Patents by Inventor Ernst-Walter Hillebrand

Ernst-Walter Hillebrand has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Alkaline zinc-nickel bath
    Patent number: 8486235
    Abstract: The anode is separated from the alkaline electrode to avoid undesirable secondary reactions in an alkali zinc nickel electroplating bath.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: July 16, 2013
    Assignee: EWH Industrieanlagen GmbH & Co. KG
    Inventor: Ernst-Walter Hillebrand
  • ALKALINE ZINC-NICKEL BATH
    Publication number: 20110031127
    Abstract: The anode is separated from the alkaline electrode to avoid undesirable secondary reactions in an alkali zinc nickel electroplating bath.
    Type: Application
    Filed: October 1, 2010
    Publication date: February 10, 2011
    Applicant: EWH INDUSTRIEANLAGEN GMBH & CO.
    Inventor: Ernst-Walter Hillebrand
  • Methods of plating zinc-containing coatings under alkaline conditions
    Patent number: 7807035
    Abstract: The anode is separated from the alkaline electrode to avoid undesirable secondary reactions in an alkali zinc nickel electroplating bath.
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: October 5, 2010
    Assignee: EWH Industrieanlagen GmbH & Co. KG
    Inventor: Ernst-Walter Hillebrand
  • Methods of Plating Zinc-Containing Coatings Under Alkaline Conditions
    Publication number: 20080164150
    Abstract: The anode is separated from the alkaline electrode to avoid undesirable secondary reactions in an alkali zinc nickel electroplating bath.
    Type: Application
    Filed: February 13, 2008
    Publication date: July 10, 2008
    Inventor: Ernst-Walter Hillebrand
  • Coating system
    Publication number: 20050029113
    Abstract: The invention relates to a coating system for the lubricant coating of components. The system includes an electrodeposited oxidatively pretreated zinc-nickel coating and a dry lubricant layer and offers considerably improved adhesive properties as well as greater corrosion resistance and resistance to chemicals.
    Type: Application
    Filed: December 12, 2003
    Publication date: February 10, 2005
    Inventors: Ernst-Walter Hillebrand, Manfred Hofschneider, Jurgen Tomaszewski, Roel Kraijenbrink
  • Alkaline zinc-nickel bath
    Publication number: 20040104123
    Abstract: The anode is separated from the alkaline electrode to avoid undesirable secondary reactions in an alkali zinc nickel electroplating bath.
    Type: Application
    Filed: July 11, 2003
    Publication date: June 3, 2004
    Inventor: Ernst-Walter Hillebrand
  • Passivation method
    Publication number: 20040011431
    Abstract: The invention refers to a method for the passivation of zinc, cadmium or their alloys, in particular of zinc-nickel alloys by means of a chrome(VI) free solution containing a weak complexing agent, preferably di- or tri-carbonic acids, preferably chrome(III)-oxalate complex and Co2+, whereby the concentration of Co2+ is greater than 30 g/l.
    Type: Application
    Filed: July 21, 2003
    Publication date: January 22, 2004
    Inventor: Ernst-Walter Hillebrand
  • Coating system
    Publication number: 20030170483
    Abstract: The invention relates to a coating system for the lubricant coating of components. The system includes an electrodeposited oxidatively pretreated zinc-nickel coating and a dry lubricant layer and offers considerably improved adhesive properties as well as greater corrosion resistance and resistance to chemicals.
    Type: Application
    Filed: February 10, 2003
    Publication date: September 11, 2003
    Inventors: Ernst-Walter Hillebrand, Manfred Hofschneider, Jurgen Tomaszewski, Roel Kraijenbrink
  • Alkali zinc nickel bath
    Patent number: 6602394
    Abstract: The anode is separated from the alkaline electrode to avoid undesirable secondary reactions in an alkali zinc nickel electroplating bath.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: August 5, 2003
    Assignee: Walter Hillebrand GmbH & Co. Galvanotechnik
    Inventor: Ernst-Walter Hillebrand
  • Installation and method for multilayered immersion coating
    Patent number: 6565722
    Abstract: A method for multilayered coating, whereby hurdles for the item that is to be treated are guided for galvanic dip coating (2) through in a separate circuit. Downstream from the tank, the hurdles are changed over (12) and the item that is to be treated is guided in another hurdle for electrophoretic coating through a tank (4) in another separate circuit.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: May 20, 2003
    Assignees: Walter Hillebrand GmbH & Co. KG, Nutro Maschinen-und Anlagenbau GmbH & Co. KG
    Inventors: Ernst-Walter Hillebrand, Gerhard Brendel
  • Device for surface treatment by immersion
    Patent number: 6391180
    Abstract: In a device for surface treatment, in particular for electrochemical coating followed by electrophoretic coating, the material to be treated is moved through coating vessels in one or more planes. This is carried out using stepped cage conveyors which are provided, at different heights, with bearing arms for trays on which the material to be treated is located. Horizontal electrodes, past which the trays are moved, project between the bearing arms of each plane or into the space between each tray.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: May 21, 2002
    Assignees: Nutro Maschinen-und Anlagenbau GmbH & CO KG, Walter Hillebrand GmbH & CO, KG
    Inventors: Gerhard Brendel, Rudolf Fuchs, Ernst-Walter Hillebrand