Patents by Inventor Walter Franklin Ruhl

Walter Franklin Ruhl 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: 3968938
    Abstract: A system is provided for handling debris, such as twigs, leaves, grass cuttings, refuse and the like comprising a fan-shredding device including a vacuum nozzle, the nozzle being shut off from the fan suction when various units are mounted thereon, such as a hopper and a flexible extension hose. Also, a blower is provided by similarly mounting a cowl on the nozzle and a blower tube on the discharge chute of the fan-shredding device. Shredded debris is bagged in a bag mounted on the discharge chute. On bagging, the shredded debris is compacted by the fan blowing action on the small shredded particles.
    Type: Grant
    Filed: September 10, 1974
    Date of Patent: July 13, 1976
    Assignee: Lambert Corporation
    Inventors: Walter Franklin Ruhl, Albert W. Nelson, Jesse J. Lucy, Gerald N. Marshall