Stefan Purcelean

Person

  • Troisdorf, DE

Patents Grantslast 30 patents

  • 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