Patents by Inventor Charles L. Bates, Jr.

Charles L. Bates, Jr. 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).

  • Controlled pressure drop valve
    Patent number: 4060099
    Abstract: A valve having stacked disks with alternate circular grooves in the faces thereof to provide a high pressure drop surface in fluid flow transverse to said grooves and ridges. The disks are circular in shape with a circular center opening to provide a central fluid opening when the disks are stacked with the center openings in register. Fluid enters the center opening and flows radially between the adjacent faces of a pair of disks to flow transversely across the continuous circular grooves and ridges.
    Type: Grant
    Filed: January 3, 1975
    Date of Patent: November 29, 1977
    Inventor: Charles L. Bates, Jr.
  • Controlled pressure drop valve
    Patent number: RE31105
    Abstract: A valve having stacked disks with alternate circular grooves in the faces thereof to provide a high pressure drop surface in fluid flow transverse to said grooves and ridges. The disks are circular in shape with a circular center opening to provide a central fluid opening when the disks are stacked with the center openings in register. Fluid enters the center opening and flows radially between the adjacent faces of a pair of disks to flow transversely across the continuous circular grooves and ridges.
    Type: Grant
    Filed: August 30, 1978
    Date of Patent: December 21, 1982
    Inventor: Charles L. Bates, Jr.