Patents by Inventor Lars I. Ohlsson

Lars I. Ohlsson 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).

  • Apparatus for the measurement of fluid flow
    Patent number: 4650458
    Abstract: Apparatus is disclosed for the measurement and replacement of physiological fluids including a meter for measuring the amount of a physiological fluid flowing through the meter, a first conduit for continuously delivering the physiological fluid to the meter, a second conduit for replacing the measured amount of physiological fluid with a corresponding amount of a replacement fluid, and a pressure equalizer associated with the first conduit for equalizing the pressure in the physiological fluid flowing through the first conduit whereby the flow of the physiological fluid through the meter is substantially unaffected by pressure variations in the physiological fluid itself.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: March 17, 1987
    Assignee: Gambro Lundia AB
    Inventors: Bengt A. G. Dahlberg, Jan-Bertil Jeppsson, Lars I. Ohlsson, Tord B. Simonsson