Patents by Inventor Tham Vu Khac

Tham Vu Khac 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 moulding fillings and seats comprising such fillings
    Patent number: 6419863
    Abstract: A method of manufacturing a filling for a seat consists in spraying a first polyurethane foam compound into a central part of a base of a mould, leaving the first foam compound to expand naturally so as to form a skin in contact with the air, injecting a second foam compound directly in contact with the skin and closing the mould, then allowing the second foam compound to expand, the first and second foam compounds being flexible foams.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: July 16, 2002
    Assignee: Bertrand Faure Equipements SA
    Inventor: Tham Vu Khac
  • Motor vehicle seat padding
    Patent number: 5544942
    Abstract: A seat padding, in particular for a motor vehicle seat backrest, includes a foam block whose support face has a recess closed by a base towards the opposite face, and filled with an insert of material permeable to air and/or moisture. The recess is arranged between two lining return grooves defining two re-entrant lines in the cover surrounding the padding and symmetrical with respect to the vertical mid-plane of the padding. The recess is separated from the grooves by two respective shoulders made of a hard foam.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: August 13, 1996
    Assignee: Bertrand Faure Automobile "BFA"
    Inventors: Tham Vu Khac, Michel Sabin, Thierry Guerinot