Patents by Inventor Ulf H. Danielsson

Ulf H. Danielsson 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).

  • Flow meter
    Patent number: 4182172
    Abstract: This invention relates to a flow meter of a fluidistor oscillator type, which has its principal use when measuring the ventilation of a moving human being or animal. Thanks to the special design of the flow meter it can be made small, light and portable at the same time as the pressure drop in it is minimal.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: January 8, 1980
    Inventors: Lennart A. Wennberg, Ulf H. Danielsson