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DREWELL HEINRICH

Overview
  • Total Patents
    20
About

DREWELL HEINRICH has a total of 20 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets textiles and paper, basic communication technologies and machine tools are LAGARDE JULES, ROZAR COLOMAN and JULIUS SCHNEIDER DR.

Patent filings in countries

World map showing DREWELL HEINRICHs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 6
#3 United Kingdom 4

Patent filings per year

Chart showing DREWELL HEINRICHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drewell Heinrich 20

Latest patents

Publication Filing date Title
US1106638A Band-perforating apparatus.
US1190736A Perforating-machine.
US1145359A Type-setting machine.
US1163985A Type-setting machine.
CA133875A Type setting
CA134827A Type setting method
CA134670A Typesetting machine
CA126428A Typewriter mechanism
GB190807009A Improved Connection for Closing an Optional Branch of a Frequently Branched Circuit by Means of a Limited Number of Switches.
US915748A Means for electrically operating type-setting machines.
CA108333A Means of operating typesetting machines
US868538A Linotype or composing-machine.
US876701A Electric switch.
GB190701821A Improvements in and relating to Mechanism for Perforating the Operating Bands of Automatic Type Setting Machines and the like.
CA106696A Electric typesetting machine
GB190627060A Improvements in and relating to Means for Operating Composing and Type-setting Machines by Means of Electric Currents Controlled by Register Strips.
US864519A Apparatus for the electric operation of type-setting machines.
US851504A Mechanism for perforating the operating-bands of automatic type-setting machines.
US866343A Mechanism for perforating the operating-bands of automatic type-setting machines.