Patents by Inventor Sorin Kranzdorf

Sorin Kranzdorf 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).

  • Fan one way air valve
    Patent number: 6554698
    Abstract: A valve for a vent. The valve includes an inner leaf having a closed state which covers the vent and blocks gas flow through the vent in a first direction, and an open state which opens the vent and allows gas flow through the vent in a second direction. The valve includes an outer leaf opposing the inner leaf. A method for controlling gas flow through a vent. The method includes the steps of moving an inner leaf and an outer leaf opposing the inner leaf on the vent from a closed state which covers the vent and blocks gas flow through the vent in a first direction to an open state which opens the vent and allows gas flow through the vent in a second direction with gas flow moving in the second direction through the vent. Then there is the step of stopping the gas flow in the second direction allowing the inner leaf and the outer leaf to each move to the closed state.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: April 29, 2003
    Assignee: Marconi Communications, Inc.
    Inventors: Sorin Kranzdorf, Lan Tang
  • Fan one way air valve
    Publication number: 20020068523
    Abstract: A valve for a vent. The valve includes an inner leaf having a closed state which covers the vent and blocks gas flow through the vent in a first direction, and an open state which opens the vent and allows gas flow through the vent in a second direction. The valve includes an outer leaf opposing the inner leaf. A method for controlling gas flow through a vent. The method includes the steps of moving an inner leaf and an outer leaf opposing the inner leaf on the vent from a closed state which covers the vent and blocks gas flow through the vent in a first direction to an open state which opens the vent and allows gas flow through the vent in a second direction with gas flow moving in the second direction through the vent. Then there is the step of stopping the gas flow in the second direction allowing the inner leaf and the outer leaf to each move to the closed state.
    Type: Application
    Filed: December 5, 2000
    Publication date: June 6, 2002
    Inventors: Sorin Kranzdorf, Lan Tang