Patents by Inventor Nels R. Ebbesen

Nels R. Ebbesen 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).

  • Fresh air flor modulation device
    Patent number: 5741180
    Abstract: A device for monitoring and modulating the admission of fresh air into a building. The device comprises a housing; a sensor associated with the housing and operable to measure airflow through the housing; and a damper including at least two damper blades. Each damper blade includes a shaft rotatably attached to the housing at least at a first shaft end. The shaft is located on the surface of the damper blade so as to divide the surface into first and second substantially equal areas.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: April 21, 1998
    Assignee: American Standard Inc.
    Inventors: Lunxi Peter Xia, Rolf M. Hanson, Nels R. Ebbesen, Michael G. Lunacek, Robert M. Swanson, Dennis R. Dorman, Jeffrey A. Moore
  • Fresh air flow modulation device
    Patent number: 5674125
    Abstract: A device for monitoring and modulating the admission of fresh air into a building. The device comprises a housing; a sensor associated with the housing and operable to measure airflow through the housing; and a damper including at least two damper blades. Each damper blade includes a shaft rotatably attached to the housing at least at a first shaft end. The shaft is located on the surface of the damper blade so as to divide the surface into first and second substantially equal areas.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: October 7, 1997
    Assignee: American Standard Inc.
    Inventors: Lunxi Peter Xia, Rolf M. Hanson, Nels R. Ebbesen, Michael G. Lunacek, Robert M. Swanson, Dennis R. Dorman, Jeffrey A. Moore