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MCBERTY FRANK ROBERT

Overview
  • Total Patents
    34
About

MCBERTY FRANK ROBERT has a total of 34 patent applications. Its first patent ever was published in 1896. It filed its patents most often in Canada, United Kingdom and Switzerland. Its main competitors in its focus markets electrical machinery and energy and telecommunications are HENRY S CONRAD, DAUM ALBERT F and JENSEN RASMUS JOHANNES.

Patent filings in countries

World map showing MCBERTY FRANK ROBERTs patent filings in countries
# Country Total Patents
#1 Canada 21
#2 United Kingdom 10
#3 Switzerland 2
#4 Denmark 1

Patent filings per year

Chart showing MCBERTY FRANK ROBERTs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Mcberty Frank Robert 32
#2 The Northern Electric And Manufacturing Company Li 2
#3 Frank Robert Mcberty 2
#4 The Western Electric Company 1
#5 The Northern Electric And Manufacturing Company 1
#6 Adams Arthur Herman 1

Latest patents

Publication Filing date Title
CA159477A Impulse sending mechanism
CA164455A Telephone exchange system selector
CA156519A Switch
GB191225174A Improvements in Telephone Exchange Systems.
GB191319421A Improvements in Telephone Exchange Systems.
CA162007A Telephone switching system
GB191123508A Improvement in Semi-automatic Telephone Exchange Systems.
CA166014A Telephone exchange
GB191208571A Improvements in Manual and Semi-automatic Telephone Exchange Systems.
GB191208572A Improvements in Automatic or Semi-automatic Telephone Exchange Systems.
GB191208573A Improvements in Automatic and Semi-automatic Telephone Exchange Systems.
GB191117211A Improvement in Semi-automatic Telephone Exchange Systems.
GB191116867A Improvement in Automatic Telephone Exchange Selector.
GB191116869A Improvements in Automatic and Semi-automatic Telephone Exchange Systems,
CA156383A Telephone exchange system
GB191103452A Improvement in Automatic Telephone System Selectors.
CA161418A Switch for telephone exchanges
CA139449A Telephone wiring system
CA146957A Party telephone line
CA163004A Switch contact