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SILENT WRITING MACHINE COMPANY

Overview
  • Total Patents
    30
About

SILENT WRITING MACHINE COMPANY has a total of 30 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Austria, Denmark and France. Its main competitors in its focus markets textiles and paper are WAGNER TYPEWRITER COMPANY, OCE DISPLAY GRAPHICS SYSTEMS I and UNICORN IMAGE PRODUCTS CO LTD.

Patent filings in countries

World map showing SILENT WRITING MACHINE COMPANYs patent filings in countries
# Country Total Patents
#1 Austria 19
#2 Denmark 5
#3 France 5
#4 Canada 1

Patent filings per year

Chart showing SILENT WRITING MACHINE COMPANYs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

# Technology
#1 Typewriters

Top inventors

# Name Total Patents
#1 Anderson N H 1

Latest patents

Publication Filing date Title
CA131014A Feed mechanism for typewriters