Learn more

OHG ED LIESEGANG

Overview
  • Total Patents
    11
About

OHG ED LIESEGANG has a total of 11 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Germany. Its main competitors in its focus markets electrical machinery and energy, measurement and optics are ADB ALNACO INC, D M B TECHNOLOGY CO LTD and BATAULT EMILE.

Patent filings in countries

World map showing OHG ED LIESEGANGs patent filings in countries
# Country Total Patents
#1 Germany 11

Patent filings per year

Chart showing OHG ED LIESEGANGs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
DE502064C Device for keeping the current constant in the secondary circuits of step transformers by means of iron resistors connected upstream of the individual winding steps
DE466042C Arrangement for AC voltage test
DE486017C Voltage divider circuit for starting two metal wire incandescent lamps at the nominal voltage on overlapping areas of the voltage divider
DE483648C Automatic switching device for electric metal filament lamps
DE481533C Arrangement for checking and regulating mains voltages using the difference method
DE532559C AC voltage divider
DE469979C Container for electrical connection cables
DE475835C Arrangement for current measurement in electric light bulbs using the bolometer principle
DE617473C Switch assembly consisting of a controller and a toggle switch
DE482733C Switching device for quickly matching the temperatures of two metal filament incandescent lamps connected one behind the other and in series with a short-circuitable series resistor
DE587477C Brake for the rotary lock of cinema sets