Patents by Inventor Stephen A. Hoyt

Stephen A. Hoyt 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).

  • Digester method for processing farm waste
    Patent number: 6572772
    Abstract: A digester method and system for processing farm waste is provided. Specifically, the present invention provides a small-scale digester that processes approximately 0.1% to 10% of a raw waste stream at a temperature of approximately 100° F. The remaining 90% to 99.1% of the raw waste stream is directed to a waste lagoon without passing through the digester. Once the digester has processed the waste stream directed thereto, the processed waste is fed to the waste lagoon thereby inducing greater methane production.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: June 3, 2003
    Inventor: Stephen A. Hoyt
  • Digester method and system for processing farm waste
    Patent number: 6503394
    Abstract: A digester method and system for processing farm waste is provided. Specifically, the present invention provides a small-scale digester that processes approximately 0.1% to 10% of a raw waste stream at a temperature of approximately 100° F. The remaining 90% to 99.1% of the raw waste stream is directed to a waste lagoon without passing through the digester. Once the digester has processed the waste stream directed thereto, the processed waste is fed to the waste lagoon thereby inducing greater methane production.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: January 7, 2003
    Inventor: Stephen A. Hoyt
  • Digester method and system for processing farm waste
    Publication number: 20020056685
    Abstract: A digester method and system for processing farm waste is provided. Specifically, the present invention provides a small-scale digester that processes approximately 0.1% to 10% of a raw waste stream at a temperature of approximately 100° F. The remaining 90% to 99.1% of the raw waste stream is directed to a waste lagoon without passing through the digester. Once the digester has processed the waste stream directed thereto, the processed waste is fed to the waste lagoon thereby inducing greater methane production.
    Type: Application
    Filed: November 30, 2001
    Publication date: May 16, 2002
    Inventor: Stephen A. Hoyt