Patents by Inventor Benito Manuel Martinez Choperena

Benito Manuel Martinez Choperena 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).

  • Method of producing waterproof foam mattresses
    Patent number: 7065849
    Abstract: Production process for waterproofed foam mattresses, starting from a foam material body (1) in which a plurality of passing through holes (2) are carried out in the bigger faces and some passing through holes (3) with a smaller diameter are carried out along the body (1), through which holes (3) some rods (4) are incorporated to be fastened on a supporting frame (5), and to spray the body (1) in this position with the waterproofing material, letting the latter drip off in a sloped position till the mentioned waterproofing material is gelled.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: June 27, 2006
    Assignee: Perfosistem, S.L.
    Inventor: Benito Manuel Martinez Choperena