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ERNEST WILLIAM JOHNSON

Overview
  • Total Patents
    14
About

ERNEST WILLIAM JOHNSON has a total of 14 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United Kingdom, Germany and Canada. Its main competitors in its focus markets mechanical elements and transport are CLUTCH IND PTY LTD, HUBEI TRI RING CLUTCHES CO LTD and SAEKI TOMOHIRO.

Patent filings in countries

World map showing ERNEST WILLIAM JOHNSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Germany 2
#3 Canada 1

Patent filings per year

Chart showing ERNEST WILLIAM JOHNSONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Transport

Top inventors

# Name Total Patents
#1 Limited Vondervell Products 1

Latest patents

Publication Filing date Title
GB894821A Improvements in or relating to brakes
GB579101A Improvements in or relating to torque-transmitting members
GB552505A Improvements in or relating to shock absorbers
GB541179A Improvements in or relating to shock absorbers
GB541201A Improvements in or relating to shock absorbers
GB301959A Improvements in or relating to shock absorbers
GB279676A Improvements in or relating to shock absorbers
GB273367A Improvements in or relating to bearings and bearing members
GB250329A Improvements in or relating to shock absorbers
CA413590A Shock absorber