Patents by Inventor Karl Adamson

Karl Adamson 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: 5911540
    Abstract: The subterranean liquid distribution or liquid routing apparatus utilizing a housing having a wall portion forming an inner chamber. The housing includes inner and outer surfaces, the former defining the inner chamber of the housing. A plurality of apertures in the wall portion of the housing permit communication with the inner chamber and allow liquids to pass either into or out of the inner chamber. At least a pair of protuberances extend from the inner surface of the wall portion of the housing in contact one another to prevent collapsing of the housing chamber. An opening is also found to the housing chamber in spaced relationship to the plurality of apertures which generally serves as the drainage or source of the liquid being distributed by the apparatus.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: June 15, 1999
    Inventor: Karl Adamson
  • Patent number: D444842
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: July 10, 2001
    Inventor: Karl Adamson