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HAMMOND TYPEWRITER COMPANY

Overview
  • Total Patents
    13
About

HAMMOND TYPEWRITER COMPANY has a total of 13 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States, France and Austria. Its main competitors in its focus markets textiles and paper are K S SANGYO KK, IUT CO LTD and CANON NTC INC.

Patent filings in countries

World map showing HAMMOND TYPEWRITER COMPANYs patent filings in countries
# Country Total Patents
#1 United States 9
#2 France 2
#3 Austria 1
#4 United Kingdom 1

Patent filings per year

Chart showing HAMMOND TYPEWRITER 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 Noack Carl O 2
#2 Ruffin John Anderson 2
#3 Krusius Edward 2
#4 Lopez Arthur 2
#5 Ruffin John A 1

Latest patents

Publication Filing date Title
US1452254A Folding typewriter
US1433641A Folding typewriter
GB126645A Improvements in Folding Typewriters.
US1243954A Type-writer.
US1243955A Type-writer.
US1118664A Shift-key attachment for type-writing machines.
US1035747A Shuttle-shield frame for type-writers.
US1155828A Type-writing machine.
US846026A Polychrome-ribbon attachment for type-writers.
US836143A Type-writer attachment.