Patents by Inventor Max Kadner

Max Kadner 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).

  • Seating arrangements for poppet or non return valves
    Patent number: 4362185
    Abstract: A poppet or non-return valve, in particular for high speed cycle operation, comprising a valve chamber, a valve seat and a valve member movable in the valve chamber. The valve member has a grooved button which carries an O-ring which forms an elastomeric seal. The groove is so shaped that on closing of the valve the surface of the groove does not interfere with the deformation of the O-ring.
    Type: Grant
    Filed: May 13, 1981
    Date of Patent: December 7, 1982
    Inventor: Max Kadner