Patents by Inventor H. B. Hyams

H. B. Hyams 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).

  • Leaf master
    Patent number: 4366594
    Abstract: A vacuum-operated debris collector including a mobile frame and a collection receptacle and impeller unit assembly mounted on the frame. An upstanding stack assembly has its lower end connected through an access chamber to the inlet of the impeller unit. A suction head connects through a hose to a swiveled upper portion of the stack assembly. The outlet of the impeller unit discharges into the receptacle.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: January 4, 1983
    Inventor: H. B. Hyams