Patents by Inventor Royce J. Face

Royce J. Face 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).

  • Portable groundwater sampling system
    Patent number: 6938691
    Abstract: A portable groundwater sampling system utilizing an air pump in combination with a sampling tank, valves, and a pressure gauge to sample a liquid from a below ground surface monitoring well. The system includes a portable power supply for energizing the air pump and is mounted on wheels for mobility. The system also may include a flat work surface and storage container.
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: September 6, 2005
    Inventor: Royce J. Face
  • Portable groundwater sampling system
    Publication number: 20040244965
    Abstract: A portable groundwater sampling system utilizing an air pump in combination with a sampling tank, valves, and a pressure gauge to sample a liquid from a below ground surface monitoring well. The system includes a portable power supply for energizing the air pump and is mounted on wheels for mobility. The system also may include a flat work surface and a storage container.
    Type: Application
    Filed: June 6, 2003
    Publication date: December 9, 2004
    Inventor: Royce J. Face