Patents by Inventor Diederik Cornelis Egbert Hoorens Van Heijningen

Diederik Cornelis Egbert Hoorens Van Heijningen 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).

  • Steel drum and method for manufacturing such a steel drum
    Patent number: 9145229
    Abstract: A steel drum (1) is manufactured from steel sheet and has a cylindrical shape with at least a bottom cover (4) in a sealed connection to the cylindrical shape. The steel drum includes a pattern of corrugations (7, 8) on the circumferential surface of the cylindrical shape (2). The pattern of corrugations (7, 8) includes a plurality of corrugations (7, 8) grouped in at least one cluster (5, 6, 14), and the corrugations (7, 8) have a substantially identical shape and size.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: September 29, 2015
    Assignee: Greif International Holding B.V.
    Inventors: Diederik Cornelis Egbert Hoorens Van Heijningen, Paulus Jozef Tamis, Johannes Mulder
  • Steel Drum And Method For Manufacturing Such A Steel Drum
    Publication number: 20140291336
    Abstract: A steel drum (1) is manufactured from steel sheet and has a cylindrical shape with at least a bottom cover (4) in a sealed connected to the cylindrical shape. The steel drum includes a pattern of corrugations (7, 8) on the circumferential surface of the cylindrical shape (2). The pattern of corrugations (7, 8) includes a plurality of corrugations (7, 8) grouped in at least one cluster (5, 6, 14), and the corrugations (7, 8) have a substantially identical shape and size.
    Type: Application
    Filed: December 6, 2012
    Publication date: October 2, 2014
    Inventors: Diederik Cornelis Egbert Hoorens Van Heijningen, Paulus Jozef Tamis, Johannes Mulder