Patents by Inventor Raul Riojas

Raul Riojas 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: 6056271
    Abstract: A post puller and a method of use are described herein. The method of the invention entails lowering a collar over a top end of the post. The collar is carried by a suitable frame. The frame is attached to a bucket which forms a portion of a front end loader attached to a tractor. The bucket of the front end loader is tilted to engage an upper end and a lower end of the collar with the post. The bucket is then raised to pull the post from the earth. The puller is formed from a frame and a collar. The frame has an open upper end, an open lower end, a front side, and a back side. The frame has a longitudinal axis extending from the open upper end to the open lower end. The collar is mounted inside of the frame. The collar has an open upper end positioned near the open upper end of the frame, an open lower end positioned near the open lower end of the frame, a front side positioned near the front side of the frame, and a back side positioned near the back side of the frame.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: May 2, 2000
    Inventor: Raul Riojas