Patents by Inventor Joseph G. Ruma

Joseph G. Ruma 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).

  • Oriented fiber reinforced monolithic plastic foam pallet
    Patent number: 5687652
    Abstract: A new and improved unitary plastic foam four-way entry pallet (10) comprising: a top deck (11), with perforated apertures (12), buttressed by a plurality of elongated support runners (13) which are profiled to receive material handling equipment; the runners are joined to a plurality of bottom members (14), perpendicular to the plane of the support runners. All the components are monolithically cast, in a mold, utilizing rigid plastic foam reinforced with oriented strand fibers to form homogenous matrix (16), which has a seamless, smooth finish (15), provided by the use of self-skinning foams.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: November 18, 1997
    Inventor: Joseph G. Ruma