Patents by Inventor Richard W. Faupel

Richard W. Faupel 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 magnetically filtering wastewaters containing oil-coated mill scale
    Patent number: 5989435
    Abstract: Electro-magnetic filter apparatus and method of operating to separate and remove oily magnetic solids from wastewaters. The filter apparatus includes a filter assembly having an electro-magnetic coil that encircles a canister. The canister has an interior space defined by a wall surface and a first perforated baffle spaced apart from a second perforated baffle. The interior space contains a ferromagnetic matrix comprising split ring lock washers. The feed side end portion of the canister communicates with the wastewater source that contains the oily magnetic solids, a wash-water supply, a pressurized air supply and a disposal stream. The discharge side end portion of the canister communicates with a recycling stream, the disposal stream and the wash-water supply.
    Type: Grant
    Filed: January 21, 1998
    Date of Patent: November 23, 1999
    Assignee: Bethlehem Steel Corporation
    Inventors: Stewart T. Herman, Robert L. Greenawalt, Richard W. Faupel
  • Apparatus for magnetically filtering wastewaters containing oil-coated mill scale
    Patent number: 5766450
    Abstract: Electro-magnetic filter apparatus and method of operating to separate and remove oily magnetic solids from wastewaters. The filter apparatus includes a filter assembly having an electro-magnetic coil that encircles a canister. The canister has an interior space defined by a wall surface and a first perforated baffle spaced apart from a second perforated baffle. The interior space contains a ferromagnetic matrix comprising split ring lock washers. The feed side end portion of the canister communicates with the wastewater source that contains the oily magnetic solids, a wash-water supply, a pressurized air supply and a disposal stream. The discharge side end portion of the canister communicates with a recycling stream, the disposal stream and the wash-water supply.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: June 16, 1998
    Assignee: Bethlehem Steel Corporation
    Inventors: Stewart T. Herman, Robert L. Greenawalt, Richard W. Faupel