Patents by Inventor Howard L. Empie, Jr.

Howard L. Empie, 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).

  • Recovery of heat and chemical values from spent pulping liquors
    Patent number: 4526760
    Abstract: An integrated apparatus and process for recovery of heat and chemical values from spent pulping liquors are disclosed. Novel means for recovering heat values and residual entrained solids from the combustion gases are provided.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: July 2, 1985
    Assignee: International Paper Co.
    Inventor: Howard L. Empie, Jr.
  • Recovery of heat and chemical values from spent pulping liquors
    Patent number: 4441959
    Abstract: An integrated process for recovery of heat and chemical values from spent pulping liquors are disclosed. Novel means for recovering heat values and residual entrained solids from the combustion gases are provided.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: April 10, 1984
    Assignee: International Paper Company
    Inventor: Howard L. Empie, Jr.