TREA

Christian Hassmann

Follow

Person

  • Waldems, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-ply filter medium
    • Patent number 9,597,621
    • Issue date Mar 21, 2017
    • Johns Manville
    • Juergen Umminger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium
    • Patent number 9,028,579
    • Issue date May 12, 2015
    • Johns Manville
    • Christian Hassmann
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Filter medium
    • Patent number 8,147,584
    • Issue date Apr 3, 2012
    • Johns Manville
    • Christian Hassmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filter medium
    • Patent number 7,993,427
    • Issue date Aug 9, 2011
    • Johns Manville
    • Christian Hassmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Formwork for producing articles of concrete
    • Patent number 6,450,476
    • Issue date Sep 17, 2002
    • Johns Manville International, Inc.
    • Christian Hassmann
    • E04 - BUILDING
  • Information Patent Grant

    Textile sheet for use as a concrete mold liner
    • Patent number 5,820,775
    • Issue date Oct 13, 1998
    • Hoechst Trevira GmbH & Co. KG
    • Stefanie Hiller
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER MEDIUM
    • Publication number 20130305671
    • Publication date Nov 21, 2013
    • JOHNS MANVILLE
    • Christian Hassmann
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    Multi-ply Filter Medium
    • Publication number 20130153517
    • Publication date Jun 20, 2013
    • JOHNS MANVILLE
    • Juergen Umminger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIUM
    • Publication number 20110253645
    • Publication date Oct 20, 2011
    • Christian Hassmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Filter medium
    • Publication number 20080302072
    • Publication date Dec 11, 2008
    • Christian Hassmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL