Patents by Inventor Ralph Mullican

Ralph Mullican 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: 4820112
    Abstract: A claw attachment for use in conjunction with the bucket of a backhoe or excavator for removing large boulders and other objects from the surface of the ground or from a partially embedded position within the ground. The claw is removably mounted in a fixed bracket on the earth moving machine and can be secured in a first or operative position on the "crowd" and then relocated to a second or storage position on said "crowd". In configuration, the claw resembles the claw of a Maine lobster, but with a pair of normally disposed outward extending ears toward the front thereof.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: April 11, 1989
    Inventor: Ralph Mullican