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Peter Grass

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  • Lennestadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Controllable drilling head
    • Patent number 11,692,399
    • Issue date Jul 4, 2023
    • Tracto-Technik GmbH & Co. KG
    • Peter Graß
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth drilling device
    • Patent number 9,243,456
    • Issue date Jan 26, 2016
    • TRACTO-TECHNIK GmbH & Co. KG
    • Franz-Josef Püttmann
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Boring element for a ground boring device
    • Patent number 9,206,682
    • Issue date Dec 8, 2015
    • TRACTO-TECHNIK GmbH & Co. KG
    • Franz-Josef Püttmann
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Controllable drilling head
    • Publication number 20220098931
    • Publication date Mar 31, 2022
    • Tracto-Technik GmbH & Co. KG
    • Peter GRAß
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BORING ELEMENT FOR A GROUND BORING DEVICE
    • Publication number 20120273274
    • Publication date Nov 1, 2012
    • Tracto-Technik GmbH & Co. KG
    • Franz-Josef Püttmann
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EARTH DRILLING DEVICE
    • Publication number 20120087738
    • Publication date Apr 12, 2012
    • Tracto-Technik GmbH & Co. KG
    • Franz-Josef Püttmann
    • E21 - EARTH DRILLING MINING