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LIEBER PATENTS CORP

Overview
  • Total Patents
    11
About

LIEBER PATENTS CORP has a total of 11 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets audio-visual technology and machines are UNITED REPRODUCERS PATENTS COR, ELECTRONIC RES ASS and ZORZO CO LTD.

Patent filings in countries

World map showing LIEBER PATENTS CORPs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 2
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing LIEBER PATENTS CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology
#2 Machines

Top inventors

# Name Total Patents
#1 Hugo Lieber 6
#2 Lieber Hugo 2
#3 Christ Nicholides Emmanuel 1
#4 Dora Lieber 1

Latest patents

Publication Filing date Title
US2241093A Hearing aid
US2077426A Bone conduction hearing aid device
US2122429A Hearing aid
US2151706A Bone-conduction hearing-aid vibrator
US2077425A Bone conduction hearing-aid
US1939627A Microphonic amplifier hearing-aid device
US1940553A Hearing-aid device
CA370531A Hearing-aid
CA346214A Hearing-aid device