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WOELKY OTTO

Overview
  • Total Patents
    14
About

WOELKY OTTO has a total of 14 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Germany, Switzerland and France. Its main competitors in its focus markets measurement, engines, pumps and turbines and control are KAFUS, HEWITT JOHN T and HIDAKA ENG KK.

Patent filings in countries

World map showing WOELKY OTTOs patent filings in countries
# Country Total Patents
#1 Germany 12
#2 Switzerland 1
#3 France 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Woelky Otto 12
#2 Otto Woelky 1

Latest patents

Publication Filing date Title
DE4025226A1 Unwinding device for electrical, esp. telephone set cables - has rotary shaft which rotates both clockwise and anticlockwise if twisting force is brought about
DE3440769A1 Arrangement of a diesel fuel carburation process for spark ignition engines of all types
DE3200576A1 Arrangement of a bad-weather landing method by means of optical guide beam direction of aircraft and ships
DE3138415A1 Arrangement of a diesel fuel treatment method for spark ignition engines
DE3119976A1 Arrangement of a three-magnet double-rotor drive system for motor vehicles of all types, particularly for passenger motor vehicles
DE2950878A1 Polarised anti dazzle shield for car - has suction pad fitting inside of windscreen or side window
DE2945046B1 Protective cap when diagnosing human throat
DE2851285A1 Radar directional vehicle guidance system - is for aircraft, helicopter or ships, with beam modulated to denote angular position within scanning sector