Patents by Inventor Patrick J. Heenan

Patrick J. Heenan 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).

  • Thermoelectric heat pump fluid circuit
    Patent number: 6295819
    Abstract: A thermoelectric heat pump fluid circuit apparatus (10) for alternately delivering hot and cold fluids to an end device (12) such as a therapeutic wrap or pad. The apparatus includes a heat pump (14), a fluid circuit (16) coupled with the heat pump and having a fluid contained therein, a pump (18) interposed in the fluid circuit for circulating the fluid therein, and a valve (20) interposed in the fluid circuit for selectively delivering fluid from the fluid circuit to a device coupled with the apparatus.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: October 2, 2001
    Assignee: Midwest Research Institute
    Inventors: Balakrishnan Mathiprakasam, Patrick J. Heenan