Patents by Inventor Jurgen Wied

Jurgen Wied 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).

  • Firestop collar
    Patent number: 8672275
    Abstract: A metal casing strip for a fire collar to be arranged around a duct has a line of succesive tongues and cutouts in the longitudinal direction of the strip. The tongues and cutouts are arranged in the strip in an alternating fashion. The tongues are bendable out of the surface of the casing strip such that in use, when the casing strip is arranged around a pipe such that two end regions overlap, an outwardly bended tongue from the one end region is inserted in a cutout of the overlapping other end region and folded over the edge of the cutout to retain the casing strip in the closed collar shape.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: March 18, 2014
    Assignees: J. van Walraven Holding B.V., Rolf Kuhn GmbH
    Inventors: Jan Van Walraven, Jurgen Wied
  • Firestop collar
    Patent number: 8336832
    Abstract: A metal casing strip for a fire collar to be arranged around a duct has a line of successive tongues and cutouts in the longitudinal direction of the strip. The tongues and cutouts are arranged in the strip in an alternating fashion. The tongues are bendable out of the surface of the casing strip such that in use, when the casing strip is arranged around a pipe such that two end regions overlap, an outwardly bended tongue from the one end region is inserted in a cutout of the overlapping other end region and folded over the edge of the cutout to retain the casing strip in the closed collar shape.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: December 25, 2012
    Assignees: J. Van Walraven Holding B.V., Rolf Kuhn GmbH
    Inventors: Jan van Walraven, Jurgen Wied