Patents by Inventor Leroy Boyd

Leroy Boyd 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: 4296551
    Abstract: A ratchet pipe cutter having a pipe-receiving body and a lever arm for turning the pipe-receiving body. The pipe-receiving body is cylindrical and has a turning gear at one end and cutting wheels for cutting pipe at the other end. The pipe-receiving body comprises two longitudinal portions joined by a hinge to allow the body to be opened and closed about a pipe. The hinge of said pipe-receiving body is located between the turning gear and the pipe cutting wheels. The lever arm has an annular interior groove for receiving the turning gear and a pawl for engaging the turning gear in a ratchet motion.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: October 27, 1981
    Inventor: Leroy Boyd
  • Patent number: 4211745
    Abstract: Spray nozzles are mounted on a refuse collection truck mechanically equipped to pick up refuse containers and dump the contents into the truck. The spray nozzles spray an insecticide, a deodorant, and a rust preventative lubricant into the container after it has been emptied, but before it is lowered to the ground.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: July 8, 1980
    Inventor: Leroy Boyd