Patents by Inventor Keith D. St. Pierre

Keith D. St. Pierre 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).

  • Publication number: 20170050426
    Abstract: A stencil for applying a viscous material to a substrate includes a substantially planar plate affixed to the substrate, the plate having at least one aperture of a first dimension and at least one relief hole of a second dimension, the at least one aperture configured to align with a printing surface of the substrate and the at least one relief hole configured to align with a feature having a height greater than the printing surface; and a mask attached to a top surface of the plate and positioned over the at least one relief hole to protect the feature having the height greater than the printing surface from
    Type: Application
    Filed: August 20, 2015
    Publication date: February 23, 2017
    Inventors: Keith D. St. Pierre, Neil S. Petrarca
  • Patent number: 5974893
    Abstract: A combined fluid pressure and temperature sensor device 10 has a variable capacitor (14) formed of a rigid substrate (14a) and flexible diaphragm (14b) attached thereto in sealed, spaced apart relation by an annular glass seal (34). The capacitor is received in a fluid passage chamber (12e) of a housing (12) having a fluid port (12b) for coupling to a fluid pressure source to be monitored. A connector (20) mounting transducer terminal pins is received in an open end of the housing with an electric circuit chamber (20d) formed between the connector and the variable capacitor which receives signal conditioning circuitry (26). A temperature responsive thermistor (32) is disposed, in one embodiment, on the exposed face of the diaphragm and is provided with electrical traces (32a, 32b) which go through apertures 14k, 14j) in the diaphragm into electrical contact with connection pads on the substrate within a glass enclosed window (34k, 34j).
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: November 2, 1999
    Assignee: Texas Instruments Incorporated
    Inventors: Richard L. Balcarek, Keith D. St. Pierre, Douglas B. Strott