Patents by Inventor Jurgen Alsen

Jurgen Alsen 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).

  • Ocean-going catamaran
    Patent number: 4086863
    Abstract: An ocean-going catamaran has a pair of hulls which are connected by a bridge structure. Each hull has a longitudinal axis, forward hull portion and a rearward hull portion and is asymmetrical relative to its longitudinal axis. The forward and rearward portions of each hull are mirror symmetrical with reference to one another and the forward portion of each hull is straight at one side and curved at the opposite side in the region of the waterline. The straight sides of the respective forward portions include with one another an angle.
    Type: Grant
    Filed: September 23, 1976
    Date of Patent: May 2, 1978
    Assignee: Aktiengesellschaft "Weser"
    Inventors: Leopold Nitzki, Jurgen Alsen
  • Catamaran vessel
    Patent number: 4008674
    Abstract: An ocean-going catamaran has a pair of hulls which are connected by a bridge structure. Each hull has a longitudinal axis, forward hull portion and a rearward hull portion and is asymmetrical relative to its longitudinal axis. The forward and rearward portions of each hull are mirror symmetrical with reference to one another and the forward portion of each hull is straight at one side and curved at the opposite side in the region of the waterline. The straight sides of the respective forward portions include with one another an angle.
    Type: Grant
    Filed: February 12, 1975
    Date of Patent: February 22, 1977
    Assignee: Aktiengesellschaft "Weser"
    Inventors: Leopold Nitzki, Jurgen Alsen