75577774
Oct 23, 1998
Oct 10, 2000
well drilling and production equipment consisting of submersible pumps, [ water well pumps, ]progressive cavity pumps, submersible electric motors, seal sections, for use in downhole installations including submersible pumps and motors, gas separators, switch boards, for use in connection with downhole equipment, variable speed drives, [ downhole temperature and pressure sensors, and horizontal pumping systems ] for use in oilfield and industrial applications
Machinery