OTIS-"FIRST IN PRESSURE CONTROL"
Filed: December 19, 1958
Well Drilling, Production, and Maintenance Services
Owned by: Otis Engineering Corporation
Serial Number: 72064650
OTIS - "FIRST IN GAS LIFT CONTROL"
Filed: December 19, 1958
OIL AND GAS WELL PRODUCTION AND MAINTENANCE SERVICES.
Owned by: Otis Engineering Corporation
Serial Number: 72064651
SPREADMASTER
Filed: October 15, 1965
GAS LIFT VALVES AND PARTS THEREFOR
Owned by: Otis Engineering Corporation
Serial Number: 72230277
PILO-PORT
Filed: October 15, 1965
GAS LIFT VALVES
Owned by: Otis Engineering Corporation
Serial Number: 72230278
OTIS
Filed: November 4, 1965
OIL AND GAS WELL TOOLS-NAMELY, TUBING GAGES, CASING GAGES, TUBING CALIPERS, CASING CALIPERS, FLUID PRESSURE PIPE AND JOINT…
Owned by: Otis Engineering Corporation
Serial Number: 72232140
OECO
Filed: March 7, 1972
WINCHES FOR OILFIELD, OCEANOGRAPHIC, AND BALLOON TETHERING APPLICATION, HOISTS AND WINCHES FOR BALLOON MOORING AND ELEVATED…
Owned by: Otis Engineering Corporation
Serial Number: 72417648
RATCH-LATCH
Filed: August 20, 1973
SUBSURFACE WELL COMPLETION EQUIPMENT-NAMELY, LOCATING AND LOCKING DEVICES SUCH AS LANDING NIPPLES, ADJUSTABLE UNIONS, TUBING…
Owned by: Otis Engineering Corporation
Serial Number: 72466141
VARIACS
Filed: June 10, 1976
HYDRAULIC PUMPS AND MOTORS
Owned by: Otis Engineering Corporation
Serial Number: 73089904
Image Trademark
Filed: March 20, 1978
MANUFACTURING OF HYDRAULIC EQUIPMENT AND SYSTEMS TO THE ORDER AND SPECIFICATION OF CUSTOMERS AND REPAIR SERVICES IN THE…
Owned by: Otis Engineering Corporation
Serial Number: 73162876
OWASP
Filed: December 4, 1978
Oil and Gas Reservoir and Well Analysis
Owned by: Otis Engineering Corporation
Serial Number: 73195351
PERMA-DRILL
Filed: February 14, 1979
OIL AND GAS WELL PRODUCTION TOOLS-NAMELY, PACKERS AND PARTS THEREFOR
Owned by: Otis Engineering Corporation
Serial Number: 73203807
OTEK
Filed: August 6, 1979
LIFT TRUCKS
Owned by: Otis Engineering Corporation
Serial Number: 73226111
PREMIUM THREADING SERVICES
Filed: September 10, 1979
Pipe Threading Services
Owned by: Otis Engineering Corporation
Serial Number: 73230569
PTS
Filed: September 10, 1979
Pipe Threading Services
Owned by: Otis Engineering Corporation
Serial Number: 73230616
SUN CONTRACTORS
Filed: November 7, 1979
Marine Construction and Repair Services of Boats Used in the Oil and Gas Industry-Namely, Lift Boats, Self-Elevating Workover…
Owned by: Otis Engineering Corporation
Serial Number: 73238117
PWT
Filed: November 15, 1979
Analyzing Oil and Gas Well Reservoirs, Measuring Flow Rates and Oil and Gas Well Testing Services
Owned by: Otis Engineering Corporation
Serial Number: 73239385
SEWOP
Filed: December 17, 1979
Well-Maintenance Services, Wireline and Pipe Handling Services, and Pipe Line Inspection and Repair Services
Owned by: Otis Engineering Corporation
Serial Number: 73243274
R
Filed: April 4, 1980
Down Hole Production Equipment for Wells-Namely, Lock Mandrels, Landing Nipples and Running Tools
Owned by: Otis Engineering Corporation
Serial Number: 73257112
Q
Filed: April 17, 1980
Quality Control and Quality Assurance Services Including but Not Limited to Bend Testing, Material Certification, Nondestructive…
Owned by: Otis Engineering Corporation
Serial Number: 73258519
OTIS QUALITY
Filed: April 18, 1980
Quality Control and Quality Assurance Services-Namely, for Well Tools and Well Drilling, Producing and Servicing Equipment…
Owned by: Otis Engineering Corporation
Serial Number: 73258589
THRUSTMASTER
Filed: July 14, 1980
Hydraulic Motors
Owned by: Otis Engineering Corporation
Serial Number: 73269918
OECO
Filed: September 8, 1980
Cranes
