING OF RODS, PIPES AND TUBULAR GOODS
Owned by: GRANT PRIDECO, INC.
Serial Number: 72439203
SUM-MASTER
Filed: September 6, 1974
HYDRAULIC LOAD SENSING AND INDICATING SYSTEMS COMPRISING DIAL INDICATORS WITH LOAD TOTALIZERS, LOAD SENSING CELLS AND CONNECTING…
Owned by: GRANT PRIDECO, INC.
Serial Number: 73031323
BRANDT
Filed: April 5, 1978
SOLIDS CONTROL EQUIPMENT FOR THE DRILLING INDUSTRY COMPRISING SOLID SEPARATORS, MUD CLEANERS, MUD AGITATORS, CUTTINGS CLEANERS…
Owned by: GRANT PRIDECO, INC.
Serial Number: 73165113
HYDRA RIG
Filed: July 14, 1982
Hydraulic Rigs for Oil and Gas Wells; [ Wire Line Units; ] Hydraulic Jacks; Hydraulic Power Packs; [ Bridge Cranes; Winches…
Owned by: GRANT PRIDECO, INC.
Serial Number: 73374648
H R
Filed: July 14, 1982
Hydraulic Rigs for Oil and Gas Wells; [ Wire Line Units; ] Hydraulic Jacks; Hydraulic Power Packs; [ Bridge Cranes; Winches…
Owned by: GRANT PRIDECO, INC.
Serial Number: 73374649
TK
Filed: September 13, 1982
Powder and Liquid Formulated Coating Materials Ready for Application to Metal Surfaces to Provide Protective Plastic Coatings…
Owned by: GRANT PRIDECO, INC.
Serial Number: 73384773
SHAFFER
Filed: September 29, 1982
Metal Manually Operated Gate Valves
Owned by: GRANT PRIDECO, INC.
Serial Number: 73392329
POSLOCK
Filed: May 16, 1983
Blowout Preventers for Use in the Drilling of Oil and Gas Wells
Owned by: GRANT PRIDECO, INC.
Serial Number: 73425917
SONOSCOPE
Filed: September 23, 1983
Electronic Apparatus for Nondestructive Testing of Metals for Corrosion, Cracks, Wear, and Other Anomalies
Owned by: GRANT PRIDECO, INC.
Serial Number: 73445119
SPECTRUM
Filed: February 7, 1986
ELECTRONIC WELL DRILLING INSTRUMENT CONTROL CONSOLES
Owned by: GRANT PRIDECO, INC.
Serial Number: 73581859
CENTRICAST
Filed: June 8, 1987
PIPE AND TUBING OF FIBERGLASS AND/OR REINFORCED PLASTIC USED PRIMARILY IN THE OIL INDUSTRY OR THE PETROCHEMICAL INDUSTRY…
Owned by: GRANT PRIDECO, INC.
Serial Number: 73665084
KOOMEY
Filed: April 15, 1991
oil and/or gas well blowout preventer and subsea production equipment controllers and components thereof; namely, by hydraulically…
Owned by: GRANT PRIDECO, INC.
Serial Number: 74156845
SPHERICAL
Filed: April 29, 1991
blowout preventers used on oil and gas wells
Owned by: GRANT PRIDECO, INC.
Serial Number: 74161942
FIBERCAST
Filed: June 24, 1991
non-metallic pipes, tubing, fittings and custom designed products for use in the manufacture of items such as containers…
Owned by: GRANT PRIDECO, INC.
Serial Number: 74179165
WELLCHEK
Filed: May 27, 1992
inspection and analysis of drill pipe and other tubular goods
Owned by: GRANT PRIDECO, INC.
Serial Number: 74278978
TRUSCOPE
Filed: December 8, 1992
inspection services for pipelines and other tubular goods
Owned by: GRANT PRIDECO, INC.
Serial Number: 74338137
ATLAS BRADFORD
Filed: October 15, 1993
metal threaded connections, namely couplings, tubing, casing and liners used in the oil and gas industry, particularly in…
Owned by: GRANT PRIDECO, INC.
Serial Number: 74448148
DIAMONDBACK
Filed: January 13, 1994
screens for shale shakers
Owned by: GRANT PRIDECO, INC.
Serial Number: 74479400
ENDSONIC
Filed: October 18, 1994
inspection services for pipelines, drill pipe, and other tubular goods
Owned by: GRANT PRIDECO, INC.
Serial Number: 74586825
SILVER STREAK
Filed: June 28, 1995
abrasion resistant, non-metal, glass reinforced plastic pipes and fittings for use in industrial applications, such as in…
Owned by: GRANT PRIDECO, INC.
Serial Number: 74695612
AB
Filed: July 5, 1995
field repair and running of threaded tubing and casing connections for use in the drilling for and production of oil and…
Owned by: GRANT PRIDECO, INC.
Serial Number: 74697376
GRANT PRIDECO
Filed: September 28, 1995
machining services, namely, threading services for others on tubular goods and couplings used in the oil and gas industry…
Owned by: GRANT PRIDECO, INC.
Serial Number: 74735555
TRUSCOPE
Filed: December 8, 1992
ultrasonic instruments and apparatus for inspecting pipelines and other tubular goods
Owned by: GRANT PRIDECO, INC.
Serial Number: 74802059
PCWD
Filed: November 17, 1995
blowout preventers for controlling well pressure in oilfield operations and controls for actuating blowout preventers, sold…
Owned by: GRANT PRIDECO, INC.
Serial Number: 75021497
VSM 100
Filed: December 7, 1995
wire mesh screens for use on vibratory sifting and sieving shakers; shakers for sifting and sieving utilizing wire mesh…
Owned by: GRANT PRIDECO, INC.
Serial Number: 75028940
DT-2
Filed: May 28, 1996
oilfield tubular connectors, namely, metal riser connectors
Owned by: GRANT PRIDECO, INC.
Serial Number: 75110573
Z-CORE
Filed: January 23, 1997
glass fiber reinforced piping for use in chemical processing plants, phosphoric acid plants, pulp and paper mills, water…
Owned by: GRANT PRIDECO, INC.
Serial Number: 75229998
