Patents by Inventor David Swisa

David Swisa 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).

  • Device and method for detecting the flow of a gas
    Patent number: 7055520
    Abstract: A device for detecting the flow of a gas from an opening comprising a chamber with an inlet, the chamber carrying a pressure displaceable member with an inner face exposed to the interior of the chamber and an outer face exposed to the ambient pressure such that the member is displaced as a result of the differential of the pressures; and a method of using the device and a method of manufacturing the device.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: June 6, 2006
    Inventor: David Swisa
  • Device and method for detecting the flow of a gas
    Publication number: 20030004427
    Abstract: A device for detecting the flow of a gas from an opening comprising a chamber with an inlet, the chamber carrying a pressure displaceable member with an inner face exposed to the interior of the chamber and an outer face exposed to the ambient pressure such that the member is displaced as a result of the differential of the pressures; and a method of using the device and a method of manufacturing the device.
    Type: Application
    Filed: January 17, 2001
    Publication date: January 2, 2003
    Inventor: David Swisa