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HOLZER WALTER PROF DR H C ING

Overview
  • Total Patents
    27
About

HOLZER WALTER PROF DR H C ING has a total of 27 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Germany and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, environmental technology and telecommunications are BUSER JOHANN, BLV LICHT & VAKUUMTECHNIK and PATENT TREUHAND GES FUER ELEK SCHE GLUEHLAMPEN MBH.

Patent filings in countries

World map showing HOLZER WALTER PROF DR H C INGs patent filings in countries
# Country Total Patents
#1 Germany 24
#2 EPO (European Patent Office) 3

Patent filings per year

Chart showing HOLZER WALTER PROF DR H C INGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Holzer Walter Prof Dr 24
#2 Holzer Walter Prof Dr H C Ing 3

Latest patents

Publication Filing date Title
DE19807444A1 Adapter for lamps with bayonet connections and Edison screw connections
DE19757787A1 Low power consumption gas discharge light bulb
DE19755680A1 Low power consumption gas discharge light bulb
DE19753259A1 Energy saving lamp with helical gas discharge tube
DE19753016A1 Energy saving lamp with protective covering
DE19752469A1 Switch or socket fixing device for flush-mounted electrical outlet
DE19715009A1 Pluggable device for lamp brightness control
DE19713672A1 Capacitor module system for use as capacitive ballast resistor for miniature incandescent lamps and fluorescent lamps
DE19712038A1 Dimmer switch for foot operation
DE19707048A1 Shockproof lampholder and adaptor system for lamp
DE19706159A1 Dimming and energy-saving circuit for AC-driven lamps
DE19703742A1 Reloadable cash card with signalling device
DE19644993A1 Circuit arrangement for controlling two brightness stages of gas-discharge lamps
DE19632282A1 Process and device for controlling the brightness of fluorescent lamps
DE19629207A1 Compact fluorescent lamp brightness control method
DE19624460A1 Compact halogen lamp for mains operation
DE19613096A1 Fluorescent lamp with capacitive current-limiting circuit
DE19601733A1 Gas discharge vessel with cold spots e.g. for low pressure gas discharge lamp
DE19548325A1 Single-end base type tube for compact fluorescent lamp
DE19546198A1 Compact lamp