Patents by Inventor Elwood W. Harke

Elwood W. Harke 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).

  • Absorbent article with inversely related gradients
    Patent number: 5462537
    Abstract: An absorbent article is provided with inversely related basis weight and density gradients for absorbing and retaining body liquids. A central target area of the absorbent article has an average higher basis weight and a lower average density than end areas. Superabsorbent material is selectively disposed within the article.
    Type: Grant
    Filed: July 31, 1991
    Date of Patent: October 31, 1995
    Assignee: Kimberly-Clark Corporation
    Inventors: James M. Carr, Elwood W. Harke
  • Agglomerated cellulosic particles
    Patent number: 4621011
    Abstract: A cellulosic particle, especially useful as a cat litter, is manufactured by agglomerating a fibrous cellulosic feed material in the presence of water, compacting the surface of the agglomerated particles, and drying the particles.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: November 4, 1986
    Assignee: Kimberly-Clark Corporation
    Inventors: Glen R. Fleischer, Barry B. Glashagel, Elwood W. Harke, Robert C. Sokolowski, James E. Fay
  • Method of making agglomerated cellulosic particles using a substantially horizontal rotating drum
    Patent number: 4560527
    Abstract: A method of making agglomerated cellulosic particles, particularly useful as a cat litter, comprises agglomerating a moist blend of fibers, aggregates of fibers, and/or fiber-sized pieces of a fibrous cellulosic material in a substantially horizontal rotating drum to form agglomerated particles; compacting surfaces of the particles; and drying the particles.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: December 24, 1985
    Assignee: Kimberly-Clark Corporation
    Inventors: Elwood W. Harke, Robert C. Sokolowski, Russell L. Johnson