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GRUENDL & HOFFMANN

Overview
  • Total Patents
    61
About

GRUENDL & HOFFMANN has a total of 61 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, semiconductors and transport are NAGAO TAKESHI, MORIC CO LTD and TM4 INC.

Patent filings per year

Chart showing GRUENDL & HOFFMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hoffmann Bernhard 42
#2 Gruendl Andreas 41
#3 Rasch Reinhard 15
#4 Hoffmann Bernhard Dipl Ing 4
#5 Krappel Alfred 4
#6 Hoesl Werner 3
#7 Gruendl Andreas Dipl Ing Dr 3
#8 Gruendl Andreas Dr 3
#9 Richert Withold 2
#10 Bals Werner 2

Latest patents

Publication Filing date Title
DE19949389C1 Control circuit for MOSFET or insulated-gate bipolar transistor power end stage has power driver stage controlled by input stage with current sinks and associated current detectors
DE19939604A1 Electrical machine unit for coupling to piston combustion engine has bearing for mounting rotor relative to stator so as to be radially rigid and coaxially rotatable
DE19939605A1 Electrical machine for coupling to piston combustion engine has coupling element with torsional spring constant for damping rotational irregularities of non-active electric machine
DE19913101A1 High-current connector for contacting electrical or electronic assemblies
DE19911475A1 Housing for electronic circuits
DE19911096A1 Device for damping irregularities in the drive train of an internal combustion engine driven motor vehicle
DE19910065C1 Internal combustion engine with control valve arrangement(s) has electric linear motor as valve element actuator, hollow cylindrical stator and rotor; rotor is coupled to valve element
DE19840038A1 Braking device for a shaft coupled to a wheel of a motor vehicle
DE19826731A1 Half-bridge assembly
DE19753210A1 Rechargeable electrical power source
DE19736645A1 Wanderfeldmaschine
DE19733726A1 Reluctance motor, especially linear reluctance motor
DE19727480C1 Interrupt control computer system
DE19723923A1 Valve arrangement for a valve-controlled internal combustion engine
DE19719942A1 Housing for an electronic or electrical circuit
DE19758444A1 Fluid-cooled, computer unit - controlled assembly for switching electrical power
DE19713984A1 Component for electronic switch
DE19626807C1 Rotor for asynchronous electric motor
DE4407714C1 Electric motor with integrated transmission
DE4407713C1 Brushless electric motor and a method for its operation