Patents by Inventor Lennart Ingvar Brendling

Lennart Ingvar Brendling 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).

  • Tube valve
    Patent number: 3977409
    Abstract: A tube valve for use in a catheter tube, the valve having two bodies inserted in the tube, the bodies filling the cross-sectional area of the tube. Each of the bodies is provided with at least one through opening which, in the closed position of the valve in which the two bodies are in coaxial alignment with one another, is closed by the tube or by the other body but can be exposed by elastic deformation of the tube while simultaneously displacing the bodies out of coaxial alignment.
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: August 31, 1976
    Inventor: Lennart Ingvar Brendling