Patents by Inventor Christoph Pawlowski

Christoph Pawlowski 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).

  • Wheel for roller skates of the inline skate type
    Patent number: 6142578
    Abstract: A wheel for an inline skate type roller skate includes a wheel rim portion, a tread surface on the wheel rim portion and at least one ball bearing located entirely within the outer contour of the wheel. Disk-type seals mounted on the inner race of the ball bearing cover the axially outer surfaces of the bearing to protect the bearing against the entry of contaminants. The seals are also located entirely within the outer contour of the wheel.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: November 7, 2000
    Inventors: Christoph Pawlowski, Gunter Langer, Wilhelm Meyer
  • Ice skate blade
    Patent number: 6039328
    Abstract: An interchangeable ice skate blade for use with a roller skate boot of the inline skate type includes a plurality of elongate bores or slots and a single circular bore or slot of a comparable size in the region of the edge of the blade remote from the ice-engaging edge. The combination of elongate and circular bores or slots allows the blade to be compatible with roller skate boots having different points of attachment of the blade to the boot while securely retaining the blade against unintended lengthwise or transverse movement relative to the boot.
    Type: Grant
    Filed: July 8, 1997
    Date of Patent: March 21, 2000
    Inventors: Christoph Pawlowski, Gunter Langer, Wilhelm Meyer