Patents by Inventor John R. W. Hardy

John R. W. Hardy 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: 5558654
    Abstract: A waste product collection unit has a base (1), with inflatable walls (2) enclosing and securely attached to the base (1) and a pouch (3) to contain hazardous liquids, semisolids and solids. The walls (2) are inflated by means of a connecting tube (5) with a non-return valve (6). The pouch into which waste liquids collect has an outlet tube (4) by which liquids may be safely drawn off and contained. After use, the unit may be deflated and its contents sealed off by a) bring the walls (2) together so they can be stuck together and b) clipping off (9) the outlet tube (4).
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: September 24, 1996
    Inventor: John R. W. Hardy