Patents by Inventor Berend Tent

Berend Tent 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).

  • Patent number: 6892649
    Abstract: Transportation system comprising a large number of platforms which can be displaced along guides and a smaller number of displacement devices which can be coupled to and uncoupled from the said platforms. Each displacement device comprises a linear actuator comprising a moving part and a stationary part. The stationary part comprises a laminated plate assembly with coils, and the moving part comprises a structure with permanent magnets, such as neodymium magnets. On the linear actuator, there may be a further linear actuator, so that movement in two directions is possible. A transportation system of this type can be used in a parking garage for positioning vehicles.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: May 17, 2005
    Inventor: Berend Tent
  • Publication number: 20040016360
    Abstract: Transportation system comprising a large number of platforms which can be displaced along guides and a smaller number of displacement devices which can be coupled to and uncoupled from the said platforms. Each displacement device comprises a linear actuator comprising a moving part and a stationary part. The stationary part comprises a laminated plate assembly with coils, and the moving part comprises a structure with permanent magnets, such as neodymium magnets. On the linear actuator, there may be a further linear actuator, so that movement in two directions is possible. A transportation system of this type can be used in a parking garage for positioning vehicles.
    Type: Application
    Filed: March 27, 2003
    Publication date: January 29, 2004
    Inventor: Berend Tent