Patents by Inventor Robert T. Fritz

Robert T. Fritz 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: 4772380
    Abstract: A mixture of cooling liquids and solid pieces of waste from machine tools drop onto an inclined bottom wall of the upper, generally vertically disposed section of an inverted, generally Y-shaped feed chute. One of the two lower, diverging chute sections extends downwardly and rearwardly beneath the upper chute section to a chip wringer, and has its upper end positioned beneath the lower edge of the inclined bottom wall of the upper section to receive the liquids and lighter pieces of waste which tend to drop by gravity into this one lower section. The other lower section of the chute is in general alignment with the inclined bottom wall of the upper section to receive the larger pieces of waste which, because of their momentum or size pass beyond the one lower section and into the other lower section. A stream of air which is directed transversely across the lower end of the upper section blows the remaining liquids and light waste into the one lower section.
    Type: Grant
    Filed: February 5, 1987
    Date of Patent: September 20, 1988
    Assignee: French Systems, Inc.
    Inventors: Gerhardt H. Cramer, Robert T. Fritz