Patents by Inventor John W. Kaakinen

John W. Kaakinen 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).

  • Combination filter block and effluent flow deflector
    Patent number: 5445735
    Abstract: There is disclosed a device for both holding a filter element and deflecting and draining filter effluent, which may be adapted to utilize one or more disposable filter cartridges. The device can be used in systems for performing analytical tests which include a filtration step, and is particularly useful in systems for measuring the fouling potential of water containing particulates.
    Type: Grant
    Filed: January 19, 1995
    Date of Patent: August 29, 1995
    Inventor: John W. Kaakinen
  • Water-borne particulate-measuring apparatus
    Patent number: 5253514
    Abstract: Apparatus for measuring, on an automated and batch basis, the fouling potential of larger particulate-containing feed water is disclosed.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: October 19, 1993
    Inventor: John W. Kaakinen