Patents by Inventor Berend Pruin

Berend Pruin 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).

  • ICE BREAKING SYSTEM FOR FLOATING BODY
    Publication number: 20110315060
    Abstract: The invention relates to an ice-breaking system for floating bodies in or near ice, having a protruding stem and at least two trim tanks (10, 16) for generating a stamping motion of the floating body, wherein the at least two trim tanks are connected fluidically by means of at least one trim channel (12, 13) to high-power delivery devices (18, 19) for the trim medium, and the trim system is designed as a closed loop.
    Type: Application
    Filed: March 10, 2009
    Publication date: December 29, 2011
    Inventors: Berend Pruin, Claudiu Nichita
  • Watercraft
    Patent number: D331905
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: December 22, 1992
    Assignee: SCHIFFKO Schiffskonstruktion und- entwicklung GmbH
    Inventors: Berend Pruin, Peter Raasch