Patents by Inventor Almary M. Hivale

Almary M. Hivale 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).

  • I.V. alert system
    Patent number: 5088990
    Abstract: An intravenous alert system that uses CMOS circuitry. An infrared transmitter and receiver detects drops as they fall through a drip chamber. Each passing drop retriggers a counter. If the counter is not retriggered after a certain set delay time an alarm signal is sent out. The device uses both audio and visual alarms. A special adjustable housing contains all of the electronic components of the alert system.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: February 18, 1992
    Inventors: Ronald S. Hivale, Almary M. Hivale