Equalizing flapper for high slam rate applications

Equalizing mechanism

Equi-pressure geosteering

Equilateral strand composite lumber and method of making same

Equilibrated hinge with variable frictional torque

Equipment and method for reinforcing a borehole of a well...

Equipment for a well penetrating a formation located below a...

Equipment for boring mountings including an operating...

Equipment for carrying out work, under dry conditions, on an...

Equipment for cleaning railway tracks

Equipment for clearing snow by melting

Equipment for controlling amount of water used for binding dust

Equipment for extracting oil or gas from under the sea bed...

Equipment for fastening rails

Equipment for intercepting and diverting a liquid...

Equipment for raise mining

Equipment for remote launching of cementing plugs into...

Equipment for rod string, namely a drill string, having a...

Equipment for supersonic drilling of rocky strata below the...

Equipment for use in drilling offshore wells