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KOCH & STERZEL WANDLER UND TRA

Overview
  • Total Patents
    19
About

KOCH & STERZEL WANDLER UND TRA has a total of 19 patent applications. Its first patent ever was published in 1959. It filed its patents most often in Germany. Its main competitors in its focus markets electrical machinery and energy, chemical engineering and measurement are SMIT TRANSFORMATOREN BV, SHANGHAI RIGANG ZHIXIN NON-CRYSTAL METAL CO LTD and MESSWANDLER BAU GMBH.

Patent filings in countries

World map showing KOCH & STERZEL WANDLER UND TRAs patent filings in countries
# Country Total Patents
#1 Germany 19

Patent filings per year

Chart showing KOCH & STERZEL WANDLER UND TRAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoeffner Armin 4
#2 Erich Noelke Dr-Ing Otto 3
#3 Seeger Herbert 2
#4 Bruckhoff Hans 2
#5 Noelke Dr-Ing Otto Erich 2
#6 Wolfgang Herchenbach Dr Rer Na 1
#7 Gert Schwake 1
#8 Cwienk Dipl-Ing Dr Georg 1
#9 Bruecker Werner 1
#10 Armin Hoeffner 1

Latest patents

Publication Filing date Title
DE1929109A1 Three-phase current controller for an electrical, filter or flaker feed system
DE1903996A1 Resin-insulated voltage converter
DE1902950A1 Mains transformer system
DE1638345A1 Single pole earthed cast resin insulated voltage transformer
DE1591929A1 Device for testing the insulation of cable cores
DE1613817A1 Device for protecting earth-voltage transformers
DE1614019A1 X-ray source for the production of high-contrast X-ray images
DE1638331A1 Process for the production of a cast resin body containing an electrical apparatus and connection terminal for carrying out the process
DE1638328A1 Process for the production of an electrical apparatus with cast resin insulation, in particular a current or voltage converter
DE1513902A1 Process for the production of a cast resin-insulated transducer
DE1283316B A multi-part housing used for embedding an electrical apparatus, in particular a current transformer
DE1281021B Process for the production of a coil with a large radial winding height for cast resin-insulated transformers or transducers and a coil produced by this process
DE1465778A1 For the outdoor installation provided transducers, implementation or the like.
DE1295527B Electrostatic precipitator
DE1234844B Circuit arrangement for cascade voltage converter
DE1209107B High voltage rectifier system for electrostatic precipitators
DE1247470B Cast resin insulated transducer for high and very high voltages
DE1272442B Cast resin voltage converter
DE1407046A1 Process for controlling magnetic amplifiers and electrical systems for carrying out the process