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RADIOROEHRENFABRIK G M B H HAM

Overview
  • Total Patents
    11
About

RADIOROEHRENFABRIK G M B H HAM has a total of 11 patent applications. Its first patent ever was published in 1930. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets electrical machinery and energy are VARSAL TECH (TIANJIN) CO LTD, MASSLAB LTD and YOUARE ELECTRONICS CO.

Patent filings in countries

World map showing RADIOROEHRENFABRIK G M B H HAMs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 Switzerland 4
#3 Austria 2

Patent filings per year

Chart showing RADIOROEHRENFABRIK G M B H HAMs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy

Focus technologies

# Technology
#1 Electric discharge tubes

Top inventors

# Name Total Patents
#1 Hamburg Radioroehrenfabrik G M 4
#2 Hinsch Dr Wilhelm 1

Latest patents

Publication Filing date Title
DE741955C Arrangement for generating electrical oscillations of very high frequency
DE626143C Process and device for the production of grids for electrical discharge vessels
DE631115C Discharge vessel
DE582251C Process for the production of a wire which is provided with a poorly conductive coating by electrolytic means and which is to be cut into sections
DE616360C Process for the production of pinch feet for electric incandescent lamps and discharge vessels with high power consumption