BAKER INTERNATIONAL CORPORATION

ALPHA

Manually-Operated Valves Made Primarily of Metal;

ASSP

Acid Soluble Cement-Type Coating for Screens Used in Subterranean Well Gravel Packing Operations;

BAKER BOND

No claim is made to exclusive use of Bond apart from the mark as shown in the drawing.;Chemicals Used in Gravel Packing Operations for Subterranean Wells;

BAKER CLEAN GEL

No claim is made to the exclusive right to use the words Clean Gel, apart from the mark as shown.;Carrier Fluid for Use in Conjunction with Completion and Workover Operations of Subterranean Wells;

BAKERLINE

PORTABLE HAND PUMPS, PIPE VISES, TUBING TONGS, AND THE LIKE USED IN THE DRILLING, COMPLETION AND WORKOVER OF SUBTERRANEAN OIL AND GAS WELLS;OIL FIELD CEMENTING EQUIPMENT SUCH AS CASING CENTRALIZERS, CASING SCRAPERS, TUBING CENTRALIZERS, BORE WALL SCRAPERS, STOP RINGS AND THE LIKE;THREAD SEALING AND LOCKING COMPOUNDS;

BAKERLOK

Compounds and Components Thereof for Locking and Sealing Threaded Joints;

GAULT

DRILL BITS, NAMELY INDUSTRIAL INSERT AND MILLED TOOTH BITS FOR ROCK AND EARTH DRILLING;

PERMALOGGER

Electronic Apparatus for the Printing and Display of Data Obtained from a Subterranean Well;

PETAL

WELL DRILLING TOOLS AND EQUIPMENT-VIZ, BASKET STRUCTURES FOR USE IN FORMING A BARRIER BETWEEN THE WELL CASING AND WELL BORE DURING CEMENTING OPERATIONS;

SELECT-A-FLOW

APPARATUS CARRIABLE ON A TUBLAR CONDUIT IN A SUBTERRANEAN WELL, NAMELY A SCREEN DEVICE PERMITTING PRODUCTION OF HYDROCARBONS THERETHROUGH;

SIGMA

MANUALLY OPERATED LOW PRESSURE PINCH VALVE.;

SIMPLEX

Tools for Completion and Workover of Subterranean Wells-Namely, Liner Hangers and Running Tools for Liner Hangers;

WELDLOK

Metallic Centralizers Adapted to Be Mounted on Well Casings, Liners, Tubings and Similar Conduit Strings for the Purpose of Centering Such Conduit Strings in Well Bores During the Completion of Subterranean Oil, Gas and Water Wells;