Patents by Inventor Stanley Benjamin

Stanley Benjamin 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).

  • Retro-fit filter unit for air intakes to electro-mechanical machines
    Patent number: 5462569
    Abstract: A filter unit is removably attached to a machine housing over an air intake vent to prevent particulate matter from entering the machine and thereby damaging the machine. The filter unit includes a filter, a filter housing, and fasteners to removably attach the filter housing to the machine. The filter unit can be retro-fit by a user of the machine or can be attached during manufacturing.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: October 31, 1995
    Inventor: Stanley Benjamin