Patents by Inventor Thomas Ewenz

Thomas Ewenz 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).

  • Patent number: 10454255
    Abstract: The present invention relates to a cable duct lid that can be walked on with a cover member having an upper surface and a lower surface, and two lateral parts protruding from the cover member, said lateral parts each forming a lateral edge of the cable duct lid. The upper surface of the cover member includes a structured central region that is formed by way of embossing or impressing from the lower surface and that provides a slip-resistant surface. The upper surface of the cover member has a non-structured periphery on each of both sides of the structured central region towards the respective lateral edge, said non-structured periphery having a width of 5 mm or more. The invention further relates to a cable duct with a cable duct tray, a cable duct lid that can be walked on as described above, and at least one lid retaining spring and/or at least one quarter-turn lock for mounting the cable duct lid onto the cable duct tray.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: October 22, 2019
    Assignee: NIEDAX GmbH & Co. KG
    Inventors: Martin Kloft, Thomas Ewenz
  • Publication number: 20180183223
    Abstract: The present invention relates to a cable duct lid that can be walked on with a cover member having an upper surface and a lower surface, and two lateral parts protruding from the cover member, said lateral parts each forming a lateral edge of the cable duct lid. The upper surface of the cover member comprises a structured central region that is formed by way of embossing or impressing from the lower surface and that provides a slip-resistant surface. The upper surface of the cover member has a non-structured periphery on each of both sides of the structured central region towards the respective lateral edge, said non-structured periphery having a width of 5 mm or more. The invention further relates to a cable duct with a cable duct tray, a cable duct lid that can be walked on as described above, and at least one lid retaining spring and/or at least one quarter-turn lock for mounting the cable duct lid onto the cable duct tray.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Applicant: NIEDAX GmbH & Co. KG
    Inventors: Martin Kloft, Thomas Ewenz