Patents by Inventor James Maillefer

James Maillefer 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).

  • Device for horticulture
    Patent number: 5172516
    Abstract: The device consists of a flowerpot (1), mounted on feet (8), intended to be placed in a horticulture tray, comprising a bottom (5) pierced with holes (7) and exhibiting parallel slots (6, 6a). It is made in one piece by molding from expanded polystyrene.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: December 22, 1992
    Inventor: James Maillefer
  • Foam plastic flower pot
    Patent number: 4667439
    Abstract: A flower pot (1) is mounted on feet (8) intended to be disposed in a horticulture tank. The pot has a bottom portion (5) provided with pierced holes (7) and is also provided with parallel slots (6,6a). It is made in one piece of molded expanded polystyrene.Application: the culture of plants placed in a pot with a reserve of water.
    Type: Grant
    Filed: April 26, 1985
    Date of Patent: May 26, 1987
    Inventor: James Maillefer