Inventor · Greenfield, IN, US

Robert C. Davis

62Patents
16h-index
63Co-inventors
87Inventor score

Filing activity: Jul 17, 1975 → Jul 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US4291277A Adaptive predistortion technique for linearizing a power amplifier for digital data systems Electricity 134 Expired
US5053343A Selective ionization of gas constituents using electrolytic reactions Emerging Cross-Sectional Technologies 63 Expired
US6991384B1 Camera tripod rotating head Mechanical Engineering; Lighting; Heating 63 Expired
US6081158A Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system Electricity 58 Expired
US4015238A Metric updater for maximum likelihood decoder Electricity 45 Expired
US4737825A Printer with traversing lens and printing method Physics 44 Expired
US4468786A Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system Electricity 38 Expired
US4583186A Computerized video imaging system Physics 36 Expired
US4839143A Selective ionization of gas constituents using electrolytic reactions Physics 35 Expired
US7756251B2 X-ray radiation window with carbon nanotube frame Electricity 34 Active
US4435823A Adaptive equalizer capable of linear and nonlinear weighting Electricity 33 Expired
US4346473A Error correction coding method and apparatus for multilevel signaling Electricity 30 Expired
US4545054A Diode-configured Viterbi algorithm error correcting decoder for convolutional codes Electricity 24 Expired
US5969345A Micromachined probes for nanometer scale measurements and methods of making such probes Emerging Cross-Sectional Technologies 24 Expired
USD531479S1 Hammer handle with butt end General 23 Expired
US5021654A All ceramic ion mobility spectrometer cell Physics 22 Expired
US4649042A Rumen delivery device Human Necessities 15 Expired
US8989354B2 Carbon composite support structure Electricity 15 Active
US4050334A Zee wrench Performing Operations; Transporting 14 Expired
US4593930A Running gear for a trailer vehicle Emerging Cross-Sectional Technologies 14 Expired
US4744954A Amperometric gas sensor containing a solid electrolyte Physics 13 Expired
US9502206B2 Corrosion-resistant, strong x-ray window Electricity 12 Active
US4843615A CPFSK communication system employing nyquist-filtered modulator/demodulator Electricity 11 Expired
US4071829A Coherent phase detector using a frequency discriminator Electricity 11 Expired
USD291190S Suspension unit for wheels of a vehicle General 9 Expired

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