ROOTS
Filed: August 17, 1921
Rotary Blowers, Gas Pumps, Water Pumps, and Vacuum Pumps, Other than Rotary Positive Displacement Lobe Type Pumps, Blowers…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71151888
S
Filed: January 12, 1923
Journal Boxes for Railway Vehicles, Truck Side Frames, Draft-Rigging Parts-Namely, Yokes, Cheek Plates, Back Stops, and…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71174541
CARBONITE
Filed: February 27, 1925
SILICON CARBIDE ABRASIVE GRAINS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71210230
MASONEILAN
Filed: May 4, 1934
STEAM PRESSURE CONTROL DEVICES AND REGULATORS-NAMELY, REDUCING REGULATORS, EXCESS-PRESSURE REGULATORS, BACK-PRESSURE REGULATORS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71350903
STARBOND
Filed: August 9, 1940
Non-Hydraulic Refractory Bonding Materials
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71434830
MAGCOBAR
Filed: September 4, 1940
Ground Barytes
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71435658
S
Filed: April 23, 1942
Carbon Steel, Alloy Steel, Semisteel, Malleable and Grey Iron Castings
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71452543
CALSILITE
Filed: October 29, 1942
Thermal Insulation Material
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71456512
GEMSET
Filed: June 28, 1944
ABRASIVE WHEELS AND HONES CHARGED WITH DIAMOND PARTICLES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71471736
'TUGIT'
Filed: August 25, 1944
PULL CHAIN HOISTS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71473608
VEGA
Filed: December 4, 1944
FIRE BRICK
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71477193
FLEXROLL
Filed: April 6, 1945
CRUSHERS-NAMELY, MINERAL AND COAL CRUSHERS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71481791
FUT-SURE
Filed: May 17, 1945
FUSED ALUMINA ABRASIVES SOLD IN GRANULAR FORM IN BULK OR PLASTIC FORM AND IS USED FOR APPLICATION TO FLOORS AND OTHER SURFACES…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71483474
LIONBLAST
Filed: May 17, 1945
FUSED ALUMINA ABRASIVES IN GRANULAR FORM IN BULK AND FUSED ALUMINA AND SILICON CARBIDE FOR SANDBLASTING OR FOR VALVE GRINDING…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71483475
BAYFLEX
Filed: August 27, 1945
ABRASIVE AND GRINDING WHEELS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71487591
JEFFREY
Filed: December 5, 1947
ELECTRIC MOTOR CONTROLLERS FOR CONTROLLING THE STARTING, STOPPING, AND REVERSING OF ELECTRIC MOTORS, AND PARTS THEREOF,…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71543459
JEFFREY
Filed: December 5, 1947
[ BLOWERS AND EXHAUSTERS AND PARTS THEREOF , ] FANS (MINE VENTILATING) AND PARTS THEREOF, AND FAN BLADES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71543461
DRESSER
Filed: February 28, 1950
METAL COUPLINGS AND METAL CLAMPS FOR PIPE LINES, METAL FITTINGS FOR PIPE LINES-NAMELY, L'S, T'S, Y'S, CROSSES, ANGLES, CAPS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71593164
DRESSER
Filed: March 19, 1951
WRENCHES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71611505
DRESSER
Filed: April 6, 1951
PACKINGS AND GASKETS FOR PIPE COUPLINGS AND CLAMPS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71612314
BELL PACK
Filed: July 12, 1951
REPAIR SLEEVES FOR PIPE JOINTS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71616371
WAYNE
Filed: September 6, 1951
PIPELINE OR FLOW METERS; FUEL DISPENSERS AND MEASURING APPARATUS, INCLUDING REGISTERS, DIALS, COMPUTING DEVICES, MOTORS,…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71619424
HYDREPAIR
Filed: September 9, 1953
PIPE CLAMPS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71652923
HYDREPAIR
Filed: September 9, 1953
PIPE CLAMPS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71652924
INSULOK
Filed: March 25, 1954
PIPE COUPLINGS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71663261
CORGUN
Filed: December 7, 1955
TECHNICAL SERVICES IN THE OIL FIELDS, COMPRISING THE TAKING OF SAMPLES OF EARTH FORMATIONS FROM THE WALLS OF OIL AND GAS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71699576
360
Filed: June 10, 1958
PIPE CLAMPS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72053242
STOP-N-GO
Filed: March 4, 1959
PIPE FITTINGS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72068894
CHLORINILOG
Filed: April 20, 1959
Radioactivity Logging of Wells and Similar Earth Boreholes
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72071822
DIPLOG
Filed: May 7, 1959
Earth Borehole Surveying Service to Determine Borehole Drift, Formation Dips and Aid in the Location of Stratigraphic Traps…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72073081
SHO-PAK
Filed: June 22, 1959
Wrenches Mounted on Display Stands
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72076228
"KOOLIE HAT"
Filed: November 22, 1960
Grinding Wheels
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72108867
OXIBAK
Filed: February 17, 1961
Refractory Brick of Magnesia and Dolomite
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72113917
Image Trademark
Filed: February 20, 1961
Pneumatic Tools
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72114045
Image Trademark
Filed: February 20, 1961
Pneumatic Tools
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72114047
SILIGATE
Filed: May 24, 1961
TRANSISTORIZED PHASE-CONTROLLED NETWORKS CIRCUITRY
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72120706
THRIFTY-CUT
Filed: August 10, 1961
Grinding and Abrasive Wheels, Discs and Cutting-Off Blades
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72125729
COUNTER CURRENT
Filed: October 18, 1961
CENTRIFUGAL EXTRACTORS, CONTACTORS, AND SEPARATORS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72130193
UTIL-SEAL
Filed: October 30, 1961
KITS OF MATERIAL FOR REPAIRING PIPE COUPLINGS INCLUDING EPOXY RESIN AND ACTIVATOR THEREFOR
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72130891
THE HUSTLER
Filed: April 12, 1962
Resin-Bonded Abrasive Wheels, Discs and Cut-Off Blades
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72142074
