| FLOWDRIL FLOWDRIL CORPORATION
74178263 20 Jun 1991 | on 18 Sep 2004 | oil and gas well drilling services employing high pressure jets of wat... Class 037 Class 037 Construction and Repair Services oil and gas well drilling services employing high pressure jets of water for drilling | | | DHP FlowDril Corporation
75830741 20 Oct 1999 | on 23 Aug 2001 | Downhole fluid drill for drilling holes in the earth strata, and compo... Class 007 Class 007 Machinery Products Downhole fluid drill for drilling holes in the earth strata, and components for the same, namely, single or multiple piston mud pumps, valving and conduits, attentuators, filters, nozzles, nozzle with drill bits, operated either singularly or in conjunction with modified downhole pump motors, MWD tools, float subs, stabilizers | | | DHP FLOWDRIL CORPORATION
74660651 13 Apr 1995 | on 23 Oct 1999 | downhole fluid drill for drilling holes in the earth strata, and compo... Class 007 Class 007 Machinery Products downhole fluid drill for drilling holes in the earth strata, and components for the same, namely, single or multiple piston mud pumps, valving and conduits, attentuators, filters, nozzles, nozzle with drill bits, operated either singularly or in conjunction with modified downhole pump motors, MWD tools, float subs, stabilizers | |