Owned by: Otis Engineering Corporation
Serial Number: 73276986
COMPAC
Filed: October 7, 1980
OIL AND GAS WELL TESTING SERVICES INCLUDING BUT NOT LIMITED TO MEASUR ING FLOW RATES, TREATING FORMATION FLUIDS AND SEPARATING…
Owned by: Otis Engineering Corporation
Serial Number: 73280810
THERMA-TRIEVE
Filed: June 3, 1981
Oil and Gas Well Production Tools-Namely, Packers and Parts Therefor
Owned by: Otis Engineering Corporation
Serial Number: 73313080
FIRST IN PRESSURE CONTROL
Filed: October 23, 1981
Repair of Oil Field Service Equipment; Installation and Repair of Surface Safety Valve Equipment
Owned by: Otis Engineering Corporation
Serial Number: 73333864
PWT SERVICES
Filed: October 26, 1981
Analyzing Oil and Gas Reservoirs, Measuring Flow Rates and Oil and Gas Well Testing Services
Owned by: Otis Engineering Corporation
Serial Number: 73333981
1 OTIS
Filed: November 25, 1981
Repair of Liner Hangers, Packers, Gas Lift Equipment, Surface and Subsurface Safety Valves in Oil and Gas Wells; Maintenance…
Owned by: Otis Engineering Corporation
Serial Number: 73338829
OTIS OTIS
Filed: March 22, 1982
Oil and Gas Well Services-Namely, Wireline Services; Installing and Removing Subsurface Devices by Flexible Wire; Valve…
Owned by: Otis Engineering Corporation
Serial Number: 73355867
FIRST IN GAS LIFT CONTROL
Filed: June 11, 1982
Oil and Gas Well Maintenance Services-Namely, Installation, Manipulation, Removal, Repair and Maintenance of Fluid Flowing…
Owned by: Otis Engineering Corporation
Serial Number: 73369123
SPREADMASTER II
Filed: January 5, 1983
Automatic Gas Injection Valves for Use in Oil Production
Owned by: Otis Engineering Corporation
Serial Number: 73399495
OTIS-"FIRST IN GAS LIFT CONTROL"
Filed: October 1, 1982
Oil and Gas Well Production and Maintenance Services, Including Installation Adjustment, Manipulation, Removal, Repair and…
Owned by: Otis Engineering Corporation
Serial Number: 73403321
HI STRENGTH TRU-GUIDE
Filed: June 10, 1983
Side-Pocket Tubing Mandrel for Flow Conductors in Sub-Surface Wells
Owned by: Otis Engineering Corporation
Serial Number: 73429662
ODAS
Filed: June 21, 1984
DATA GATHERING AND PROCESSING SERVICES, IN THE FIELD OF PRODUCTION WELL TESTS FOR RESERVOIR ANALYSIS
Owned by: Otis Engineering Corporation
Serial Number: 73486311
PREVISE
Filed: July 9, 1984
Oil and Gas Reservoir and Well Analysis Services
Owned by: Otis Engineering Corporation
Serial Number: 73488889
CB
Filed: July 9, 1984
BURNERS USED FOR THE DISPOSAL OF GAS AND OIL BY BURNING AS REQUIRED IN WELL TESTING, RESERVOIR ANALYSIS AND GENERAL DISPOSAL…
Owned by: Otis Engineering Corporation
Serial Number: 73489128
SEWOP
Filed: August 16, 1984
SELF ELEVATING WORK PLATFORM VESSELS WHICH PROVIDE THE FOLLOWING SERVICES: WELL-MAINTENANCE, WIRELINE AND PIPE HANDLING,…
Owned by: Otis Engineering Corporation
Serial Number: 73495091
WTS
Filed: November 13, 1984
ANALYZING OIL, GEOTHERMAL AND GAS WELL RESERVOIRS, MEASURING FLOW RATES, AND OIL, GEOTHERMAL AND GAS WELL TESTING SERVICES…
Owned by: Otis Engineering Corporation
Serial Number: 73508200
WTS
Filed: November 23, 1984
ANALYZING OIL, GEOTHERMAL AND GAS WELL RESERVOIRS, MEASURING FLOW RATES, AND OIL, GEOTHERMAL AND GAS WELL TESTING SERVICES…
Owned by: Otis Engineering Corporation
Serial Number: 73510185
LIFTMASTER
Filed: February 8, 1985
DUAL-ACTING RECIPROCATING BOTTOMHOLE GAS-ACTIVATED PUMPS DESIGNED TO PRODUCE OIL FROM WELLS WHOSE PRESSURE IS INSUFFICIENT…
Owned by: Otis Engineering Corporation
Serial Number: 73521329
INTER-LOCK
Filed: July 29, 1985
OIL AND GAS WELL PRODUCTION TOOLS - NAMELY PACKERS AND PARTS THEREFORE
Owned by: Otis Engineering Corporation
Serial Number: 73550532
