Patents by Inventor William H. Wiggins, Jr.

William H. Wiggins, 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).

  • Process for compacting powders
    Publication number: 20130168883
    Abstract: Fluffy powders, such as calcined kaolin clays or air floated clays, can be compacted using a process which comprises applying increasing amounts of pressure to a powder moving through a confinement area. The compacted product has an improved bulk density and improved wet out and slurry incorporation times as compared to the non-compacted starting material feed.
    Type: Application
    Filed: February 20, 2013
    Publication date: July 4, 2013
    Inventor: William H. Wiggins, JR.
  • Process for compacting calcined kaolin clay
    Patent number: 6761763
    Abstract: Calcined kaolin clay having a high bulk density, improved wet out and slurry incorporation times is produced by using pressure to compact the clay. Other properties of the compacted clay are improved or equivalent to the non-compacted starting calcined clay material.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: July 13, 2004
    Assignee: Thiele Kaolin Company
    Inventors: William H. Wiggins, Sr., Andrea L. Crabb, William H. Wiggins, Jr.