Patents by Inventor Christian Mitschkal

Christian Mitschkal 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).

  • SEALING RING, SEALING ARRANGEMENT AND USE OF THE SEALING RING
    Publication number: 20240068571
    Abstract: A sealing ring, including at least one sealing element having a first permeation coefficient, and at least one permeation barrier of a thermoplastic material having a second permeation coefficient, wherein the at least one sealing element and the at least one permeation barrier form a unit, and wherein the first permeation coefficient is higher than the second permeation coefficient.
    Type: Application
    Filed: December 21, 2021
    Publication date: February 29, 2024
    Inventors: Frank LAUER, Maik BLUHM, Mark BOGGASCH, Christian MITSCHKAL, Thomas KRAMER, Christian KOHL, Manuel HILLE
  • Seal, screw connection having the seal, and use thereof
    Patent number: 9239074
    Abstract: A seal of a fastening element, having the fastening element and a washer, wherein the fastening element and the washer are arranged coaxially and axially adjacent to one another, wherein the washer has a sealing bead of a rubber-elastic sealing material on the outer circumference, and wherein the sealing bead contacts the fastening element underside in a sealing manner during the correct use of the seal. The fastening element has a flange on the underside, which axially faces the washer, wherein the a washer top side axially faces the flange, wherein the flange underside and the washer top side abut in a sealing manner during the correct use of the seal, wherein the flange underside and the washer top side are substantially congruent, and wherein the sealing bead abuts the outer circumferential boundary of the flange underside in a sealing manner.
    Type: Grant
    Filed: November 7, 2012
    Date of Patent: January 19, 2016
    Assignee: CARL FREUDENBERG KG
    Inventors: Frank Lauer, Julia Eckstein, Christian Mitschkal, Thomas Kramer
  • SEAL, SCREW CONNECTION HAVING THE SEAL, AND USE THEREOF
    Publication number: 20150023764
    Abstract: A seal of a fastening element, having the fastening element and a washer, wherein the fastening element and the washer are arranged coaxially and axially adjacent to one another, wherein the washer has a sealing bead of a rubber-elastic sealing material on the outer circumference, and wherein the sealing bead contacts the fastening element underside in a sealing manner during the correct use of the seal. The fastening element has a flange on the underside, which axially faces the washer, wherein the a washer top side axially faces the flange, wherein the flange underside and the washer top side abut in a sealing manner during the correct use of the seal, wherein the flange underside and the washer top side are substantially congruent, and wherein the sealing bead abuts the outer circumferential boundary of the flange underside in a sealing manner.
    Type: Application
    Filed: November 7, 2012
    Publication date: January 22, 2015
    Applicant: CARL FREUDENBERG KG
    Inventors: Frank Lauer, Julia Eckstein, Christian Mitschkal, Thomas Kramer