Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: O Mara; David P. Address: Canyon Country, CA No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 5667364 Downhole hydraulic pump apparatus having a "free" jet pump and safety valve assembly and method September 16, 1997 A downhole hydraulic pump apparatus for a well assembly including a rigid, elongated production tubing extending into a formation producing production fluid. The hydraulic pump apparatus includes an elongated tube and a bottom-hole assembly mounted to a lower end of the elongated tube.       Recently Added Patents Service-oriented protection scheme for a radio access network Semiconductor device with reduced transistor breakdown voltage for preventing substrate junction currents Four point seat belt system Oil gels of controlled distribution block copolymers and ester oils Straight shot Mechatronic hybrid transmissions having two planetary gear sets and three motor/generators High integrity polyester strapping   Randomly Featured Patents Composite porous material, process for production and separation of metallic element Vidicon image motion compensation technique Mounting wrench for a garbage disposal Device for four-dimensional representation of a structural variation, in particular of the course of a disease Laser beam printer Ski rack Fishing lure Assembly kit for making structural element Image display device and driver circuit therefor Installation for ramming the material constituting the refractory lining of a metallurgical vessel © 2006. PatentGenius. All Rights Reserved.