Patents by Inventor Sten Bertil Olsson

Sten Bertil Olsson 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).

  • Method and apparatus for arterial reperfusion through noninvasive ultrasonic action
    Patent number: 5713831
    Abstract: A method and apparatus for arterial reperfusion through non-invasive ultrasonic action transforms supplied energy into ultrasound signals and transmits the ultrasound signals into a body sufficiently to influence the dissolution of thrombus in a blood vessel in the body. A transducer for the transmitting has piezoelectric crystals, the crystals respectively sending the ultrasound signals each with a defined energy level and at least one frequency in an individual direction non-simultaneously with any other of the crystals.
    Type: Grant
    Filed: September 16, 1994
    Date of Patent: February 3, 1998
    Inventor: Sten Bertil Olsson