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HAYES HARVEY C

Overview
  • Total Patents
    75
About

HAYES HARVEY C has a total of 75 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement, audio-visual technology and machines are DYNAMICS CORP MASSA DIV, SECOND WIND SYSTEMS INC and TRANSDUCER VALLEY INC.

Patent filings in countries

World map showing HAYES HARVEY Cs patent filings in countries
# Country Total Patents
#1 United States 72
#2 Canada 3

Patent filings per year

Chart showing HAYES HARVEY Cs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayes Harvey C 75
#2 Trent Horace M 2
#3 Odenweller Keith H 1
#4 Jones Thomas F 1
#5 Saxton Harold L 1
#6 Vernon George R 1
#7 Quimby Shirley L 1
#8 Steinberger Raymond L 1
#9 Mason Max 1
#10 Arnold Prescott N 1

Latest patents

Publication Filing date Title
US2561368A Electromagnetic underwater sound projector and receiver
US2559618A Supersonic apparatus
US2368218A Electrical prospecting
US3319735A Mechanical noisemaker
US2428799A Distance measuring
US2433845A Sound operated relay system
US2405575A Driver for electroacoustic transducers
US2396699A Detecting device
US2474842A Indicator
US2459162A Acoustical sound locating device
US2368217A Electrical prospecting
US2292376A Method of and means for generating intense sound signals in air
US2517565A Electrodynamic transceiver for transmission and reception of sound
US2434926A Underwater sound transmitter or receiver
US2411541A Acoustic wave generating or receiving apparatus
US2472107A Acoustical apparatus
US2527217A Housing for electroacoustical apparatus
US2064911A Sound generating and directing apparatus
US2105479A Apparatus for measuring thickness
US2098240A Navigation of aircraft