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SPRECHER & SCHUH AG

Overview
  • Total Patents
    1,607
About

SPRECHER & SCHUH AG has a total of 1,607 patent applications. Its first patent ever was published in 1906. It filed its patents most often in Switzerland, Germany and Austria. Its main competitors in its focus markets electrical machinery and energy, measurement and audio-visual technology are SHNEJDER EHLEKTRIK S A, MERLIN GERIN and SCHNEIDER SCHALTGERAETEBAU UND.

Patent filings per year

Chart showing SPRECHER & SCHUH AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Aarau Fabrik Elektrischer Appa 71
#2 Thaler Richard 43
#3 Graf Rudolf 40
#4 Hilfiker Peter 34
#5 Schaad Walter 30
#6 Spiegel Hubert 24
#7 Blatter Johann 24
#8 Feller Willy 20
#9 Zuercher Ernst 20
#10 Amsler Joachim Dr 19

Latest patents

Publication Filing date Title
EP0727802A2 ELectromagnetic switching device, in particular contactor
EP0642197A1 Device carrier for electric installation devices
EP0515731A2 Electromagnetic switch apparatus, particularly a contactor
EP0515729A2 Electromagnetic switch apparatus, particularly a contactor
EP0496938A2 Hand-operated low voltage power switch
FR2659791A1 AUXILIARY SWITCH DEVICE FOR A MANUAL CONTROL MOTOR PROTECTION CIRCUIT BREAKER.
DE4018674A1 Contact arrangement for an electrical switching device, in particular for a contactor
DE3904253A1 Arc quenching arrangement for a short-circuit current-limiting low-voltage switch
DE3816957A1 Circuit arrangement with a plurality of shunts for the generation of voltages proportional to currents
DE3815824A1 Circuit arrangement for generating at least one current proportional voltage with at least one shunt
DE3802689A1 AC magnet with at least one short-circuit ring
DE3802359A1 Low-voltage distributor arrangement
DE3802074A1 Plastic housing for electrical installation devices that can be snapped onto a device mounting rail
EP0272457A1 Magnetic release for a selective operating circuit breaker
EP0269797A1 Electronic motor protection relay
DE3728197A1 Electronic protection relay
EP0243648A1 Electrical circuit breaker
EP0243647A1 Circuit breaker using thermal tripping
ATA241386A Voltage converter arrangement with disconnecting contacts
CH669067A5 Low voltage circuit breaker with attached undervoltage trigger.