Patents by Inventor Joseph P. Orth

Joseph P. Orth 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).

  • Self-aligning scissor type jack
    Patent number: 4148461
    Abstract: A self-aligning scissor type jack for leveling a vehicle on a ground surface. The jack adjusts to sloping ground surfaces for leveling the vehicle thereon and preventing uneven loads being placed on the jack and the frame of the vehicle. The jack by design can be quickly bolted laterally across the rear of the vehicle frame thereby requiring a minimum time for installation. The jack further provides additional strength to the frame structure.
    Type: Grant
    Filed: August 8, 1978
    Date of Patent: April 10, 1979
    Inventor: Joseph P. Orth
  • Electrically operated retractable jack
    Patent number: 4067543
    Abstract: An electrically operated retractable jack for leveling a vehicle. The jack is automatically retractable from a vertical position into a horizontal stowage position under the vehicle. The jack may be operated individually or a plurality of jacks may be used in leveling the corners of a vehicle. The jacks may be raised and lowered by control switches mounted inside the vehicle without the need of the operator getting outside the vehicle.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: January 10, 1978
    Inventors: Joseph P. Orth, Gerald F. Schmidt