Patents by Inventor Erwin E. Stocker

Erwin E. Stocker 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: 5028056
    Abstract: The composite sealing element of the invention includes an elastomeric sealing lip portion and a base portion, chemically bonded to the sealing lip comprised of an elastomer reinforced with discrete dispersed fibers oriented in a preferential manner, and the sealing lip and base portions being chemically bonded together such as by covulcanization to form an integral sealing element resistant to delamination. The method involved forming a fiber loaded sheet in which the fibers are oriented generally unidirectionally, plying up the sheet to form the base portion of the sealing element, and molding the finished article under heat and pressure.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: July 2, 1991
    Assignee: The Gates Rubber Company
    Inventors: Steve Bemis, Erwin E. Stocker
  • Patent number: 5004513
    Abstract: The composite sealing element of the invention includes an elastomeric sealing lip portion and a base portion, chemically bonded to the sealing lip comprised of an elastomer reinforced with discrete dispersed fibers oriented in a preferential manner, and the sealing lip and base portions being chemically bonded together such as by covulcanization to form an integral sealing element resistant to delamination. The method involved forming a fiber loaded sheet in which the fibers are oriented generally unidirectionally, plying up the sheet to form the base portion of the sealing element, and molding the finished article under heat and pressure.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: April 2, 1991
    Assignee: The Gates Rubber Company
    Inventors: Steve Bemis, Erwin E. Stocker