Patents by Inventor Derk Ekenhorst

Derk Ekenhorst 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 FOR PRODUCING A COMPOSITE FILM FOR A TUBULAR BAG AND TUBULAR BAG
    Publication number: 20130065003
    Abstract: The invention relates to a method for producing a composite film (15; 15a; 15b; 15c) for a tubular bag (1), wherein the composite film (15; 15a; 15b; 15c) consists of a plurality of layers (16; 16a; 16b, 17, 18; 18a, 23, 24; 24a, 25; 25a; 26, 27; 29) that are interconnected, wherein at least one of the layers (16; 16a; 16b, 17, 18; 18a, 23, 24; 24a, 25; 25a; 26, 27; 29) is designed as a barrier layer (16; 16a; 16b, 17, 18; 18a; 27; 29), and wherein at least one further layer (23, 24; 24a, 25; 25a, 26; 29) is provided that has a recess (30; 30a).
    Type: Application
    Filed: May 26, 2011
    Publication date: March 14, 2013
    Applicant: ROBERT BOSCH GMBH
    Inventors: Joerg P. Weltert, Derk Ekenhorst
  • Sealing device for a tank access opening in particular for tank filler pipes on motor vehicles
    Patent number: 7931053
    Abstract: A sealing device for a tank access opening whereby the ball is arranged to be displaced within the tank access opening. On introduction of a fuel nozzle, the ball opens the tank access opening.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: April 26, 2011
    Assignee: SMR Patents S.a.r.l.
    Inventors: Etzhard Bultmann, Derk Ekenhorst
  • Adjustable Mirror
    Publication number: 20080204912
    Abstract: The invention relates to an adjustable mirror, in particular to an outside mirror of a motor vehicle, with a hinge, which links a mirror support to a mirror base so that the mirror can be twisted about an axis of rotation. An elastomeric element is arranged between the mirror base and the mirror support and is form-fitted or bonded to the mirror support and/or to the mirror base and holds the mirror support in a first position. Compression elements are arranged on the mirror support and/or on the mirror base and compress the elastomeric element when the mirror support is moved from a first position into a second position.
    Type: Application
    Filed: September 12, 2006
    Publication date: August 28, 2008
    Applicant: Visiocorp Patents S.a.r.l.
    Inventor: Derk Ekenhorst
  • Sealing Device for a Tank Access Opening in Particular for Tank Filler Pipes on Motor Vehicles
    Publication number: 20070215832
    Abstract: A sealing device for a tank access opening whereby the ball is arranged to be displaced within the tank access opening. On introduction of a fuel nozzle, the ball opens the tank access opening.
    Type: Application
    Filed: November 12, 2004
    Publication date: September 20, 2007
    Applicant: ALFRED ENGELMANN HOLDING GMBH
    Inventors: Etzhard Bultmann, Derk Ekenhorst