Patents by Inventor William Edwin Lanz

William Edwin Lanz 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: 3967361
    Abstract: A tool for removing a retaining pin from a tooth of a ground engaging tool assembly of the type in which the tooth has side walls defining a socket which receives a shank of a mounting member, and in which the retaining pin impales aligned holes in the tooth side walls and in a through bore of the shank and is secured by a split washer that is held in a cavity surrounding an end of the through bore and engages a circumferential groove in the pin. The tool includes a mounting element that embraces the tooth to align a stud with the pin, and force multiplying means for moving the stud effectively axially to slide the pin endwise out of engagement with the washer.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: July 6, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Russell Dwane Merkel, William Edwin Lanz