Patents by Inventor Glen A. Blackburn

Glen A. Blackburn 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).

  • Publication number: 20090199267
    Abstract: Internet filtering system to produce only desirable internet search returns and to block undesirable web sites by computer administrators (herein called governors) wishing to limit the access of internet content for themselves, their children, their employees or clients, using a consumer-governed internet web site rating system that is verified with a governor voting system and vote validation process.
    Type: Application
    Filed: January 12, 2009
    Publication date: August 6, 2009
    Inventor: David Glen Blackburn
  • Publication number: 20030183089
    Abstract: An adjustable one-piece round pie weight used to bake unfilled crusts in a pan or dish or to bake unfilled free-form crusts.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 2, 2003
    Inventors: David Glen Blackburn, Araceli Robles-Lopez Epousa Salamanca
  • Patent number: 4935399
    Abstract: Molecular sieves are used to remove sulfur compounds (e.g., COS and H.sub.2 S) from liquid hydrocarbon streams, particularly liquid propane. During regeneration of the sieves, some of the liquid hydrocarbons remains on the sieves and is lost be vaporization during the purge step and the liquid fill step. This invention reduces the loss by recovery and recycle of the vaporized hydrocarbons in the liquid recovery process.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: June 19, 1990
    Assignee: Amoco Corporation
    Inventors: Glen A. Blackburn, Richard B. Macon
  • Patent number: 4935400
    Abstract: Molecular sieves are used to remove sulfur compounds (e.g., COS and H.sub.2 S) from liquid hydrocarbon streams, particularly liquid propane. During regeneration of the sieves, some of the liquid hydrocarbons remains on the sieves and is lost by vaporization during the purge step and the liquid fill step. This invention reduces the loss by recovery and recycle of the vaporized hydrocarbons in the liquid recovery process.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: June 19, 1990
    Assignee: Amoco Corporation
    Inventors: Glen A. Blackburn, Richard B. Macon