Jean El Hajal

Person

  • Ulm, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Metal heat exchanger tube

    • Patent number 11,073,343
    • Issue date Jul 27, 2021
    • Wieland-Werke AG
    • Achim Gotterbarm
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger tube

    • Patent number 10,996,005
    • Issue date May 4, 2021
    • Wieland-Werke AG
    • Achim Gotterbarm
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Condenser tubes with additional flank structure

    • Patent number 10,974,309
    • Issue date Apr 13, 2021
    • Wieland-Werke AG
    • Achim Gotterbarm
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Heat exchanger tube

    • Patent number 10,976,115
    • Issue date Apr 13, 2021
    • Wieland-Werke AG
    • Achim Gotterbarm
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger tube

    • Patent number 10,948,245
    • Issue date Mar 16, 2021
    • Wieland-Werke AG
    • Achim Gotterbarm
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Condenser tubes with additional flank structure

    • Patent number 10,094,625
    • Issue date Oct 9, 2018
    • Wieland-Werke AG
    • Achim Gotterbarm
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Method of producing a heat exchanger tube

    • Patent number 9,097,471
    • Issue date Aug 4, 2015
    • Wieland-Werke AG
    • Andreas Beutler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Heat exchanger tube and method for producing it

    • Patent number 8,899,308
    • Issue date Dec 2, 2014
    • Wieland-Werke AG
    • Andreas Beutler
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Metallic heat exchanger tube

    • Patent number 8,550,152
    • Issue date Oct 8, 2013
    • Wieland-Werke AG
    • Andreas Beutler
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Evaporator tube with optimized undercuts on the groove base

    • Patent number 8,281,850
    • Issue date Oct 9, 2012
    • Wieland-Werke AG
    • Andreas Beutler
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents