Patents by Inventor Lidio P. Raffaeli

Lidio P. Raffaeli 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).

  • Tread protector for dual wheel caster
    Patent number: 4793022
    Abstract: A one-piece plastic wheel protector for dual wheel casters that snaps over and locks on the wheels and is easily removed by a breakaway pull tab.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: December 27, 1988
    Assignee: Stewart-Warner Corporation
    Inventor: Lidio P. Raffaeli
  • Corrosion resistant caster
    Patent number: 4554704
    Abstract: A heavy-duty caster assembly for a corrosive environment having a U-shaped metallic wheel supporting horn with a metal swivel plate rotatably mounted on the horn by a kingpin wherein both the swivel plate and the horn are coated with a permanently bonded fluorocarbon coating. The facing surfaces of the swivel plate and the horn have semi-torroidal recesses that receive a pure torroidal self-lubricating plastic bearing.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: November 26, 1985
    Assignee: Stewart-Warner Corporation
    Inventor: Lidio P. Raffaeli