Patents by Inventor Helmut Rickling

Helmut Rickling 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: 5308416
    Abstract: A vehicle tire of a radial carcass construction with a low cross-sectional profile having a tread portion that is reinforced by a belt layer is provided. The tread portion comprises two circumferential tread element bands in a center portion of the tire tread and a respective tread element row on the shoulder portion. The tread element bands are separated from one another and from the tread element rows in an axial direction of the vehicle tire by respective wide and deep circumferential grooves that have straight edges. The tread element bands have notches that are distributed in a circumferential direction of the vehicle tire and are oriented at a slant relative to a center plane of the vehicle tire. The notches begin at the circumferential grooves and end within the tread element bands. The tread element rows comprise transverse tread elements that are separated from one another by continuous transverse grooves and are arranged transverse relative to the tread element bands.
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: May 3, 1994
    Assignee: Uniroyal Englebert Reifen GmbH
    Inventors: Johannes Baumhofer, Joachim Bellut, Dionysius Poque, Helmut Rickling
  • Patent number: 5240053
    Abstract: A vehicle tire of a radial carcass construction with a low cross-sectional profile having a tread portion that is reinforced by a belt layer is provided. The tread portion comprises a plurality of circumferential tread element bands in a center portion of the tread portion and one shoulder tread element row on either side of the center portion. The tread element bands are separated from one another and from the tread element rows in an axial direction of the vehicle tire by respective circumferential grooves that have straight edges. The tread element bands have notches that are distributed in a circumferential direction of the vehicle tire and are oriented at a slant relative to a center plane of the vehicle tire. The notches start at the circumferential grooves and end within the tread element bands. The shoulder tread element rows comprise tread elements that are separated from one another by transverse grooves and are arranged transverse relative to the center plane of the tire.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: August 31, 1993
    Assignee: Uniroyal Englebert Reifen GmbH
    Inventors: Johannes Baumhofer, Joachim Bellut, Dionysius Poque, Helmut Rickling