"Free" coil tubing downhole jet pump apparatus and method

A jet pump

Adjustable flow mini whirlpool jet

Air activated vacuum pump

Air flow amplifier

Air flow apparatus for liquid ring vacuum pump

Air injection sub

Air lift pump for wells, and means of controlling same by the fl

Air lift pump system

Air operated low pressure spraying system

Air operated pump

Air operated vacuum pump

Air pressure driven two way fluid evacuation and expulsion...

Air pump with primary and secondary inlet flow channels

Air pump with secondary air inlet

Air-operated pump

Air-operated pump with bladder-controlled inlet structure...

Air-operated pump with simplified inlet structure useful in...

Air-pressure actuated slurry pump

Animal scent attractant kits and methods