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OTTO DUNKEL

Overview
  • Total Patents
    27
About

OTTO DUNKEL has a total of 27 patent applications. Its first patent ever was published in 1920. It filed its patents most often in Germany, United Kingdom and Belgium. Its main competitors in its focus markets electrical machinery and energy, machines and optics are FEILIFU TECH CO LTD, J A CRABTREE AND CO LTD and OTTO DUNKEL GES MIT BESCHRAENK.

Patent filings in countries

World map showing OTTO DUNKELs patent filings in countries
# Country Total Patents
#1 Germany 14
#2 United Kingdom 10
#3 Belgium 1
#4 Spain 1
#5 United States 1

Patent filings per year

Chart showing OTTO DUNKELs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Dunkel Otto 8
#2 Neumann Gerhard 4
#3 Mickler Wilhelm 2
#4 Kolm Georg 1
#5 Otto Dunkel 1
#6 Neumann Edith 1

Latest patents

Publication Filing date Title
GB1039908A Improvements in and relating to explosive bodies such as ammunition projectiles
GB1017429A Improvements in and relating to crossbar distributors for electrical connections
GB935478A Method of and automatic machine for producing resilient plug or socket contacts
GB1001288A Contact device for transmitting electric current from a rotatable body to a stationary body or vice versa
GB1002170A Improvements in and relating to multiple-pole electric connectors
GB993266A Improvements in and relating to bushes for electrical connectors
GB980811A Explosion-proof and flame-proof coupling
GB931917A Contact device with resilient contact element for the transfer of current from movable to stationary bodies
ES167508A1 Improvements introduced in the elastic plugs of several points of contact intended especially for radio purposes
US1404351A Photographic-print washer