Patents by Inventor Brian Watchel

Brian Watchel 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).

  • Float adapted to track an interface between two liquids of differing density
    Patent number: 7066024
    Abstract: A float adapted to track an interface between two liquids of differing density, includes a hollow buoyant body having an interior cavity adapted to retain liquid. At least one upper access opening is provided in the body, which is adapted to permit filling of the interior cavity with liquid. The interior cavity is capable of holding sufficient liquid to retard the buoyancy of the body. By filling the interior cavity with a liquid of a first density, the hollow buoyant body can be made to float at an interface with a lighter liquid of a second density.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: June 27, 2006
    Inventor: Brian Watchel
  • Float adapted to track an interface between two liquids of differing density
    Publication number: 20050087014
    Abstract: A float adapted to track an interface between two liquids of differing density, includes a hollow buoyant body having an interior cavity adapted to retain liquid. At least one upper access opening is provided in the body, which is adapted to permit filling of the interior cavity with liquid. The interior cavity is capable of holding sufficient liquid to retard the buoyancy of the body. By filling the interior cavity with a liquid of a first density, the hollow buoyant body can be made to float at an interface with a lighter liquid of a second density.
    Type: Application
    Filed: October 12, 2004
    Publication date: April 28, 2005
    Inventor: Brian Watchel