SERIES 10
Filed: August 26, 1985
OIL AND GAS WELL PRODUCTION EQUIPMENT, NAMELY, TUBING RETRIEVAL SUBSURFACE SAFETY VALVES
Owned by: Otis Engineering Corporation
Serial Number: 73555202
TRA
Filed: December 12, 1985
OIL AND GAS WELL CLEAN-UP SERVICES
Owned by: Otis Engineering Corporation
Serial Number: 73573105
TRA
Filed: December 12, 1985
OIL AND GAS WELL CLEAN-UP SERVICES
Owned by: Otis Engineering Corporation
Serial Number: 73573106
OTIS BLOWOUT RECOVERY TEAM
Filed: January 27, 1986
OIL WELL MAINTENANCE AND REPAIR SERVICES, NAMELY, BLOWOUT RECOVERY SERVICES, WELL CAPPING SERVICES AND PRESSURE CONTAINMENT…
Owned by: Otis Engineering Corporation
Serial Number: 73579434
BRT
Filed: January 27, 1986
OIL WELL MAINTENANCE AND REPAIR SERVICES, NAMELY, BLOWOUT RECOVERY SERVICES, WELL CAPPING SERVICES AND PRESSURE CONTAINMENT…
Owned by: Otis Engineering Corporation
Serial Number: 73579464
SEP-FLASH
Filed: December 8, 1986
OIL AND GAS RESERVOIR ANALYSIS AND WELL DATA ACQUISITION SERVICES
Owned by: Otis Engineering Corporation
Serial Number: 73634110
QUADMOD
Filed: December 8, 1986
OIL AND GAS RESERVOIR ANALYSIS AND WELL DATA ACQUISITION SERVICES
Owned by: Otis Engineering Corporation
Serial Number: 73634111
SAFETYSET
Filed: August 31, 1987
OIL AND GAS WELL DOWNHOLE SAFETY EQUIPMENT AND SERVICE TOOLS, NAMELY LOCK MANDRELS, UNLOCKING TOOLS, RUNNING TOOLS AND PRONG…
Owned by: Otis Engineering Corporation
Serial Number: 73681747
OSWOS
Filed: August 26, 1988
WIRELINE SERVICING OF OFFSHORE OIL AND GAS WELLS, BOTH STANDARD (SLICK) LINE AND ELECTRIC LINE OPERATIONS
Owned by: Otis Engineering Corporation
Serial Number: 73750098
SELECT-20
Filed: October 13, 1988
OIL AND GAS WELL PRODUCTION TFL (THROUGH FLOW LINE) COMPLETION EQUIPMENT AND PUMP-DOWN TOOLS; NAMELY, LANDING NIPPLES, LOCATOR…
Owned by: Otis Engineering Corporation
Serial Number: 73757405
OTIS
Filed: September 5, 1989
OIL AND GAS WELL SERVICES NAMELY, WIRELINE SERVICES; INSTALLING AND REMOVING SUBSURFACE DEVISES BY FLEXIBLE WIRE; VALVE…
Owned by: Otis Engineering Corporation
Serial Number: 73823271
INTER-LOCK
Filed: November 13, 1989
OIL AND GAS WELL DOWNHOLE EQUIPMENT AND SERVICE TOOLS, NAMELY SERVICE PACKERS AND PRODUCTION PACKERS
Owned by: Otis Engineering Corporation
Serial Number: 73837768
OPTIMIZER
Filed: January 16, 1990
electronic device for monitoring well conditions combined with electronic control device for controlling well production…
Owned by: Otis Engineering Corporation
Serial Number: 74019343
BI - O - PAC
Filed: July 2, 1990
sand control services for the oil and gas industry; completion of earth wells by the process generally known as gravel packing…
Owned by: Otis Engineering Corporation
Serial Number: 74074902
SEWOP
Filed: October 10, 1990
self-propelled mobile marine work platform equipped with retractable legs for above water elevation for use in service maintenance…
Owned by: Otis Engineering Corporation
Serial Number: 74104560
HOT PLUG
Filed: January 29, 1991
mechanically locked pressure holding plug for pressure testing well tubing which is set and retrieved by wireline
Owned by: Otis Engineering Corporation
Serial Number: 74134528
OTIS
Filed: February 4, 1991
oil and gas well services; namely, snubbing service, well workover services, reeled tubing services, installing and removing…
Owned by: Otis Engineering Corporation
Serial Number: 74136179
Image Trademark
Filed: March 9, 1992
lock mandrels for use in earth wells, such as oil, gas, water and environmental wells
Owned by: Otis Engineering Corporation
Serial Number: 74253075
HSSC
Filed: May 26, 1992
filtration devices for use in earth wells; namely, well screens and porous well filters
Owned by: Otis Engineering Corporation
Serial Number: 74278236
RPT
Filed: June 22, 1992
locking and sealing profiles for downhole tools for use in earth wells; namely, landing nipples
Owned by: Otis Engineering Corporation
Serial Number: 74286889
MERLA
Filed: August 24, 1992
side pocket mandrels, gas lift mandrels, mandrels for use in oil and gas wells; static design plungers for use in plunger…
Owned by: Otis Engineering Corporation
Serial Number: 74306696
OASIS
Filed: May 18, 1993
analysis services for determining forces, stresses and movements expected to occur in the tubing strings of earth wells…
Owned by: Otis Engineering Corporation
Serial Number: 74392298
