EMSCO
Filed: July 13, 1993
oil and gas processing equipment; namely, positive displacement pumps
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 74412475
NOW
Filed: October 24, 1995
machines for the production and drilling of oil
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75009563
NOW
Filed: October 24, 1995
machines for the production and drilling of oil
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75009877
MISSION-FLUID KING
Filed: May 13, 1997
oil well pumps and replacement parts for oil well pumps
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75291300
RH CONTROLS
Filed: July 7, 1997
electrical power supply control systems, comprising silicon controlled rectifier drives, motor controllers, generator controllers…
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75320049
THYRIG
Filed: March 9, 1998
systems, namely, air-cooled solid state electro-electronic devices for the conversion of constant 3 phase AC power in controlled…
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75446488
NETMARC
Filed: April 20, 1998
brokerage in the field of industrial equipment
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75470965
NOI
Machines for use in the production of oil and gas from wells and for the drilling of oil and gas wells, namely, derricks…
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 75740816
NATOIL
Custom manufacture of comprehensive drilling, rigging, and distribution systems and components therefore used in oil and…
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 76073372
WHEATLEY
PUMPS FOR THE PETROLEUM, PETROCHEMICAL, AND CHEMICAL INDUSTRIES, NAMELY, PLUNGER PUMPS AND PISTON PUMPS
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 76163318
HIP LEG
Derrick structure used to support drill pipes and drilling equipment above ground
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 76333604
HITEC
Remotely operated machinery for drilling and other oilfield activities, namely, handling and hoisting systems comprised…
Owned by: NATIONAL -OILWELL, L.P.
Serial Number: 78442796
