Patents by Inventor Clive J. Shiff

Clive J. Shiff 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).

  • Apparatus for the separation of cystic parasite forms from water
    Patent number: 7107824
    Abstract: A continuous flow centrifuge adapted with an insert of glass beads, sand or the like is used to concentrate cysts of microorganisms such as giardia or cryptosporidium from large volumes of water. The apparatus and methods are useful for the detection of contaminating microoorganisms in groundwater and public drinking water.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: September 19, 2006
    Assignee: Johns Hopkins University
    Inventors: Clive J. Shiff, Thaddeus K. Graczyk