Inventor · Minneapolis, MN, US

Joseph E. Killpatrick

28Patents
10h-index
20Co-inventors
75Inventor score

Filing activity: Jan 11, 1961 → Apr 11, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5486920A Laser gyro dither strippr gain correction method and apparatus Physics 70 Expired
US5088825A Housing and support assembly for ring laser gyroscope Physics 22 Expired
US5489981A Microprocessor controlled anglaser gyropower control system Physics 18 Expired
US6208414A Modular laser gyro Physics 18 Expired
US5371754A Laser gyro single transformer power supply Electricity 16 Expired
US4751718A Dither suspension mechanism for a ring laser angular rate sensor Physics 13 Expired
US5088824A Laser beam control for a ring-laser gyro Electricity 13 Expired
US5225889A Laser gyro dither drive Physics 13 Expired
US5450198A Laser gyro microprocessor based smart mode acquisition and high performance mode hopping Physics 11 Expired
US4208024A Control apparatus Mechanical Engineering; Lighting; Heating 10 Expired
US5438410A Ring laser gyro bias drift improvement method and apparatus Physics 9 Expired
US4826320A Dither signal remover for a dithered ring laser angular rate sensor Physics 8 Expired
US5390019A Laser gyro built in test method and apparatus Physics 8 Expired
US5249031A Ring laser gyro dither stripper Physics 8 Expired
US5719675A Laser gyro life prediction Electricity 7 Expired
US6476918B1 Dither control system for a ring laser gyro Physics 6 Expired
US5663792A Transverse mode selected operation for a ring laser Electricity 6 Expired
US5414727A Active current control apparatus Physics 6 Expired
US5363194A Laser gyro microprocessor start up control method and apparatus Physics 6 Expired
US5406369A Laser gyro microprocessor configuration and control Physics 5 Expired
US5329355A Dither stripper to leave base motion Physics 4 Expired
US5233406A Recessed center post mounted dither system Physics 4 Expired
US6618151B2 Ring laser gyroscope with offset aperture Physics 3 Expired
US5299211A Laser gyro high voltage start module and high voltage pulse generator Electricity 3 Expired
US6683692B2 Dither system for motion sensors Physics 2 Expired

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