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DERUNGS ERNEST ALPHONSE

Overview
  • Total Patents
    40
About

DERUNGS ERNEST ALPHONSE has a total of 40 patent applications. Its first patent ever was published in 1937. It filed its patents most often in Switzerland, Canada and Austria. Its main competitors in its focus markets mechanical elements, transport and electrical machinery and energy are ERNEST ALPHONSE DERUNGS, KIENZLE FEINBAU K G and ALBERT A ATWOOD.

Patent filings in countries

World map showing DERUNGS ERNEST ALPHONSEs patent filings in countries
# Country Total Patents
#1 Switzerland 21
#2 Canada 10
#3 Austria 3
#4 Denmark 3
#5 Spain 3

Patent filings per year

Chart showing DERUNGS ERNEST ALPHONSEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Derungs Ernest Alphonse 16
#2 Ernest-Alphonse Derungs 13
#3 Ernest Alphonse Derungs 8
#4 Oscar Chatelain 1

Latest patents

Publication Filing date Title
ES171480A1 A device provided with oscillating masses.
ES162074A1 Improvements introduced in the electroimanes
ES161749A1 A new dynamic combinator selector
CA434939A Selective control device
CA442149A Electro-magnet
CA430871A Machine speed control device
CA399895A Electrical vehicle control device
CA394742A Electromagnetic remote control device
CA434940A Adjusting machine automatic control device
CA412176A Motor vehicle control system
CA430623A Coupling device
CA430624A Selecting control device
CA435201A Braking device