Patents by Inventor Jordan Spencer Flagstad

Jordan Spencer Flagstad 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: 6997977
    Abstract: A duct for passage of air therethough; one particular use for the duct is as a passage for intake air for a vehicle engine. The duct has an interior, adsorptive region that is adapted to remove contaminants from the air stream passing therethrough. The adsorptive region includes adsorptive material such as carbon (usually activated carbon), activated alumina, zeolites, metal oxides or ion exchange resin. The duct inhibits diffusion of uncombusted gasoline back through the duct from the engine, after the engine has been shut off.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: February 14, 2006
    Assignee: Donaldson Company, Inc.
    Inventors: Andrew James Dallas, Steven Alan Carter, Jordan Spencer Flagstad, Lefei Ding, Jon Dennis Joriman
  • Publication number: 20040069146
    Abstract: A duct for passage of air therethough; one particular use for the duct is as a passage for intake air for a vehicle engine. The duct has an interior, adsorptive region that is adapted to remove contaminants from the air stream passing therethrough. The adsorptive region includes adsorptive material such as carbon (usually activated carbon), activated alumina, zeolites, metal oxides or ion exchange resin. The duct inhibits diffusion of uncombusted gasoline back through the duct from the engine, after the engine has been shut off.
    Type: Application
    Filed: July 31, 2003
    Publication date: April 15, 2004
    Inventors: Steven Alan Carter, Jordan Spencer Flagstad, Lefei Ding, Jon Dennis Joriman, Andrew James Dallas