Patents by Inventor ARNOLD FRED SPRECHER

ARNOLD FRED SPRECHER 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).

  • ISOLATED MAGNETOSTRICTIVE BUFFERED LIQUID LEVEL SENSOR
    Publication number: 20100219812
    Abstract: A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation.
    Type: Application
    Filed: May 10, 2010
    Publication date: September 2, 2010
    Applicant: MTS Systems Corporation
    Inventors: Rodney Barr, Michael L. Gloden, Arnold Fred Sprecher, JR.
  • Isolated magnetostrictive buffered liquid level sensor
    Patent number: 7345472
    Abstract: A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: March 18, 2008
    Assignee: MTS Systems Corp.
    Inventors: Rodney Barr, Michael L. Gloden, Arnold Fred Sprecher, Jr.
  • Application probe
    Publication number: 20040090225
    Abstract: A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation.
    Type: Application
    Filed: June 30, 2003
    Publication date: May 13, 2004
    Inventors: Rodney Barr, Michael L. Gloden, Arnold Fred Sprecher
  • Explosion proof magnetostrictive probe
    Patent number: 6612168
    Abstract: A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: September 2, 2003
    Assignee: MTS Systems Corporation
    Inventors: Rodney Barr, Michael L. Gloden, Arnold Fred Sprecher, Jr.
  • APPLICATION PROBE
    Publication number: 20010052772
    Abstract: A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation.
    Type: Application
    Filed: March 10, 1997
    Publication date: December 20, 2001
    Inventors: RODNEY BARR, MICHAEL L. GLODEN, ARNOLD FRED SPRECHER
  • Local buffer circuit for sonic waveguides
    Patent number: 5736855
    Abstract: A local buffer circuit for use with a magnetostrictive transducer is disclosed wherein the magnetostrictive transducer includes a pickup coil and the local buffer circuit includes two diodes in parallel with the pickup coil to clip or short the energy produced in the pickup coil generated by an interrogation pulse, and also includes a common emitter amplifier to reduce the electrical impedance of the pickup coil, also in parallel with the pickup coil.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: April 7, 1998
    Inventors: Stephen Williams Smith, Arnold Fred Sprecher, Jr.