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Elmar Schulze

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  • Lehrte, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headset and headphone
    • Patent number 10,141,494
    • Issue date Nov 27, 2018
    • Sennheiser electronic GmbH & Co. KG
    • Jan Peter Kuhtz
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Rechargeable battery unit and portable electronic appliance
    • Patent number 9,184,474
    • Issue date Nov 10, 2015
    • Sennheiser electronic GmbH & Co. KG
    • Dirk Reymann
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electroacoustic sound transducer, receiver and microphone
    • Patent number 8,345,916
    • Issue date Jan 1, 2013
    • Sennheiser electronic GmbH & Co. KG
    • Elmar Schulze
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Dynamic electro-acoustic transducer and earphone
    • Patent number 8,180,097
    • Issue date May 15, 2012
    • Sennheiser electronic GmbH & Co. KG
    • Alwin Harms
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Accumulator
    • Patent number D626504
    • Issue date Nov 2, 2010
    • Sennheiser electronic GmbH & Co. KG
    • Alexander Gruve
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents