Learn more

BAR LOCK TYPEWRITER COMPANY LT

Overview
  • Total Patents
    16
About

BAR LOCK TYPEWRITER COMPANY LT has a total of 16 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets textiles and paper are S T SANGYO KK, KANESHIRO TERUYUKI and CANON NTC INC.

Patent filings in countries

World map showing BAR LOCK TYPEWRITER COMPANY LTs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Germany 5
#3 France 2
#4 United States 2

Patent filings per year

Chart showing BAR LOCK TYPEWRITER COMPANY LTs 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 Herbert Etheridge 2

Latest patents

Publication Filing date Title
DE366725C Typewriter with an easily releasable connection between the paper trolley and the frame
US1380788A Type-bar mechanism
US1382349A Typewriter with detachable platen-carriage
GB191511732A Improvements in or relating to the Type-bar Mechanism of Typewriters and the like.
GB191511731A Improvements in or relating to Tabulator Mechanism for Typewriters.
GB191511680A Improvements in or relating to Shift-key Mechanism of Typewriters.
GB191511681A Improvements in or relating to the Shift-key Mechanism of Typewriters and the like.
GB191501497A Improvements in or relating to Line-spacers for Typewriters.
GB191227628A Improvements in or relating to Platen-carriages for Typewriters and the like.