Patents Assigned to David Leason
  • Drinking bowl with agitator for household pets
    Patent number: 6044797
    Abstract: A drinking bowl for household pets having an agitator is disclosed to prevent the water in the drinking bowl from remaining stagnant when a household pet is not drinking therefrom. The agitator may be an aerating device such as an air pump, a rotating impeller, or an acoustic or mechanical driver. The agitation may induce a circulation in the water so that debris floating therein can be collected. A backflow preventing device may also be included.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: April 4, 2000
    Assignee: David Leason
    Inventors: David Leason, Scott L. Sullivan