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DUNKEL OTTO

Overview
  • Total Patents
    35
About

DUNKEL OTTO has a total of 35 patent applications. Its first patent ever was published in 1905. It filed its patents most often in Switzerland, Denmark and Spain. Its main competitors in its focus markets electrical machinery and energy, textiles and paper and machine tools are CHARLES REGINALD COOK, BULLINGER ACHIM and BAYERISCHE ELEKTROZUBEHOER G M.

Patent filings in countries

World map showing DUNKEL OTTOs patent filings in countries
# Country Total Patents
#1 Switzerland 12
#2 Denmark 8
#3 Spain 7
#4 Germany 5
#5 United States 2
#6 Belgium 1

Patent filings per year

Chart showing DUNKEL OTTOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dunkel Otto 12
#2 Otto Dunkel 7
#3 Gerhard Neumann 4
#4 Neumann Gerhard 3
#5 Edith Neumann 2
#6 Jacob Ernst Dr-Ing 1
#7 Neumann Edith 1

Latest patents

Publication Filing date Title
DE1465440A1 Matrix switcher
DE1465414A1 Miniature connector
DE1465401A1 Connector strip
DE1415116A1 Electrical plug contact connection
DE884480C Method and device for weaving tubular fabrics on a circular loom
ES168326A1 A plug system with elastic contact elements.
ES167608A1 Improvements introduced in plug plugs with or without sockets for the connection of electrical conductors, specially intended for the transmission of high frequency current
ES161949A1 Improvements introduced in the contact couplings for all kinds of current and voltage
ES156521A1 Electrical contact device
ES156032A1 Pin of plug provided of fixed support and contact elements that devide sideway
US837203A Skinning knife or implement.
US829515A Burglar-alarm.