Patents by Inventor Lorenz Asmus Engberg

Lorenz Asmus Engberg 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).

  • Valve with a closing member actuated by way of a diaphragm
    Patent number: 3946983
    Abstract: The invention relates to a pilot controlled, magnetic type of valve having a diaphragm with the outer edge floatably attached to the housing. Excessive deformation of the diaphragm is prevented by providing a supporting ring which is axially movable in relation to the body of the valve and has a conical surface which is engaged by the diaphragm and to which the diaphragm conforms when the valve is in an open position.
    Type: Grant
    Filed: August 7, 1974
    Date of Patent: March 30, 1976
    Assignee: Danfoss A/S
    Inventor: Lorenz Asmus Engberg