AERODYNE
Filed: August 15, 1936
BLOWERS AND FANS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71382224
WAYTROL
Filed: September 30, 1936
CONSTANT WEIGHT FEEDERS, PARTICULARLY ADAPTED TO FEED GRANULAR MATERIALS SUCH AS CHEMICAL SALTS, QUARTZ, BORAX, FELDSPAR…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71383830
MAGNEX
Filed: August 24, 1937
FIRE BRICK
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71396717
ASHCROFT
Filed: September 7, 1940
PRESSURE GAUGES, INDICATING GAUGES, RECORDING GAUGES, WATER LEVEL GAUGES, INDICATING THERMOMETERS, RECORDING THERMOMETERS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71435764
JIGRIT
Filed: October 23, 1940
Grit Washing Apparatus in Sewage Disposal Plants
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 71437201
H-W KALA
Filed: April 5, 1956
FIRE BRICK
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72005837
NEO-RED
Filed: May 28, 1956
RUBBER STABILIZERS ATTACHABLE TO A DRILL STRING USED IN THE DRILLING OF WELLS TO PERFORM THE FUNCTION OF MAINTAINING THE…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72009126
YELLOWSTONE
Filed: October 9, 1956
BONDING AND JELLING MATERIALS-NAMELY, GROUND BENTONITE, FOR FOUNDRY SANDS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72017182
ARROWHEAD
Filed: October 9, 1956
BONDING AND JELLING AGENT TO STOP SEEPAGE IN PONDS, LAKES, IRRIGATION DITCHES, AND THE LIKE, AND TO PELLETIZE FEEDS-NAMELY…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72017185
SECURITY
Filed: December 18, 1956
CUTTING TOOLS INCLUDING ROCK BITS, REAMERS AND REPLACEMENT CUTTERS THEREFOR, HOLE OPENERS AND PARTS THEREOF, CASING SCRAPERS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72021250
FORM A PLUG
Filed: December 28, 1956
CLAY CEMENTS FOR OIL WELLS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72021822
SUPERBAR
Filed: January 24, 1957
BARYTES FOR USE IN DRILLING MUD
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72023181
OXIMIX
Filed: May 29, 1957
REFRACTORY RAMMING MIX OF MAGNESIA AND DOLOMITE
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72031008
SHORTY
Filed: October 2, 1957
TRAVELING BLOCKS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72038211
FABRIFORM
Filed: October 2, 1957
SHEAVES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72038212
RAMBLER
Filed: October 2, 1957
RIGS FOR DRILLING AND SERVICING WELLS AND FOR OTHER USES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72038213
KWIK-LIFT
Filed: October 2, 1957
MASTS FOR DRILLING AND SERVICING WELLS AND FOR OTHER USES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72038214
SUPER-YIELD
Filed: January 7, 1958
DRY MIXTURE OF GROUND SEMI-COLLOIDAL CLAY, HIGHLY COLLOIDAL CLAY, AND SODA ASH FOR USE IN DRILLING MUD
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72043560
SUPER-SEAL
Filed: January 7, 1958
CELLOPHANE FLAKES FOR USE IN DRILLING MUDS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72043561
SUPER-SAL
Filed: January 7, 1958
DRY GROUND NATIVE CLAY FOR USE IN DRILLING MUD
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72043562
PENSEAL
Filed: January 21, 1958
HIGH TEMPERATURE, AIR-SETTING BONDING MORTAR OF ALUMINA-SILICA COMPOSITION
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72044393
BLEND-O-MATIC
Filed: February 21, 1958
MEASURING FLUID DISPENSING PUMPS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72046384
LEROI
Filed: April 14, 1958
FLUID PRESSURE ACTUATED ROCK DRILLS, PARTS AND ATTACHMENTS FOR ROCK DRILLS, STOPERS, JUMBO ARMS, AIR LEGS, AIR LINE OILERS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72049640
LEROI
Filed: April 14, 1958
FLUID PRESSURE ACTUATED ROCK DRILLS, PARTS AND ATTACHMENTS FOR ROCK DRILLS AIR LINE OILERS, FLUID PRESSURE ACTUATED PAVING…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72049641
BIT LUBE E.P. ADDITIVE FOR MUD
Filed: April 28, 1958
FORMULATED PRODUCT CONTAINING ORGANIC AND INORGANIC COMPOUNDS FOR USE IN ADDING TO DRILLING MUD TO IMPART EXTREME PRESSURE…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72050498
APACHE
Filed: May 1, 1958
HIGH ALUMINA PLASTIC FIRE BRICK
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72050797
CHROMEPAK
Filed: May 6, 1958
CHROME MAGNESITE REFRACTORY CASTING MIX
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72051126
GLASGRAIN
Filed: May 2, 1958
FUSED SILICA
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72052611
AUTO-BOND
Filed: October 30, 1958
LOW VISCOSITY SODIUM BASE BENTONITE WITH LOW GELLING PROPERTIES FOR USE AS A BONDING AGENT IN FOUNDRY MOULDING SANDS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72061640
S-K
Filed: November 24, 1958
SOCKET WRENCHES, SOCKET WRENCH SETS, SOCKETS FOR WRENCHES, INDIVIDUAL SOCKETS AND HANDLES, TOOL BOXES, BOX END WRENCH SETS…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72063105
SPASAVER
Filed: November 24, 1958
DISPLAY BOARDS FOR WRENCHES AND PLIERS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72063106
CORALBOND
Filed: February 2, 1959
HIGH ALUMINA REFRACTORY BONDING MORTAR
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72066881
SUPERBEN
Filed: February 3, 1959
GROUND BENTONITE FOR USE IN DRILLING MUD
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72067029
MAGCONATE
Filed: February 4, 1959
PETROLEUM SULFONATE EMULSIFIER FOR DRILLING MUD
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72067071
"SHAW-MATIC"
Filed: February 4, 1959
ELECTRIC MOTORS OF THE TYPE INCORPORATING A SPEED CONTROLLED BRAKE INTENDED PRIMARILY FOR BRIDGE AND TROLLEY AND HOISTING…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72067072
HI-HOOK
Filed: February 4, 1959
HOISTS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72067073
SHELROCK
Filed: May 14, 1959
Bricks, Blocks, and Special Shaped Molded Amorphous Silica for Refractory Uses
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72073686
MASROCK
Filed: May 14, 1959
Bricks, Blocks and Special Shaped Molded Amorphous Silica for Refractory Uses
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72073687
Image Trademark
Filed: June 22, 1959
Circular Abrasive Blades
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72076182
TOUCH-A-MATIC
Filed: September 11, 1959
Masonry Saw
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 72081180
