Patents by Inventor Wilton E. Smith

Wilton E. Smith 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).

  • Litter vacuum
    Patent number: 6675424
    Abstract: A mobile litter pickup vehicle has a pair of forward corner brushes independently mounted on articulated arms so that the brushes may be moved in the event an obstacle is encountered to avoid damage to the brushes or to the object. An air recirculating system is employed for prolonging the life of the final outlet filter, and an impermeable trash bag may be used for disposing of the contents of a primary scrim collection bag.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: January 13, 2004
    Assignee: Minuteman International, Inc.
    Inventors: Wilton E. Smith, Gary E. Palmer, Jesse V. Mondigo, Timothy A. Strickland
  • Litter vacuum
    Publication number: 20020138939
    Abstract: A mobile litter pickup vehicle has a pair of forward corner brushes independently mounted on articulated arms so that the brushes may be moved in the event an obstacle is encountered to avoid damage to the brushes or to the object. An air recirculating system is employed for prolonging the life of the final outlet filter, and an impermeable trash bag may be used for disposing of the contents of a primary scrim collection bag.
    Type: Application
    Filed: March 6, 2002
    Publication date: October 3, 2002
    Applicant: Minuteman International, Inc., (an Illinois Corporation)
    Inventors: Wilton E. Smith, Gary E. Palmer, Jesse V. Mondigo, Timothy A. Strickland