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HERBERT FRIEDMAN

Overview
  • Total Patents
    43
About

HERBERT FRIEDMAN has a total of 43 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, measurement and engines, pumps and turbines are TOFWERK AG, KRATOS LTD and 1ST DETECT CORP.

Patent filings in countries

World map showing HERBERT FRIEDMANs patent filings in countries
# Country Total Patents
#1 United States 43

Patent filings per year

Chart showing HERBERT FRIEDMANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Herbert Friedman 42
#2 Chubb Talbot A 4
#3 Lester Wolfe 1
#4 Weiss Paul B 1
#5 Zisman William A 1
#6 Birks La Verne S 1
#7 Peter King 1
#8 Kupperian Jr James E 1
#9 Michael Mckeown 1
#10 Lawrence Dunkelman 1

Latest patents

Publication Filing date Title
US3329847A Stroboscopic x-ray tube
US3157812A Teflon coated photon counter tube
US3222560A Radiation sensitive spark tube
US3037387A Dew point indicator
US2998524A Monochromatic X-ray source
US2922911A Apparatus for gas analysis
US2901625A Ultra-violet gas analysis
US2836727A Voltage regulator
US2947871A Apparatus for determining the composition and thickness of thin layers
US2821633A Scintillator
US2926257A Method of measuring the thickness of thin coatings
US2964632A Coincidence-glow radiation detector
US2791712A Photomultiplier tube with spectral sensitivity limited to the ultraviolet
US2791716A Quick-firing corona regulator tube
US2918578A Gas detection
US2742586A Multi-section geiger-mueller counter
US2688097A Nitric oxide counter
US2673934A Radiation intensity measuring device
US2754056A Pulse rate counter
US2657316A Method of suppressing photoelectric threshold