Patents by Inventor Warren Schaier

Warren Schaier 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).

  • Patent number: 4935132
    Abstract: A drain pipe filter which includes a wire cage, first and second circular rims and a plurality of oil absorbing elongated fibers. The filter is placed within a drain pipe and functions to absorb oily contaminants exiting a storm drain. The first and second circular rims which are formed of a flexible material are molded integrally with the wire cage providing a water tight seal and flexibility within the environment of the drain pipe. The oil absorbing elongated fibers are adhered to the wire cage in a plurality of locations and are also adhered to an inner conical wire which is integrally formed with the second rim.
    Type: Grant
    Filed: February 22, 1989
    Date of Patent: June 19, 1990
    Inventor: Warren Schaier
  • Patent number: 4887933
    Abstract: A plastic shield which is generally rectangular and convex in shape is inserted into a storm drain to provide protection to a storm drain outlet from cleaning tools. The shield is constructed in two sections and is moveably connected to the storm drain to allow workman easy access to the storm drain outlet.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: December 19, 1989
    Inventor: Warren Schaier