Patents by Inventor Timothy C. Pegnim

Timothy C. Pegnim 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: 4207161
    Abstract: A dissolved oxygen analyzer which includes a sensor having a lead electrode and lead wire extending therefrom and a silver electrode and silver wire extending therefrom. The electrodes are immersed in an electrolyte and both metals are substantially pure. The silver electrode is positioned in adjoining relationship to an oxygen permeable membrane immersed in a sample water stream being tested. The sensor further includes a pressure equalizing diaphragm in communication with the sample water to maintain uniformity of pressure in the sensor with that of the water and a constant head tank maintains uniform water pressure and a thermistor monitors the water temperature and modifies the output of an amplifier connected to said wires to compensate for temperature changes.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: June 10, 1980
    Assignee: Cambridge Instrument Company, Inc.
    Inventor: Timothy C. Pegnim
  • Patent number: 4050079
    Abstract: Electrocardiographic apparatus wherein said apparatus is contained within a wholly insulated enclosure and the recording assembly including writing pens is provided with means for placing an insulating barrier in a position to protect the pens when replenishing the recording paper.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: September 20, 1977
    Assignee: Cambridge Instrument Company, Inc.
    Inventors: Timothy C. Pegnim, Larry R. France, John G. Sherman, Claude MacQuignon