Patents by Inventor Lars H. Nystrom

Lars H. Nystrom 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).

  • Pump including locking means for a flexible tube
    Patent number: 4412793
    Abstract: A pump for pumping a fluid through a flexible tube is disclosed including a housing having an inlet and an outlet, in which the inlet and outer include seats for retaining the flexible tube, and including an adjustable lock for locking the flexible tube against these seats at the inlet and outlet. This is preferably accomplished by a common actuator for simultaneously adjusting the locks at both the inlet and the outlet.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: November 1, 1983
    Assignee: Cambro Lundia AB
    Inventors: Kaj O. Stenberg, Lars H. Nystrom