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BUSER JOHANN

Overview
  • Total Patents
    38
About

BUSER JOHANN has a total of 38 patent applications. Its first patent ever was published in 1937. It filed its patents most often in Switzerland, Germany and Austria. Its main competitors in its focus markets electrical machinery and energy and machines are PEK LABS INC, ETS CLAUDE PAZ & SILVA and NE ARGA CORP.

Patent filings per year

Chart showing BUSER JOHANNs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Buser Johann 23
#2 Johann Buser 10

Latest patents

Publication Filing date Title
US4558400A Production of light from a fluorescent tube with reduction of the dazzling
CH642775A5 Entladungsgefaess with hochstromdurchfuehrungen.
CH637197A5 Luminaire having a discharge lamp, mount and reflector
ATA13082A Discharge lamp
HU185154B Arrangement for firing of discharge lamp
US4484109A Ignition system for gas discharge lamps
EP0041499A1 System for instant ignition and long-life operation of discharge lamps
DE3045971A1 Instantaneous ignition circuit for discharge lamp - briefly switches in second winding, inductively coupled to first winding
CH635968A5 Method and circuit arrangement for immediate starting of a discharge lamp
GB506710A Improvements in electric lamp connecting devices
GB510590A Improvements relating to electric lamps