Patents by Inventor Guy H. Marsolais

Guy H. Marsolais 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).

  • Industrial vacuum cleaning apparatus
    Patent number: 5089037
    Abstract: A vacuum cleaner comprising a dust receiving container having an aperture for connecting a suction hose and an opening at the top for releasably supporting a motor-fan unit. A frame surrounding the container is provided with a vertically sliding structure for raising the motor-fan unit above the container at a distance sufficient to allow the container to be withdrawn sideways below the motor-fan unit. The motor-fan unit includes a dust filter, which when raised above the container, can be cleaned while allowing the dust to fall in the container.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: February 18, 1992
    Inventor: Guy H. Marsolais