Patents by Inventor Robert A. Sourek, Jr.

Robert A. Sourek, 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).

  • Patent number: 6619234
    Abstract: An absorbent compacted composition is disclosed. The absorbent compacted composition of the present invention consists essentially of clay, a finely divided cellulosic material, such as fir, and finely divided pine. The amount of finely divided cellulosic material and finely divided pine is enough to bind the composition into a compacted form without additional binders or water addition. Also, the amount of pine is sufficient to reduce the friction heat during compaction to no greater than about 200° F.
    Type: Grant
    Filed: June 6, 2002
    Date of Patent: September 16, 2003
    Inventor: Robert A. Sourek, Jr.
  • Patent number: 6401662
    Abstract: An absorbent compacted composition is disclosed. The absorbent compacted composition of the present invention consists essentially of clay, a finely divided cellulosic material, such as fir, and finely divided pine. The amount of finely divided cellulosic material and finely divided pine is enough to bind the composition into a compacted form without additional binders or water addition. Also, the amount of pine is sufficient to reduce the friction heat during compaction to no greater than about 200° F.
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: June 11, 2002
    Inventor: Robert A. Sourek, Jr.
  • Patent number: 6363888
    Abstract: An absorbent compacted composition is disclosed. The absorbent compacted composition of the present invention consists essentially of zeolite, a finely divided cellulosic material, such as fir, and finely divided pine. The amount of finely divided cellulosic material and finely divided pine is enough to bind the composition into a compacted form without additional binders or water addition. Also, the amount of pine is sufficient to reduce the friction heat during compaction to no greater than about 200° F.
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: April 2, 2002
    Inventor: Robert A. Sourek, Jr.