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SPRECHER ENERGIE AG

Overview
  • Total Patents
    76
About

SPRECHER ENERGIE AG has a total of 76 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Switzerland, United States and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, measurement and machines are KRANTZ MFG COMPANY INC, WILLIAM ANSELM COATES and EATON ELECTRIC NV.

Patent filings in countries

World map showing SPRECHER ENERGIE AGs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kuhn Max 7
#2 Wuethrich Hans-Rudolf 6
#3 Schoetzau Hans-Joerg 6
#4 Suter Ernst 6
#5 Kessi Erich 5
#6 Tschannen Christian 5
#7 Hux Guido 4
#8 Meier Guido 4
#9 Fischer Ernst 4
#10 Doessegger Hugo 3

Latest patents

Publication Filing date Title
EP0573690A1 Pressure contact
CH683043A5 Encapsulated, high pressure gas switch for circuit breaker - has first switch element part fixed to movable switch contact piece via insulated support on metal cover
CH682431A5 Spring drive for MV or HV load switch - has intermediate drive automatically disengaged when spring is fully wound to prevent overwinding
EP0460390A2 Spring energy accumulator drive for a high voltage switch
CA2037999A1 Electrical contact arrangement
EP0405253A1 Three phase gas insulated switchgear
DE4017643A1 Pressurised gas switch with light arc contacts - uses cylinder attached to movable gas blast contact and cooperating spring-biassed piston
CH680177A5 Electrical connector unit esp. for switchgear - has bridging contact elements retained within carrier with spring bias to provide engagement
US5091615A Vacuum switch
EP0346603A1 Vacuum circuit breaker
CH678126A5 Medium=voltage vacuum switch with rolling contact arrangement - has switch surrounded by section of external connector which extends into insulating housing with aperture for contact plunger
EP0320614A1 Spring energy accumulator drive for a high voltage switch
CH672861A5 Mobile switching installation with pressure gas switches - has separate switch column per phase with separated drives, all folded down for transport
EP0223939A1 Polyphase high tension isolating switch
EP0229220A1 Current transformer
CH669863A5 High voltage with right angle drive - has resistive arms, each with springs inwardly compressing ends of stacked resistive discs
CH670329A5 High-voltage switch contact with auxiliary coaxial members - protects tips of main electrode pair by cooperation of inset miniature contacts brought together by plunger
CH669869A5 Encapsulated high voltage switchgear collector rail connection - uses clamping screws at ring shaped slotted end of fixed contact to grip circular rail
CH668669A5 METHOD FOR DETERMINING the erosion of the KONTAKTSTUECKE AN IN AN ENCAPSULATED SWITCHGEAR INSTALLED switchgear.
CH668132A5 Device for the identification of part discharge in high voltage plant.