Patents by Inventor Helmut Stieger

Helmut Stieger 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: 12325943
    Abstract: A method for embroidering endless strips using an embroidery machine includes the following steps: Feeding a strip section of at least one upper strip to an embroidery area of an embroidery frame; introducing embroidery using at least one embroidery head onto the strip section of the upper strip within the embroidery area of the embroidery frame; feeding at least one lower strip to the embroidery area of the embroidery frame, which is placed below the upper strip; producing at least one connecting seam between the upper strip and the lower strip in a plane of the embroidery frame; and removing the finished strip comprising the embroidered strip and the lower strip sewn thereto.
    Type: Grant
    Filed: October 11, 2023
    Date of Patent: June 10, 2025
    Assignee: ZSK Stickmaschinen GmbH
    Inventor: Helmut Stieger
  • Publication number: 20240271343
    Abstract: A method for embroidering three-dimensional workpieces (2) uses an embroidery machine (100) with at least one embroidery head (101) for embroidering and at least one embroidery frame (1) for positioning the workpiece (2). The workpiece (2) is moved by means of the embroidery frame (1) by at least two angles (?, ?, ?) in relation to at least two axes (X, Y, Z), which are in relation to the movement axis of the embroidery head (101) positioned to introduce at least one stitch of embroidery into the workpiece (2).
    Type: Application
    Filed: February 12, 2024
    Publication date: August 15, 2024
    Applicant: ZSK Stickmaschinen GmbH
    Inventor: Helmut Stieger
  • Publication number: 20240125027
    Abstract: A method for embroidering endless strips using an embroidery machine includes the following steps: Feeding a strip section of at least one upper strip to an embroidery area of an embroidery frame; introducing embroidery using at least one embroidery head onto the strip section of the upper strip within the embroidery area of the embroidery frame; feeding at least one lower strip to the embroidery area of the embroidery frame, which is placed below the upper strip; producing at least one connecting seam between the upper strip and the lower strip in a plane of the embroidery frame; and removing the finished strip comprising the embroidered strip and the lower strip sewn thereto.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 18, 2024
    Applicant: ZSK Stickmaschinen GmbH
    Inventor: Helmut Stieger
  • Patent number: 4040735
    Abstract: Apparatus for producing positive enlarged copies from positive or negative microfilm, in which the photoconductive element can be charged either negatively or positively so that one developing liquid containing particles of only one polarity can be used to create positive copies regardless of whether the original microfilm is positive or negative. The apparatus includes a reusable photoconductive web having an aluminum backing, a perforated development electrode, and a transfer station for transferring the developed image to paper.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: August 9, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Detlef Winkelmann, Bernd Lohr, Helmut Stieger