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GFELLER AG

Overview
  • Total Patents
    18
About

GFELLER AG has a total of 18 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Switzerland, Germany and Denmark. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and telecommunications are STEN DANIEL VIGREN, GOTTHILF ANSGARIUS BETULANDER and VIGREN STEN DANIEL.

Patent filings in countries

World map showing GFELLER AGs patent filings in countries
# Country Total Patents
#1 Switzerland 13
#2 Germany 3
#3 Denmark 1
#4 United States 1

Patent filings per year

Chart showing GFELLER AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mayer Willy 5
#2 Zurflueh Heinz 4
#3 Schaeublin Walter 4
#4 Baertschi Anton 3
#5 Gruenig Fritz 2
#6 Marquis Tierry 2
#7 Waeber Eduard 1
#8 Leibundgut Hans Ulrich 1
#9 Wiedmer Peter 1
#10 Kopp Peter Jean Dipl Ing 1

Latest patents

Publication Filing date Title
CH662026A5 In-the-ear hoer device.
CH660576A5 Container with a lid for the air-tight sealing of the container
CH659164A5 Housing to receive an electronic device
CH658354A5 Hearing device with adjustable characteristic values.
CH657473A5 Coil former for winding with an electrically insulated conductor
CH658744A5 Pressure switch with a length of a movable key.
CH655200A5 Pressure switch with a button sliding in a hole of a carrier.
CH653508A5 Hearing-aid
CH650664A5 Behind-ear hearing aid
CH646819A5 Apparatus for preparing cable wires for connecting them to a multiway strip connector
CH623698A5 Wall-mounted jumpering distributor for a private automatic exchange.