MAN GUARD
Filed: September 14, 1978
LOAD LIMITING APPARATUS FOR HOISTS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73185703
STARLITE
Filed: October 16, 1978
SILICA REFRACTORIES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73189982
WHITNEY
Filed: October 23, 1978
Roller Chain, Block Chain, Leaf Chain, Silent (Inverted Tooth) Chain, Mine Chain, Conveyor Chain, Self-Lubricating Chain…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73190485
HARCON
Filed: November 6, 1978
REFRACTORY SHAPES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73192345
MAGCO-PEL
Filed: December 11, 1978
ANIMAL FOOD SUPPLEMENT ADDITIVE AND PELLETIZING AGENT
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73196572
MAGCO LUBE II
Filed: December 11, 1978
Additive for Drilling Fluid for Oil Field Use to Improve Lubricating Properties
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73196574
MAGCO-CFL
Filed: February 16, 1979
DRILLING FLUID ADDITIVES
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73204197
POLY-MIX
Filed: March 9, 1979
Drilling Fluid Additives for Use in Oil and Gas Wells
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73206727
COALPAK
Filed: April 6, 1979
TRUCKS AND STRUCTURAL PARTS THEREFOR
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73210494
UNITROL
Filed: May 4, 1979
Pumping Unit Controls-Namely, Electro-Mechanical Controls for Oil Well Pumping Jacks
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73214365
AZSCOT
Filed: June 7, 1979
Non-Basic Refractory Shapes
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73218793
SEAL-PLUS
Filed: June 12, 1979
Pipe Joint Sealant
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73219534
GALION
Filed: June 27, 1979
Road Planers and Parts Therefore
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73221376
M MARION
Filed: June 29, 1979
Excavators-Namely, Draglines and Mining Shovels; Blast Hole Drills; and Parts for the Foregoing
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73221739
MAGCO RAPID-FOAM
Filed: August 13, 1979
Foaming Agents Used in Water, Petroleum, Gas and Mineral Drilling Operations
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73227308
PROLOG
Filed: December 5, 1979
Well Logging Services, Particularly to Measuring and Providing a Log of Characteristic Properties of Earth Formations Surrounding…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73241684
DATREX
Filed: December 6, 1979
Gathering and Transmission of Geological and Geophysical Data in Connection with Oil or Gas Well Analysis
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73241832
CHES II
Filed: December 17, 1979
Well Logging Services, Particularly to Measuring and Providing a Log of Characteristic Properties of Earth Formations Surrounding…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73243337
AGGREGATOR
Filed: January 4, 1980
Diamond Abrasive Blades for Use in Machines and Concrete Sawing Machines
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73245030
AGGREGATOR
Filed: January 4, 1980
Diamond Abrasive Blades for Use in Machines, and Concrete Sawing Machines
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73245034
GUIBERSON
Filed: January 7, 1980
Thread Compound Such as May Be Used for Sealing, Lubricating and/or Corrosion Protection in Threaded Joints
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73245366
K-STICK
Filed: March 17, 1980
Printed Slide Charts for Calculating Thermal Conductivity and Heat Transfer
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73254473
STAR DASH
Filed: May 19, 1980
Refractory Shapes and Parts Therefor
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73262901
DR-1
Filed: September 11, 1980
Steering Assembly for Railroad Trucks-Namely, Steering Arms and Resilient Steering Pads
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73277488
FRACLOG
Filed: February 23, 1981
Well Logging Services-Namely, Measuring and Providing a Log for Fracture Identification of Formations Surrounding Boreholes…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73298322
PERMASEAL II
Filed: March 16, 1981
Belt Idlers
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73301481
ULTRASEAL II
Filed: March 16, 1981
Belt Idlers
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73301482
HYDRA-CUSHION II
Filed: March 24, 1981
Cushion Underframes for Railroad Cars
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73303633
GUIDE-TRAK
Filed: April 13, 1981
Rock Bits for Oil and Gas Well Drilling
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73305586
POLY-AIRE
Filed: November 30, -0001
DRILL BITS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73344849
CORROSION
Filed: January 27, 1982
DETECTING AND TREATING CORROSION OF TUBULAR GOODS IN OIL GAS AND SIMILAR WELLS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73347362
DRILL FAZE
Filed: January 27, 1982
HIGH FLUID LOSS OIL IN MUD SYSTEMS
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73347363
MAGCO POLYPAC
Filed: February 11, 1982
High Molecular Weight Polymer
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73349881
DATA STAR
Filed: February 11, 1982
A DATA ACQUISITION, DISPLAY, AND RECORDING SYSTEM COMPRISING A COMPUTER, A VISUAL DATA DISPLAY, A DATA PRINTER, A DATA RECORDING…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73349891
ACCOUSTILOG
Filed: February 16, 1982
Well Logging Services
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73350458
FAZETROL
Filed: February 16, 1982
Fluid Loss Control Additives for Oil Base Muds Used in Oil Drilling
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73350486
STRAT-X
Filed: April 28, 1982
Rock Drill Bits
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73361862
MAGCO-DWA
Filed: May 18, 1982
Drilling Fluid Additives
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73365261
PRODIP
Filed: July 15, 1982
Providing Information About Characteristics of Subsurface Earth Formations for the Energy and Mineral Industries by Computerized…
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73374899
FLUID-PLATE
Filed: July 19, 1982
Apparatus for Treating Industrial Gases-Namely, Electrostatic Precipitators and Parts Thereof
Owned by: DRESSER INDUSTRIES, INC.
Serial Number: 73375059