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HAEFELY & CIE AG EMIL

Overview
  • Total Patents
    279
About

HAEFELY & CIE AG EMIL has a total of 279 patent applications. Its first patent ever was published in 1914. It filed its patents most often in Switzerland, United Kingdom and Germany. Its main competitors in its focus markets electrical machinery and energy, basic communication technologies and chemical engineering are ELEKTRIZITAETS ACTIEN GES VORM, WOOJIN ELECTRIC CO LTD and GOTO DENSHI CO LTD.

Patent filings in countries

World map showing HAEFELY & CIE AG EMILs patent filings in countries

Patent filings per year

Chart showing HAEFELY & CIE AG EMILs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cie A-G Emil Haefely 68
#2 Arnold Rodewald 6
#3 Emil Haefely Cie A G 5
#4 Cie Ag Emil Haefely 4
#5 Emil Haefely 3
#6 Arnold Rodewald Dr 3
#7 Feser Kurt Dr Ing 2
#8 Rudolf Schaffner 2
#9 Mueller Till R 2
#10 Rodewald A 2

Latest patents

Publication Filing date Title
EP0575683A1 Damping means for compensation and filter circuits in power networks
EP0299916A1 Damping arrangement for reactive power-compensating and filtering circuits
DE2627653A1 OUTDOOR HIGH VOLTAGE FEEDTHROUGH FOR SF TIEF 6 COMPRESSED GAS ISOLATED ELECTRICAL SYSTEMS
DE2342087A1 SWITCHING IMPULSE VOLTAGE GENERATOR IN MARX'S MULTIPLE CIRCUIT FOR GENERATING SWITCHING IMPACT VOLTAGES
DE2326622A1 MULTI-STAGE SHOCK GENERATOR
DE2262298A1 OVERVOLTAGE PROTECTION DEVICE
DE2201220A1 Multi-stage shock generator
GB1373934A Measuring high transients and high alternating voltages
GB1345978A Controlled high voltage chopping gap
CA936584A Controlled high-voltage chopped wave spark gap
GB1339943A Particle accelerator
GB1323600A Encapsulated installations
US3757404A Process and means for replacement of components and/or operating media in encapsulated installations
GB1280748A High voltage accelerator installation
DE1925149A1 Controlled multiple spark gap
US3628122A Multistage marx impulse generator circuit comprising charging switch and protective resistors
DE1817439A1 Surge voltage generator in Marx's multiplication circuit for generating switching voltages
DE1613747A1 Multi-stage shock generator
GB970177A High voltage bushing
US3073973A Circuit arrangements for the damping of excess voltages in shock potential generators