Patents by Inventor Carolus Bernardus Petrus van Olphen

Carolus Bernardus Petrus van Olphen 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).

  • Method of treating fabric
    Patent number: 6511705
    Abstract: The invention relates to a method of treating fabric material which may be used for a window covering, for example. The fabric has a first finish on a first side provided by a first pigment having a first particle size and a second finish on the second side provided by a second pigment having a second particle size larger than the first particle size. The material may be produced by a method in which the first and second finishes are applied simultaneously by a single operation.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: January 28, 2003
    Assignee: Hunter Douglas Industries B.V.
    Inventors: Jean Claude Jetzer, Carolus Bernardus Petrus van Olphen
  • Treated fabric, a method of treatment and a window covering product comprising such material
    Patent number: 6159875
    Abstract: The invention relates to a fabric material which may be used for a window covering, for example. The fabric has a first finish on a first side provided by a first pigment having a first particle size and a second finish on the second side provided by a second pigment having a second particle size larger than the first particle size. The material may be produced by a method in which the first and second finishes are applied simultaneously by a single operation.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: December 12, 2000
    Assignee: Hunter Douglas International N.V.
    Inventors: Jean Claude Jetzer, Carolus Bernardus Petrus van Olphen