Inventor · Ham Lake, MN, US

John Bergman

10Patents
5h-index
3Co-inventors
59Inventor score

Filing activity: Mar 30, 1992 → Apr 4, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5686896A Low battery report inhibitor for a sensor Physics 254 Expired
US5686885A Sensor test method and apparatus Physics 243 Expired
US5477327A High resolution low noise optical polarimeter Physics 30 Expired
US5783745A Anemometer/thermometer Physics 18 Expired
US5223801A Crystal oscillator and transmitter operating at the third harmonic of the fifth overtone of a crystal Electricity 11 Expired
US9795976B2 Thermal fogger for creating stable aerosols Performing Operations; Transporting 4 Active
USD353147S Radial arm valve linkage General 3 Expired
US7952412B2 Audio device using AC power clock reference Physics 1 Active
US10953967B2 Underwater ROV (remotely operated vehicle) with a disruptor for eliminating underwater explosives Performing Operations; Transporting 1 Active
US8891250B2 Audio device with integrated switching power supply Electricity 0 Active

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