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MALCOLM EDWARD JOHNSON

Overview
  • Total Patents
    21
About

MALCOLM EDWARD JOHNSON has a total of 21 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United Kingdom. Its main competitors in its focus markets transport, mechanical elements and furniture and games are SAFIM S P A, CONS BRAKE & ENGINEERING COMPA and CONS BRAKE AND ENGINEERING COM.

Patent filings in countries

World map showing MALCOLM EDWARD JOHNSONs patent filings in countries
# Country Total Patents
#1 United Kingdom 21

Patent filings per year

Chart showing MALCOLM EDWARD JOHNSONs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB805140A Improvements in valve-fitted pipe couplings
GB715169A Improvements in or relating to vehicle servomotor brake mechanism
GB662779A Improvements in or relating to vehicle servomotor brake mechanism
GB566447A Improvements in pistons
GB567687A Improvements in control valves for vacuum-operated servomotor devices
GB566130A Improvements in tennis rackets and the like
GB566153A Improvements in fluid servomotor mechanism
GB563401A Improvements in servomotors for vehicle brakes and the like
GB567981A Improvements in or relating to control valves for vehicle servo brakes
GB542453A Improvements in servomotor control valves
GB531656A Improvements in servomotor control valves
GB530038A Improvements in servomotor brake pipe couplings for vehicles
GB527013A Improvements in steering gear
GB512728A Improvements in servomotor brake mechanism for road vehicles
GB510790A Improvements in steering gear
GB506809A Improvements in brake mechanism for vehicles
GB450697A Improvements in servo brake mechanism for motor vehicles
GB404639A Improvements in brake mechanism for vehicles and the like
GB403668A Improvements in brake mechanism for vehicles and the like