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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Switzerland | 12 | |
#2 | Denmark | 8 | |
#3 | Spain | 7 | |
#4 | Germany | 5 | |
#5 | United States | 2 | |
#6 | Belgium | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Textiles and paper | |
#3 | Machine tools | |
#4 | Audio-visual technology | |
#5 | Control | |
#6 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Electrically-conductive connections | |
#2 | Knitting | |
#3 | Distribution of electric power | |
#4 | Sawing | |
#5 | Woven fabrics | |
#6 | Making gears or toothed racks | |
#7 | Traffic control systems | |
#8 | Electric switches | |
#9 | Casings and printed circuits | |
#10 | Books |
# | 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 |
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. |