Inventor · Täby, SE

Christopher Harris

39Patents
20h-index
42Co-inventors
81Inventor score

Filing activity: Oct 24, 2002 → Apr 2, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7121342B2 Thermal processes for subsurface formations Fixed Constructions 333 Expired
US6991045B2 Forming openings in a hydrocarbon containing formation using magnetic tracking Emerging Cross-Sectional Technologies 209 Expired
US7121341B2 Conductor-in-conduit temperature limited heaters Electricity 196 Expired
US7370704B2 Triaxial temperature limited heater Electricity 149 Active
US7360588B2 Thermal processes for subsurface formations Fixed Constructions 147 Active
US7490665B2 Variable frequency temperature limited heaters Electricity 141 Expired
US7383877B2 Temperature limited heaters with thermally conductive fluid used to heat subsurface formations Electricity 140 Expired
US7481274B2 Temperature limited heaters with relatively constant current Electricity 134 Active
US7793722B2 Non-ferromagnetic overburden casing Emerging Cross-Sectional Technologies 94 Active
US7326971B2 Gallium nitride based high-electron mobility devices Electricity 76 Expired
US8042610B2 Parallel heater system for subsurface formations Emerging Cross-Sectional Technologies 74 Active
US7364988B2 Method of manufacturing gallium nitride based high-electron mobility devices Electricity 73 Expired
US8224165B2 Temperature limited heater utilizing non-ferromagnetic conductor Emerging Cross-Sectional Technologies 68 Active
US7745851B2 Polytype hetero-interface high electron mobility device and method of making Electricity 68 Active
US8355623B2 Temperature limited heaters with high power factors Electricity 68 Active
US8200072B2 Temperature limited heaters for heating subsurface formations or wellbores Electricity 57 Active
US8238730B2 High voltage temperature limited heaters Electricity 55 Active
US8224164B2 Insulated conductor temperature limited heaters Electricity 49 Active
US8881806B2 Systems and methods for treating a subsurface formation with electrical conductors Emerging Cross-Sectional Technologies 40 Active
US8611834B2 Matching network for transmission circuitry Electricity 26 Active
US7355223B2 Vertical junction field effect transistor having an epitaxial gate Electricity 16 Expired
US9080917B2 System and methods for using dielectric properties of an insulated conductor in a subsurface formation to assess properties of the insulated conductor Physics 12 Active
US9051829B2 Perforated electrical conductors for treating subsurface formations Emerging Cross-Sectional Technologies 11 Active
US7279368B2 Method of manufacturing a vertical junction field effect transistor having an epitaxial gate Electricity 11 Expired
US8939207B2 Insulated conductor heaters with semiconductor layers Fixed Constructions 7 Active

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