Patents by Inventor R. H. Long

R. H. Long 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).

  • Gravity settling
    Patent number: 4213862
    Abstract: Solids are separated from a liquid in a gravity settler provided with inclined solid intercepting surfaces to intercept the solid settling path to coalesce the solids and increase the settling rate. The intercepting surfaces are inverted V-shaped plates, each formed from first and second downwardly inclined essentially planar sections which extend from the apex within the vessel to the lower portion thereof adjacent the vessel wall.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: July 22, 1980
    Assignee: The Lummus Company
    Inventors: H. R. Davis, R. H. Long, A. A. Simone
  • Gravity settling
    Patent number: 4133758
    Abstract: Solids are separated from a liquid in a gravity settler provided with inclined solid intercepting surfaces to intercept the solid settling path to coalesce the solids and increase the settling rate. The intercepting surfaces are inverted V-shaped plates, each formed from first and second downwardly inclined upwardly curved intersecting conical sections having their apices at the vessel wall.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: January 9, 1979
    Assignee: The Lummus Company
    Inventors: Hyman R. Davis, R. H. Long, A. A. Simone