Patents by Inventor Stephen D. Feint

Stephen D. Feint 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).

  • Filter cartridge with end densification ring
    Patent number: 5225077
    Abstract: A filter cartridge comprising a pleated, cylindrical filter element is provided with an end densification ring to cause the ends of the pleats to pack together more tightly. In this configuration they can be more easily and securely sealed in an end cap closing off an end of the filter cartridge.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: July 6, 1993
    Assignee: Pall Corporation
    Inventor: Stephen D. Feint
  • Filter cartridge with end densification ring
    Patent number: 5130023
    Abstract: A filter cartridge comprising a pleated, cylindrical filter element is provided with an end densification ring to cause the ends of the pleats to pack together more tightly. In this configuration they can be more easily and securely sealed in an end cap closing off an end of the filter cartridge.
    Type: Grant
    Filed: April 3, 1989
    Date of Patent: July 14, 1992
    Assignee: Pall Corporation
    Inventor: Stephen D. Feint