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WOODSTOCK TYPEWRITER CO

Overview
  • Total Patents
    150
About

WOODSTOCK TYPEWRITER CO has a total of 150 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States, France and Germany. Its main competitors in its focus markets textiles and paper, machines and packaging and shipping are ROSATI ROBERT, TAKAGI YUKI and KOSEKI OSAMU.

Patent filings in countries

World map showing WOODSTOCK TYPEWRITER COs patent filings in countries
# Country Total Patents
#1 United States 136
#2 France 5
#3 Germany 4
#4 United Kingdom 4
#5 Canada 1

Patent filings per year

Chart showing WOODSTOCK TYPEWRITER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hokanson Otto A 75
#2 Koca James F 27
#3 Roebuck Alvah C 26
#4 Youngberg Conrad D 6
#5 Rundblad George J 3
#6 Pruszynski Adolph J 3
#7 Gattuso Peter F 2
#8 Mack Robert A 1
#9 Steinke Arthur J 1
#10 Sears Richard W 1

Latest patents

Publication Filing date Title
US2501605A Case shift mechanism for typewriting machines
US2471588A Typewriter multiple case shift mechanism
US2475031A Typewriter space bar and escapement mechanism
US2459932A Silent key mechanism for typewriters
US2358517A Typewriter stop mechanism
US2286403A Escapement mechanism
US2286404A Escapement mechanism
US2308179A Typewriter casing
US2153632A Typewriter escapement mechanism
US2138324A Means for reducing shock in the escapement mechanisms of typewriters
US2153631A Removable attachment for typewriters
US2153630A Stop mechanism for typewriters
US2111862A Stop operating mechanism
US2122614A Typewriter stop mechanism
US2066980A Typesetting mechanism for typewriters
US2087409A Key lever adjusting mechanism
US2066978A Carriage return
US2066979A Tabulator mechanism
US2073843A Key lever adjusting mechanism
US2069671A Shift mechanism