Patents by Inventor Vera Litvak

Vera Litvak 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).

  • Patent number: 7086108
    Abstract: The sectional non-slip mattress includes a support frame defining a plurality of compartments and at least one cushion having a plurality of ball bearings received within a cushion housing. Each compartment receives a corresponding ball bearing, thus preventing horizontal movement of the cushion with respect to the support frame. The ball bearings form a first material layer and a second material layer is formed from a set of elastic beads. A third material layer is formed from a plurality of gel-filled capsules and the three material layers are all housed within a fabric cushion housing, which is permeable to air. An additional air supply may be provided for driving pre-cooled or pre-heated air through the cushion.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: August 8, 2006
    Inventor: Vera Litvak
  • Patent number: 6990701
    Abstract: The sectional non-slip mattress includes a support frame defining a plurality of compartments and at least one cushion having a plurality of ball bearings received within a cushion housing. Each compartment receives a corresponding ball bearing, thus preventing horizontal movement of the cushion with respect to the support frame. The ball bearings form a first material layer and a second material layer is formed from a set of elastic beads, each having a volume smaller than a volume of each of the ball bearings. A third material layer is formed from a plurality of gel-filled capsules and the three material layers are all housed within a fabric cushion housing, which is permeable to air. An additional air supply may be provided for driving pre-cooled or pre-heated air through the cushion.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: January 31, 2006
    Inventor: Vera Litvak