Patents by Inventor John E. Idenden

John E. Idenden 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).

  • Fractionation system
    Patent number: 4545861
    Abstract: A method for decreasing the external energy input to a fractionation system is disclosed. The method utilizes a compression zone communicating with either the overhead fraction or the bottoms fraction from a fractionation zone. The method is directed at regulating the rate of energy addition and/or removal to the fractionation zone by at least one of the fractions returned to the fractionation zone to maintain the separated fractions within the desired limits.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: October 8, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventor: John E. Idenden
  • Fractionation system
    Patent number: 4395310
    Abstract: A method for decreasing the external energy input to a fractionation system is disclosed. The method utilizes a compression zone communicating with either the overhead fraction or the bottoms fraction from a fractionation zone. The method is directed at regulating the rate of energy addition and/or removal to the fractionation zone by at least one of the fractions returned to the fractionation zone to maintain the separated fractions within the desired limits.
    Type: Grant
    Filed: July 14, 1981
    Date of Patent: July 26, 1983
    Assignee: Exxon Research and Engineering Co.
    Inventor: John E. Idenden