Patents by Inventor Heiko Sportel

Heiko Sportel 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).

  • Tube segment and tube for evacuated tube transport system
    Patent number: 11492019
    Abstract: A method for producing a tube segment and a tube for an evacuated tube transport system and a method for producing the tube segment.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: November 8, 2022
    Assignee: TATA STEEL NEDERLAND TECHNOLOGY B.V.
    Inventors: Heiko Sportel, Paul Alexander De Vries, Mark Bernard Denys
  • TUBE SEGMENT AND TUBE FOR EVACUATED TUBE TRANSPORT SYSTEM
    Publication number: 20200361498
    Abstract: A method for producing a tube segment and a tube for an evacuated tube transport system and a method for producing the tube segment.
    Type: Application
    Filed: January 24, 2019
    Publication date: November 19, 2020
    Applicant: TATA STEEL NEDERLAND TECHNOLOGY B.V.
    Inventors: Heiko SPORTEL, Paul Alexander DE VRIES, Mark Bernard DENYS
  • Tower for a Wind Turbine, Prefabricated Metal Wall Part for Use in a Tower for a Wind Turbine and Method for Constructing a Tower for a Wind Turbine
    Publication number: 20070294955
    Abstract: A tower for a wind turbine. The tower has an exterior side and an interior side. The tower is at least partly composed of prefabricated metal wall parts. Each wall part includes an essentially quadrangular portion having an outwardly facing surface in the direction of the exterior of the tower and an inwardly facing surface in the direction of the interior of the tower. The portion having a top edge, a bottom edge, a first side edge and a second side edge. The first side edge is provided with a first flange along at least part of the length of the first side edge and the second side edge is provided with a second flange along at least part of the length of the second side edge. A method for constructing a tower for a wind turbine.
    Type: Application
    Filed: January 14, 2005
    Publication date: December 27, 2007
    Applicant: Corus Staal BV
    Inventor: Heiko Sportel
  • Method and apparatus for the production of aluminium
    Patent number: 6565733
    Abstract: Method for the production of primary aluminium from alumina comprising the step of converting alumina into aluminium sulfide (Al2S3) and subsequently the separation of aluminium from aluminium sulfide wherein the conversion of alumina into aluminium sulfide is performed by reacting alumina with CS2 containing gas at a temperature Tal whereby the alumina is mainly &ggr;-alumina.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: May 20, 2003
    Assignee: Corus Aluminium Walzprodukte GmbH
    Inventors: Heiko Sportel, Cornelis Wilhelmus Franciscus Verstraten