Patents by Inventor Fred Rowe

Fred Rowe 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).

  • Process system including fluid flow control apparatus
    Patent number: 4686086
    Abstract: Apparatus is provided for controlling liquid levels in different vessels, and the blending of different materials in the separation and purification of polymeric materials in solution, such as polyethylene in cyclohexane.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: August 11, 1987
    Assignee: Phillips Petroleum Company
    Inventor: Fred Rowe
  • Process control for flash concentrating solutions containing polyolefins
    Patent number: 4495028
    Abstract: Apparatus and methods are provided for controlling liquid levels in different vessels, and the blending of different materials in the separation and purification of polymeric materials in solution, such as polyethylene in cyclohexane.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: January 22, 1985
    Assignee: Phillips Petroleum Company
    Inventor: Fred Rowe
  • Process control for flash concentrating solutions containing polyolefins
    Patent number: 4375524
    Abstract: Apparatus and methods are provided for controlling liquid levels in different vessels, and the blending of different materials in the separation and purification of polymeric materials in solution, such as polyethylene in cyclohexane.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: March 1, 1983
    Assignee: Phillips Petroleum Company
    Inventor: Fred Rowe