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UNITED REPRODUCERS PATENTS COR

Overview
  • Total Patents
    28
About

UNITED REPRODUCERS PATENTS COR has a total of 28 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets audio-visual technology and machines are LIEBER PATENTS CORP, ELECTRONIC RES ASS and HENRY RADIO HEINRICH & CO.

Patent filings in countries

World map showing UNITED REPRODUCERS PATENTS CORs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 9
#3 Germany 3
#4 France 3
#5 United Kingdom 3

Patent filings per year

Chart showing UNITED REPRODUCERS PATENTS CORs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Crozier William D 5
#2 Kyle Colin 5
#3 Colin Kyle 4
#4 Greaves Valentine F 2
#5 Ernst Klar 1
#6 Hawley Jesse B 1
#7 Grozier William D 1

Latest patents

Publication Filing date Title
US1844219A Sectional electrostatic sound producer
US1851240A Electrostatic sound producer
US1764008A Push-pull electrostatic sound reproducer
US1797778A Electrostatic device for sound reproduction
US1777397A Electrostatic pick-up device
US1789554A Electrostatic sound reproducer
US1777170A Acoustic device
US1745937A Acoustic device
US1809036A Electrostatic sound reproducer
US1813855A Electrostatical vibration structure
CA293623A Acoustic device
CA305228A Sectional electrostatic sound producers
CA293621A Electro-static sound reproducer
CA293622A Acoustic device
CA296930A Electrostatic sound producer
CA306401A Electro-acoustic apparatus
CA293626A Push-pull electro-static sound reproducer
CA291250A Acoustic device
CA293624A Electro-static sound reproducer