Patents by Inventor Leo R. Callewyn

Leo R. Callewyn 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: 4133658
    Abstract: An industrial dust collection system for collecting dust created by operation of a machine comprising dust collecting and storage means remote from the machine; a cyclone chamber means associated with the dust collecting and storage means for receiving dust laden air from the machine; forced air blower fan means associated with the cyclone chamber means for establishing a continuous induced flow of dust laden air from the machine to the fan means and for establishing a flow of dust laden air from the fan means to the cyclone chamber means; flow direction control means in the chamber means for establishing a circular and axially downward flow of dust laden air within the cyclone chamber means; vortex chamber means within the cyclone chamber means for establishing an upward flow of air in the center of said cyclone chamber means; and dust discharge passage means connecting said cyclone chamber means to said dust collecting means for transfer of dust from said cyclone chamber means to said dust collecting means
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: January 9, 1979
    Inventor: Leo R. Callewyn