Patents by Inventor Karl Steffens

Karl Steffens 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).

  • Dolly serving as a traveling aid for a defective wheel of a motor vehicle
    Patent number: 5249907
    Abstract: A dolly or roll carriage which is utilized to serve as a traveling aid for a defective wheel of a motor vehicle. The dolly includes a traveling frame which is equipped with wheels, a ramp plate for the driving thereonto of the wheel, a well for the receipt and for the sideways fixing in position of the wheel and a front stop member for the wheel, whereby the stop member is generally constructed in the shape of a wheel rim.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: October 5, 1993
    Assignee: DIEHL GmbH & Co.
    Inventors: Peter-Randolf Poten, Karl Steffens, Gunther Gebhardt
  • Dolly serving as traveling aid for a defective wheel on a motor vehicle
    Patent number: 5248235
    Abstract: A dolly or roll carriage serving as a traveling aid for a defective wheel on a motor vehicle. The dolly includes an undercarriage equipped with rollers, a ramp plate for the driving ascent thereon of the defective wheel, a well for the receipt and for the lateral or sideways fixing of the wheel and a front stop member for the wheel whereby the stop member is generally configured in the shape of a wheel rim.
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: September 28, 1993
    Assignee: Diehl GmbH & Co.
    Inventors: Peter-Randolf Poten, Karl Steffens, Gunther Gebhardt
  • Grate plate arrangement for a travelling grate
    Patent number: 4091750
    Abstract: The invention relates to a grate plate arrangement for a travelling grate in which the grate plates bear with their front highly curved portion on a grate pin and with their rear less curved portion on the following grate plate, a web provided at the lower side of each grate plate being connected to a three-armed holder which engages beneath said grate pin and the following grate pin and thus prevents the grate plate pivoting up.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: May 30, 1978
    Assignee: Polysius AG
    Inventors: Ingo Thiesler, Max Weiner, Karl Steffens
  • Combined dolly and ramp for motor vehicles
    Patent number: D354598
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: January 17, 1995
    Assignee: Diehl GmbH & Co.
    Inventors: Peter-Randolf Poten, Karl Steffens, Gunter Gebhardt