Patents by Inventor Stephen W. Bilson

Stephen W. Bilson 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: 5217323
    Abstract: Method and apparatus for distributing graywater from graywater sources exclusive of sewer sources has a plurality of distributors dispersed in a ground distribution area, each distributer having a cavity with a top and a bottom which is vertically displaced from the top, an inlet port in the top, and an outlet means, wherein the outlet means includes a graywater-to-ground interface means forming the bottom of the cavity. The outlet means is preferably a perforate screen and the cavity is preferably a frustoconical section designed for burial in the ground in a hole of less than about one foot in diameter. Gravity feed or pressure feed may force the graywater into the soil without allowing the graywater to stagnate. The shape of the cavity prevents vertical displacement of the distributor when it is buried. A one-time inlet connector port assures that feed conduit is not inadvertently removed. A filter system prevents graywater from backing up.
    Type: Grant
    Filed: January 23, 1992
    Date of Patent: June 8, 1993
    Inventor: Stephen W. Bilson