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BERKO WERKE QUAST & EICHERT

Overview
  • Total Patents
    25
About

BERKO WERKE QUAST & EICHERT has a total of 25 patent applications. Its first patent ever was published in 1932. It filed its patents most often in Germany, Switzerland and Denmark. Its main competitors in its focus markets electrical machinery and energy, transport and machines are LOUIS HEMMELER, QUAST & CO and KUMAKURA SHOKICHI.

Patent filings in countries

World map showing BERKO WERKE QUAST & EICHERTs patent filings in countries
# Country Total Patents
#1 Germany 22
#2 Switzerland 1
#3 Denmark 1
#4 France 1

Patent filings per year

Chart showing BERKO WERKE QUAST & EICHERTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eichert Fritz 4
#2 Schoenborn Ernst 3
#3 Fuchs Hans 3
#4 Siebert Bernhard 3
#5 Quast Eichert Berko-Werke 1
#6 Hempel Bernhard 1

Latest patents

Publication Filing date Title
DE741164C Cover piece for electric bicycle alternators
DE763573C Small magnet-electric machine with rotating permanent magnet
DE739896C Electric bicycle light machines with a bell-shaped, fixed magnet system
DE739586C Permanent magnet for electric bicycle alternators
DE719068C Process for manufacturing the permanent magnet system of small electrical machines
DE708174C Alternator for bicycles and motorcycles arranged in the hub
DE701355C Alternator for bicycles and motorcycles arranged in the hub
DE705507C Impact fuse for throwing mines
DE666724C Headlights, especially for bicycles
DE661724C Waving arm for direction indicators and overtaking indicators of motor vehicles
DE660262C Direction indicators and overtaking indicators
DE681138C Tubular light bulb with one contact at each end for direction and overtaking indicators
DE658939C Direction indicators and overtaking indicators
DE669599C Magnet system composed of several bar magnets or horseshoe magnets for electric bicycle alternators
DE682200C Bearing arrangement for electric bicycle alternators
DE624308C Alternator built into the wheel hub of a vehicle, especially a bicycle
DE635331C Alternator arranged in a bicycle hub
DE660888C Magnetic electric bicycle alternator with device for adjusting the power
DE666508C Bicycle alternator with a bell-shaped permanent magnet composed of a yoke part and leg parts attached to it, using a magnetic steel with over 240 oersteds
DE662278C Magnet system for electric bicycle alternators