TREA

Thomas Christoffel

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  • Wittnau, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ring rolling device with axially fixed rolling bearings
    • Patent number 10,870,144
    • Issue date Dec 22, 2020
    • Hatebur Umformmaschinen AG
    • Andreas Maritz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ring rolling device
    • Patent number 10,413,963
    • Issue date Sep 17, 2019
    • Hatebur Umformmaschinen AG
    • Andreas Maritz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for producing a formed part furnished with a through hole
    • Patent number 9,545,660
    • Issue date Jan 17, 2017
    • Hatebur Umformmaschinen AG
    • Christian Burgin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Ring Rolling Device with Axially Fixed Rolling Bearings
    • Publication number 20180117663
    • Publication date May 3, 2018
    • Hatebur Umformmaschinen AG
    • Andreas Maritz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Ring Rolling Device
    • Publication number 20170008066
    • Publication date Jan 12, 2017
    • Hatebur Umformmaschinen AG
    • Andreas Maritz
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method for Producing a Formed Part Furnished with a Through Hole
    • Publication number 20120266643
    • Publication date Oct 25, 2012
    • Hatebur Umformmaschinen AG
    • Christian Burgin
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...