GULFMASTER
Filed: October 2, 1972
CRANES, AND PARTS THEREOF, DESIGNED FOR THE OFFSHORE AND MARINE INDUSTRY
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 72437331
OCEANMASTER
Filed: October 2, 1972
CRANES AND PARTS THEREOF FOR THE OFFSHORE AND MARINE INDUSTRIES
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 72437332
GEMOCO
Filed: January 27, 1975
PIPE THREAD COMPOUNDS
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 73037995
STONEBOR
Filed: April 17, 1978
INJECTION PUMPS
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 73166847
BAYMASTER
Filed: June 23, 1982
Cranes and Parts Thereof for the Offshore and Marine Industries
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 73371216
AMERICAN AERO
Filed: October 4, 1982
Cranes and Parts Thereof for the Offshore and Marine Industries
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 73399584
W
Filed: April 27, 1984
OILFIELD CEMENTATION EQUIPMENT NAMELY TUBING AND CASING CENTRALIZERS, CEMENT BASKETS, SCRATCHERS, WELLBORE WIPERS, AND STOP…
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 73477654
GV2
Filed: November 6, 1986
FLOAT VALVES FOR USE IN DOWNHOLE DRILL PIPE
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 73628960
PACKWHIP
Filed: June 14, 1994
whipstocks for use in wellbores
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 74537326
CENTRAPRO
Filed: December 8, 1994
software services for downhole wellbore centralizer placement calculations and detailed hookload simulations
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 74608539
WIPERLOK
Filed: December 8, 1994
downhole wellbore cementing services
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 74608548
M.O.S.T.
Filed: December 8, 1994
machines, namely power-operated tools for retrieving wellheads
Owned by: WEATHERFORD, U.S., INC.
Serial Number: 74608549
