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VOIGT & HAEFFNER GMBH

Overview
  • Total Patents
    40
About

VOIGT & HAEFFNER GMBH has a total of 40 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Germany, Austria and Sweden. Its main competitors in its focus markets electrical machinery and energy, civil engineering and thermal processes are CONCORDIA SPRECHER ENERGIE, CHANGZHOU MECAN TECHNOLOGY DEV CO LTD and HUBEI JUCRO ELECTRICAL CO LTD.

Patent filings in countries

World map showing VOIGT & HAEFFNER GMBHs patent filings in countries
# Country Total Patents
#1 Germany 24
#2 Austria 8
#3 Sweden 4
#4 Belgium 1
#5 Switzerland 1
#6 United Kingdom 1
#7 United States 1

Patent filings per year

Chart showing VOIGT & HAEFFNER GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Strauch Richard 4
#2 Kulms Hans 3
#3 Duebner Fritz 3
#4 Horst Drubig Dipl-Ing 2
#5 Rolf Mais A 2
#6 Mais A 2
#7 Hoffmann Fritz 2
#8 Mais Rolf A 1
#9 Drubig H 1
#10 Voigtlaender Kurt 1

Latest patents

Publication Filing date Title
GB1292091A Improvements in or relating to tubular electrical heaters
DE2111463A1 Arrangement for detecting fault arcs in electrical systems
DE2038666A1 Branch terminal for busbars in electrical switchgear
US3586795A Electrical connector and switching device
DE1951886A1 Thermal overcurrent release
DE1930988A1 Insulated high-voltage indoor switchgear
DE1919994A1 Earthing switch
DE1763084A1 Energy storage device for fuses
DE1638001A1 Thermal trigger
DE1708132A1 Disappearance tape for cabinets, especially control cabinets
DE1615923B1 Plug contact
DE1615921B1 Contact pin
DE1615916A1 Support element for parallel busbars
DE1588112A1 Method for producing a low-voltage, high-performance fuse
DE1588109A1 Three-phase circuit breaker with current limitation
DE1615904B1 Cable outlet in a high-voltage switchgear cell
DE1615888A1 Electrical switchgear
DE1615870A1 Arrangement for impulse self-retention
DE1590262B1 High-voltage slide switch encapsulated in insulating material
DE1590241A1 Arrangement for connecting electrical waveguides