Patents by Inventor Barry N. Horowitz

Barry N. Horowitz 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).

  • Flow rate threshold sensor
    Patent number: 4747364
    Abstract: A flow rate sensor for use with an air filter channels air flow to energize an audible sound generator upon development of an air pressure differential within the sensor above a settable threshold, which pressure differential results from a reduction in the air flow rate through the air filter due to clogging of the air filter by filtered matter.
    Type: Grant
    Filed: August 5, 1986
    Date of Patent: May 31, 1988
    Assignee: Filter Alert Corporation
    Inventor: Barry N. Horowitz