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RAUPACH FRIEDRICH

Overview
  • Total Patents
    98
About

RAUPACH FRIEDRICH has a total of 98 patent applications. Its first patent ever was published in 1943. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets electrical machinery and energy, machines and measurement are FUZHOU TIANYU ELECTRIC CO LTD, TRANSFORMATOREN UNION AG and HANS RITZ DR ING.

Patent filings in countries

World map showing RAUPACH FRIEDRICHs patent filings in countries

Patent filings per year

Chart showing RAUPACH FRIEDRICHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Raupach Friedrich 19
#2 Raupach Friedrich Dr Ing 15
#3 Raupach Dr-Ing E H Friedrich 12
#4 Friedrich Raupach 6
#5 Raupach Friedrich Dr-Ing H C 5
#6 Friedrich Raupach Dr-Ing E H 4
#7 H Raupach Friedrich Dr Ing E 4
#8 Raupach E H Friedrich Dr Ing 2
#9 Raupach Friedrich Dr-Ing E H 2
#10 Friedrich Raupach Dr-Ing 2

Latest patents

Publication Filing date Title
DE3644553A1 Gas-insulated high-voltage current transformer
DE3616243A1 Bushing, especially for high voltages
DE3534821A1 Spark switch
DE3516153A1 Voltage impulse generator
DE3345533A1 Base for the installation of electrical apparatuses or apparatus modules
DE3325237A1 Process and apparatus for the automatic production of single-angle or multi-angle rings
DE3242662A1 Multi-pole liquid-insulated or gas-insulated high-voltage tap changer
DE3228499A1 Screening electrode for high-voltage or very-high-voltage apparatuses
DE3214973A1 Variable transformer with an electronic controller
DE3048285A1 MOLDED-INSULATED MEASURING CONVERTER, ESPECIALLY CURRENT AND VOLTAGE CONVERTER
DE3010083A1 High voltage gas insulated current transformer - is prefabricated with primary windings protected by inner casing and secondary windings supported by insulators
DE2843608A1 TRANSFORMER, ESPECIALLY VOLTAGE CONVERTER OR TEST TRANSFORMER
DE2513393A1 High voltage current transformer - has primary winding in toroidal case with hole for winding leads
CA1025958A Cast-resin insulated instrument transformer, in particular potential transformer
NL166821B Detachable connecting device for two insulated conductors or groups of high voltage conductors.
DE2129802A1 Spun cast plastic tubes - of glass fibre reinforced casting resin with embedded electrical components
DE2038112A1 Grp tube - by winding glass fibre sheet on mandrel placing - in centrifugal casting mould and forming tube by centrifugal casting
US3581258A Electromagnetic wiring system of interlinked coils particularly suitable in a current transformer for high voltages
GB1002226A Improved transformer arrangements
ES216226A1 Improvements in combined transformers for measurements (Machine-translation by Google Translate, not legally binding)