Patents by Inventor William Sigle

William Sigle 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: 12674297
    Abstract: The funnel attachment for a heavy machinery bucket includes a funnel and one or more hydraulic pistons. The funnel may be pivotably coupled to a bucket of a loader. The one or more hydraulic pistons may pivot the funnel between a funnel lifted position and a funnel lowered position. The funnel may be pivoted to the funnel lifted position in order to fill the bucket with material. The funnel may be pivoted to the funnel lowered position to empty the bucket through the funnel. As non-limiting examples, the loader may include a backhoe loader, a front loader, a wheel loader, a skid steer loader, or a track loader and the material may comprise sand, gravel, or soil.
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: July 7, 2026
    Inventor: William Sigle