Patents by Inventor Herbert Heinz Loeffler

Herbert Heinz Loeffler 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).

  • Adjustable fluid flow regulator
    Patent number: 4096879
    Abstract: A rate of flow regulator comprising upper and lower fluid chambers, the upper chamber having a double acting float valve to maintain a predetermined level of fluid therein, vent means venting each chamber to atmosphere, and metering means for regulating fluid flow to the lower chamber, the height of said upper chamber being adjustable relative to said metering means to change the fluid flow rate.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: June 27, 1978
    Assignee: International Biomedical Laboratories, Inc.
    Inventors: Juan Ricardo Serur, Herbert Heinz Loeffler