Patents by Inventor James F. Mickowski

James F. Mickowski 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).

  • Method for providing existing building flat roof with drain restrictors
    Patent number: 7614198
    Abstract: A relatively flat roof of a structure is provided with a restricted flow roof drain assembly. The roof drain assembly includes a roof drain extending through an opening in the roof for receiving water collected on the roof. The drain has a predetermined maximum flow rate capacity. A flow restrictor is set on the roof, and surrounds the roof drain. The restrictor has a dam including at least one aperture. The at least one aperture has a variable flow rate capacity which is less than the maximum flow rate capacity of the roof drain.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: November 10, 2009
    Inventors: James S. Piskula, James F. Mickowski