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Holger SEMRAU

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  • Satteldorf, DE
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    EXPLOSION-PROOF HOUSING COMPRISING REMOVABLE CENTRAL STRUT
    • Publication number 20240055838
    • Publication date Feb 15, 2024
    • R. Stahl Schaltgerate GmbH
    • Elena KONDRUS
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PLUG CONNECTION DEVICE
    • Publication number 20240014597
    • Publication date Jan 11, 2024
    • R. Stahl Schaltgerate GmbH
    • Holger SEMRAU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PRESSURE RELIEF DEVICE
    • Publication number 20230181951
    • Publication date Jun 15, 2023
    • R. Stahl Schaltgerate GmbH
    • Elena KONDRUS
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    EXPLOSION-PROOF HOUSING
    • Publication number 20220399701
    • Publication date Dec 15, 2022
    • R. Stahl Schaltgerate GmbH
    • Bernd LIMBACHER
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    EXPLOSION-PROOF HOUSING WITH A REINFORCING FRAME
    • Publication number 20220361344
    • Publication date Nov 10, 2022
    • R. Stahl Schaltgerate GmbH
    • Holger SEMRAU
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    EXPLOSION-PROOF ARRANGEMENT
    • Publication number 20220316625
    • Publication date Oct 6, 2022
    • R. Stahl Schaltgerate GmbH
    • Elena KONDRUS
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    METHOD FOR PRODUCING AN EXPLOSION-PROOF LINE BUSHING, AND EXPLOSION...
    • Publication number 20200343707
    • Publication date Oct 29, 2020
    • R. Stahl Schaltgerate GmbH
    • Holger Semrau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    EXPLOSION-PROOF ASSEMBLY AND METHOD FOR PRODUCING SAME
    • Publication number 20180226781
    • Publication date Aug 9, 2018
    • R. Stahl Schaltgerate GmbH
    • Holger SEMRAU
    • H01 - BASIC ELECTRIC ELEMENTS