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FREDERICK CHARLES ALOYSIUS HAR

Overview
  • Total Patents
    13
About

FREDERICK CHARLES ALOYSIUS HAR has a total of 13 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom. Its main competitors in its focus markets textiles and paper are DUMITSKIJ VLADIMIR, DICTATYPE SHORTHAND MACHINE CO and INKE PTE LTD.

Patent filings in countries

World map showing FREDERICK CHARLES ALOYSIUS HARs patent filings in countries
# Country Total Patents
#1 United Kingdom 13

Patent filings per year

Chart showing FREDERICK CHARLES ALOYSIUS HARs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

# Technology
#1 Typewriters

Latest patents

Publication Filing date Title
GB215090A Improvements in and connected with escapement mechanism for typewriting machines
GB214732A Improvements in or connected with the platen-carriages of type-writer machines
GB214730A Improvements in and connected with the platen carriages of typewriting machines
GB214731A Improvements in shift mechanisms of typewriting machines
GB165866A Improvements in and connected with shift-mechanism for typewriters and like machines
GB165870A Improvements in and connected with keys and key-levers for typewriters and like machines
GB165869A Improved platen roller for typewriters and like machines
GB165818A Improvements in and connected with typewriters and like machines
GB165871A Improved line-spacing mechanism for typewriters and like machines
GB165867A Improvements in and connected with sheet position indicating means for typewriters and like machines
GB165868A Improved scales and printing point indicators for typewriters and like machines
GB165873A Improved action for typewriters and like machines
GB165872A Improved inking arrangements for typewriters and like machines