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ERNEST ALPHONSE DERUNGS

Overview
  • Total Patents
    15
About

ERNEST ALPHONSE DERUNGS has a total of 15 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United Kingdom and Germany. Its main competitors in its focus markets mechanical elements, transport and control are ALBERT A ATWOOD, SAUER GETRIEBE KG and WILLIAM THOMAS CARLING.

Patent filings in countries

World map showing ERNEST ALPHONSE DERUNGSs patent filings in countries
# Country Total Patents
#1 United Kingdom 14
#2 Germany 1

Patent filings per year

Chart showing ERNEST ALPHONSE DERUNGSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Derungs Ernest Alphonse 1

Latest patents

Publication Filing date Title
GB603305A A device having centrifugal mechanism
GB599079A Installation for the automatic control of change-speed gearing and clutch on a vehicle driven by an internal combustion engine
GB581950A Control device for change-speed gearing
GB579481A Improvements in or relating to speed-governors for machines
GB579214A Braking device
GB580451A Electromagnet
GB573969A Controlling the movement of a mechanism by an escapement with adjustable periods
GB573220A Selecting control device for variable-speed gearing
GB583034A Improvements in selective control mechanisms for change speed gears
GB573734A Improvements in preselective transmissions
GB534691A Improvements in or relating to control systems for motor vehicles
GB538590A Improvements in or relating to electromagnetic remote control devices
GB533075A Improvements in or relating to electrical devices for clutches and associated change-speed gears
GB497478A Automatic control means for vehicles