Patents by Inventor Knut Raffel

Knut Raffel 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).

  • Deep-drawn recess in a panel
    Patent number: 8651549
    Abstract: A recess (1?) is proposed in a bottom panel (2?) of a body, in particular of a vehicle body, having a recess bottom (4?) which for its part merges into a recess wall (5?), wherein the recess (1?) has one or more first bottom corrugations (3?) which reinforce the recess bottom (4?) and one or more first wall corrugations (6?) which reinforce the recess wall (5?), wherein at least one first bottom corrugation (3?) and at least one associated first wall corrugation (6?) are arranged in a common vertical plane in such a way and are formed in such a way that the profile structure of the first bottom corrugation (3?) adjoins the profile structure of the associated first wall corrugation (6?) in the transition region from the recess bottom (4?) to the recess wall (5?), and wherein the shaped-out portion of said first wall corrugation (6?) is changed with regard to the shaped-out portion of the first bottom corrugation (3?) in such a way that the first bottom corrugation (3?) is formed towards the recess interior and
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: February 18, 2014
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Knut Raffel, Tran Minh Dang
  • DEEP-DRAWN RECESS IN A PANEL
    Publication number: 20120299335
    Abstract: A recess (1?) is proposed in a bottom panel (2?) of a body, in particular of a vehicle body, having a recess bottom (4?) which for its part merges into a recess wall (5?), wherein the recess (1?) has one or more first bottom corrugations (3?) which reinforce the recess bottom (4?) and one or more first wall corrugations (6?) which reinforce the recess wall (5?), wherein at least one first bottom corrugation (3?) and at least one associated first wall corrugation (6?) are arranged in a common vertical plane in such a way and are formed in such a way that the profile structure of the first bottom corrugation (3?) adjoins the profile structure of the associated first wall corrugation (6?) in the transition region from the recess bottom (4?) to the recess wall (5?), and wherein the shaped-out portion of said first wall corrugation (6?) is changed with regard to the shaped-out portion of the first bottom corrugation (3?) in such a way that the first bottom corrugation (3?) is formed towards the recess interior and
    Type: Application
    Filed: November 26, 2010
    Publication date: November 29, 2012
    Inventors: Knut Raffel, Tran Minh Dang