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CHATHAM ELECTRONICS CORP

Overview
  • Total Patents
    22
About

CHATHAM ELECTRONICS CORP has a total of 22 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, measurement and control are THERMOCON INC, PHOTONIS and SHICHI HIROYASU.

Patent filings in countries

World map showing CHATHAM ELECTRONICS CORPs patent filings in countries
# Country Total Patents
#1 United States 17
#2 United Kingdom 5

Patent filings per year

Chart showing CHATHAM ELECTRONICS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watrous Jr Ward W 6
#2 Jr Ward Weston Watrous 4
#3 Carl Bosch 4
#4 Shamos Morris H 3
#5 Lupo Frank J 2
#6 Max Gerber 1
#7 Lehrer Norman H 1
#8 Jean Roudaut 1

Latest patents

Publication Filing date Title
US2700110A Gamma ray survey meter
GB713157A Improvements in anode structures
GB721983A Improvements in heat shielded cathode
GB705827A Improvements in electrode structures for gaseous discharge devices
US2700108A Gamma ray survey meter
US2644903A Self-starting electrostatic generator
GB707280A Improvements in control electrode for discharge tube
US2623975A Method of welding molybdenum
US2653261A Gas discharge device
US2594572A Voltage regulator
US2625675A Voltage regulator
US2610305A Control electrode for discharge tubes
US2650997A Heat shielded cathode
US2644101A Anode insulating structure
US2650998A Baffle structure in gaseous discharge devices
US2577542A Friction generator
US2610994A Electrostatic voltage multiplier
US2577446A Electrostatic voltage generator
US2562031A Corona voltage regulator tube
US2661456A Measuring instrument with electrostatic return torque