Learn more

FRITZ KNOBEL

Overview
  • Total Patents
    21
About

FRITZ KNOBEL has a total of 21 patent applications. Its first patent ever was published in 1925. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy and machines are BOBINAGE POUR L IND ET LA RADI, VEDOVELLI ETS and RADYNE CORP.

Patent filings in countries

World map showing FRITZ KNOBELs patent filings in countries
# Country Total Patents
#1 Germany 8
#2 United States 8
#3 United Kingdom 3
#4 France 2

Patent filings per year

Chart showing FRITZ KNOBELs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Fritz Knobel 8
#2 Knobel Fritz 7

Latest patents

Publication Filing date Title
US3333075A Starter for low voltage fluorescent lamps
GB991186A Improvements in or relating to magnetic cores
US3146420A Plural part core inductor comprising edge-wound core section
US2936403A Automatic starter switch for the ignition and operation of fluorescent lamps
US2861219A Lighting installation
GB788222A Improvements in or relating to electromagnetic induction apparatus for fluorescent lamps
US2894232A Adapting apparatus for fluorescent lamps
US2786965A Starter for low-potential fluorescent tubular lamps
US2679579A Fluorescent-lamp fixture
US2479372A Starter on low-pressure fluorescent tubular lamps
GB633858A Improvements in or relating to starters for low-pressure fluorescent tubular lamps