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EFEN GMBH

Overview
  • Total Patents
    69
  • GoodIP Patent Rank
    164,478
About

EFEN GMBH has a total of 69 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Germany, EPO (European Patent Office) and Poland. Its main competitors in its focus markets electrical machinery and energy, measurement and telecommunications are DAERYUK CO LTD, JOSEPH SACHS and FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO LTD.

Patent filings per year

Chart showing EFEN GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kilian Francis 16
#2 Koelbel Christian 12
#3 Lischka Michael 9
#4 Kahler Klaus Dietmar 9
#5 Mischon Daniel 7
#6 Schröder Martin 7
#7 Wiget Stefan 6
#8 Radke Wolfgang 6
#9 Sandhäger Ludger 5
#10 Kirsch Waldemar 4

Latest patents

Publication Filing date Title
DE102015105441A1 Current transformer system and load disconnector with such
DE102013113496A1 Hermetically sealed NH fuse
EP2806450A1 Fuse cartridge with bi-material knife
AU2012396428A1 Current transformer and load interrupter having such a current transformer
DE102011052449A1 Current transformer and load disconnector with such
DE102009026742A1 Current transformer unit
DE102009002470A1 Clamp construction as well as load switch bar or isolator with clamp construction
DE102009002471A1 Fuse switch disconnectors
EP1993116A1 Power switch block with fuses
DE102007051419A1 NH fuse switch disconnector with current transformer
DE102004024786A1 Load-break switch, has two installation positions which define direction in which switch lever is moved to turn switch mechanism on or off
DE102004024787A1 Load-break switch for mounting on connection block, has locking member which locks switch mechanism and/or actuating element in switched-off state
DE10329392A1 Main circuit breaker, has striking pin which trips switch mechanism in event of low overcurrent, and solenoid plungers which respond suddenly in event of high overcurrent
DE10215500A1 adapter
DE10209597A1 Data transmission via electrical supply lines involves using HF isolated sections of null conductor connecting transmission and reception stations for data signals for transmission of signals
DE10160543A1 Current transformer for an NH fuse block, NH fuse load switch or the like
DE10140762A1 Electrical T connector
DE10120006A1 Adapter for contacting fuse-switch disconnectors on current collecting busbars, has abutment edges arranged mutually parallel on same side of contact end fields
DE10119611A1 Fuse switch-disconnector in strip design
DE10118215A1 Data display device e.g. for indicating time-current characteristic of fuses has transparent bars which are movable relative to data area