TREA

Stefan Purcelean

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  • Troisdorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Encapsulated shaped charge
    • Patent number 12,320,238
    • Issue date Jun 3, 2025
    • DynaEnergetics Europe GmbH
    • Stefan Purcelean
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Perforating gun assembly and components
    • Patent number 12,312,922
    • Issue date May 27, 2025
    • DynaEnergetics Europe GmbH
    • Joern Olaf Loehken
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dynamic underbalance sub
    • Patent number 11,988,066
    • Issue date May 21, 2024
    • DynaEnergetics Europe GmbH
    • Joern Olaf Loehken
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Encapsulated Shaped Charge
    • Publication number 20240376807
    • Publication date Nov 14, 2024
    • DynaEnergetics Europe GmbH
    • Stefan Purcelean
    • F42 - AMMUNITION BLASTING
  • Information Patent Application

    Perforating Gun Assembly and Components
    • Publication number 20240076965
    • Publication date Mar 7, 2024
    • DynaEnergetics Europe GmbH
    • Joern Olaf Loehken
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DYNAMIC UNDERBALANCE SUB
    • Publication number 20230160279
    • Publication date May 25, 2023
    • DynaEnergetics Europe GmbH
    • Joern Olaf Loehken
    • E21 - EARTH DRILLING MINING