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AMERICAN AUTOMATIC TELEPHONE C

Overview
  • Total Patents
    12
About

AMERICAN AUTOMATIC TELEPHONE C has a total of 12 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United Kingdom, Austria and France. Its main competitors in its focus markets electrical machinery and energy are GEBAUER ECKEHARD, ZHEJIANG ZIGUANG ELECTRICAL CO LTD and SP K B KH ELEKTROAPPARATNOGO Z.

Patent filings in countries

World map showing AMERICAN AUTOMATIC TELEPHONE Cs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 Austria 3
#3 France 3
#4 Denmark 2

Patent filings per year

Chart showing AMERICAN AUTOMATIC TELEPHONE Cs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy

Focus technologies

# Technology
#1 Electric switches

Latest patents

Publication Filing date Title
GB191012614A Improvements in and relating to Automatic Telephone Systems.
GB190929963A Improvements in and relating to Automatic Telephone Systems.
GB191028057A Improvements in and relating to Electric Switches more especially suitable for Automatic Telephone Systems.
GB190925896A Improvements in and relating to Electric Selective Devices especially applicable to Telephone Systems and the like.