Patents by Inventor Ake Akerblom

Ake Akerblom 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).

  • Control valve, in particular two- or three-way valve for heat exchangers and the like
    Patent number: 4147182
    Abstract: An inner valve comprises a stem having one fixed inner valve part and one or more inner valve parts which upon rotation of the stem are axially movable relative to the fixed part so as to provide a port of continuously variable area. The stem, with its inner valve parts, is also axially movable. The inner valve may be used in different types of control valves such as a two- or three-way valve for feeding hot or cold fluid to a heat exchanger.
    Type: Grant
    Filed: February 23, 1977
    Date of Patent: April 3, 1979
    Assignee: INRECO AB
    Inventor: Ake Akerblom