Patents by Inventor Merel Ritter

Merel Ritter 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: 5120080
    Abstract: A trailer hitch for attaching the forward end of a trailer to the rear end of a vehicle comprising a hitch pin support attachable to the forward end of the trailer and being provided with a downwardly projecting cylindrical hitch pin having a circular metallic disk attached to the lower end thereof, the circular metallic disk having an outer diameter larger than the outer diameter of the hitch pin; a base plate attachable to the rear end of the towing vehicle; a yoke portion having its lower end pivotally connected to the base plate for pivotal movement along a horizontal axis; a yoke plate mounted on the upper end of the yoke portion, the yoke plate having a forward flat portion and a pair of rearwardly and downwardly extending fingers, an elongated horizontal opening being provided between the two fingers and extending part way into the flat portion of the yoke plate where the opening terminates in a semicircle of slightly larger diameter than that of the hitch pin, the rear end of the horizontal opening be
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: June 9, 1992
    Inventor: Merel Ritter