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EFD INDUCTION GMBH

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    197,596
  • Filing trend
    ⇧ 300.0%
About

EFD INDUCTION GMBH has a total of 27 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2000. It filed its patents most often in Germany, EPO (European Patent Office) and China. Its main competitors in its focus markets materials and metallurgy, environmental technology and electrical machinery and energy are SHIYAN HENGJIN INDUCTION TECH CO LTD, ELOTHERM GMBH and SHIYAN TIANSHU INDUCTION EQUIPMENT CO LTD.

Patent filings per year

Chart showing EFD INDUCTION GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eckert David 11
#2 Wagner Josef 7
#3 Kaltenbach Daniel 5
#4 Zernickel Reinhard 5
#5 Beringer Alfred 4
#6 Markegaard Leif 4
#7 Stiele Hansjuerg 3
#8 Hirsch Karl 2
#9 Brenn Karlheinz 2
#10 Stiele Hansjürg 1

Latest patents

Publication Filing date Title
DE102018001161A1 An inductor assembly and method for inductive hardening a rod-shaped metallic workpiece
DE102017011048A1 Device and inductive hardening method for inductive hardening of metallic workpieces and use of the device
DE102013012936A1 Device for inductive hardening of elongated metallic workpieces under inert gas
DE102012014765A1 inductor
DE102012007729B3 Shower for quenching of metallic workpieces with inductive hardening
DE102012014440B3 inductor
DE102008038967A1 Apparatus for hardening the teeth of gears by inductive heat treatment
DE102007015314A1 Inductor for induction hardening of metallic workpieces
DE102004050500B3 Surface hardening of metallic workpieces comprises measuring the whole surface periphery of a workpiece arranged on a spindle head with respect to the rotary axis of the spindle head before carrying out inductive heat treatment
DE10219939C1 Apparatus for treating inner surface of cup-shaped workpieces includes inductor which fits into workpiece to heat it, and perforated disk connected to cooling spray and fitted against top face of workpiece
DE10061802A1 Process for surface finishing of metallic workpieces by inductive heat treatment