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FRIEDRICH DESSAUER

Overview
  • Total Patents
    17
About

FRIEDRICH DESSAUER has a total of 17 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets electrical machinery and energy, measurement and medical technology are BRAESEL ECKHARD, ERNST HEUBACH MASCHINEN UND GE and THORBURN TECHNICS INT.

Patent filings in countries

World map showing FRIEDRICH DESSAUERs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 France 5
#3 United States 4

Patent filings per year

Chart showing FRIEDRICH DESSAUERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dessauer Friedrich 5
#2 Friedrich Dessauer 4
#3 Eduard Welter 1
#4 Waldemar Petersen 1

Latest patents

Publication Filing date Title
GB571912A Improvements in or relating to liquid lenses
US2145686A Arrangement for the execution of deep x-ray therapy
GB262829A Apparatus for the production of quantities of gas having an excess of positive or negative ions
GB253090A Apparatus for analysing substances by means of roentgen or cathode rays
GB252207A Apparatus for the quantitative analysis of substances with the aid of roentgen or cathode rays
GB252206A Apparatus for analysing substances by means of rontgen or cathode rays
US1720172A Electron-discharge tube and method of manufacturing the same
GB246909A Improvements in and relating to apparatus for the conversion of alternating current into high tension continuous current
US1732715A Electromagnetic induction apparatus
GB165435A Improvements in or relating to high tension electric transformers
US1372653A Electrical transformer system