Patents by Inventor Berend A. Drogt

Berend A. Drogt 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).

  • Rope containing high-performance polyethylene fibres
    Patent number: 7823496
    Abstract: The invention relates to a rope containing a plurality of strands comprising a mixture of high-performance polyethylene fibres and polytetrafluoroethylene fibres in a mass ratio of 70:30 to 98:2. The rope shows markedly improved service life performance in cyclic bend-over-sheave applications. The invention also relates to the use of said rope as a load-bearing member in bend-over-sheave applications.
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: November 2, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: Rigobert Bosman, Berend A. Drogt
  • ROPE CONTAINING HIGH-PERFORMANCE POLYETHYLENE FIBRES
    Publication number: 20090165637
    Abstract: The invention relates to a rope containing a plurality of stands comprising a mixture of high-performance poly-ethylene fibres and polytetraflooroethylene fibres in a mass ratio of 70:30 to 98:2. The rope shows markedly improved service life performance in cyclic bend-over-sheave applications. The invention also relates to the use of said rope as a load-bearing member in bend-over-sheave applications.
    Type: Application
    Filed: November 28, 2006
    Publication date: July 2, 2009
    Applicant: DSM IP ASSETS B.V.
    Inventors: Rigobert Bosman, Berend A. Drogt