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DAVID CHRISTOPHER SIEBELS

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  • Dortmund, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Line element with friction-reducing layer
    • Patent number 11,719,369
    • Issue date Aug 8, 2023
    • Westfalia Metal Hoses GmbH
    • Dietmar Baumhoff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Line element with damping element
    • Patent number 11,536,412
    • Issue date Dec 27, 2022
    • Westfalia Metal Hoses GmbH
    • Stefan Hauk
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    LINE ELEMENT WITH FRICTION-REDUCING LAYER
    • Publication number 20210033230
    • Publication date Feb 4, 2021
    • Westfalia Metal Hoses GmbH
    • DIETMAR BAUMHOFF
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    LINE ELEMENT WITH DAMPING ELEMENT
    • Publication number 20200116288
    • Publication date Apr 16, 2020
    • Westfalia Metal Hoses GmbH
    • STEFAN HAUK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES