Inventor · Frisco, TX, US

Robert Michael

14Patents
11h-index
18Co-inventors
69Inventor score

Filing activity: Aug 12, 1992 → Oct 29, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US6588507B2 Apparatus and method for progressively gravel packing an interval of a wellbore Fixed Constructions 105 Expired
US7404416B2 Apparatus and method for creating pulsating fluid flow, and method of manufacture for the apparatus Emerging Cross-Sectional Technologies 96 Expired
US7199480B2 Vibration based power generator Electricity 90 Expired
US6504258B2 Vibration based downhole power generator Electricity 66 Expired
US6768214B2 Vibration based power generator Electricity 56 Expired
US6702019B2 Apparatus and method for progressively treating an interval of a wellbore Fixed Constructions 48 Expired
US6772837B2 Screen assembly having diverter members and method for progressively treating an interval of a welibore Fixed Constructions 42 Expired
US6776238B2 Single trip method for selectively fracture packing multiple formations traversed by a wellbore Fixed Constructions 36 Expired
US6543544B2 Low power miniature hydraulic actuator Mechanical Engineering; Lighting; Heating 24 Expired
US6644404B2 Method of progressively gravel packing a zone Fixed Constructions 20 Expired
US6801135B2 Webserver-based well instrumentation, logging, monitoring and control Physics 15 Expired
US5284320A Surface valve with pressure energized seal and gear actuation Mechanical Engineering; Lighting; Heating 10 Expired
US8757256B2 Orbital downhole separator Performing Operations; Transporting 7 Active
US9850752B2 Hydraulically-metered downhole position indicator Fixed Constructions 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.