Patents by Inventor Matthew T. Crisfield

Matthew T. Crisfield 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: 10024702
    Abstract: A case (330) for a vibrating meter (300) is provided. The case (330) includes a first panel (331a) defined by at least a first edge (333) and a second edge (334). The case (330) also includes one or more indentations (332) formed in the first panel (331a). The one or more indentations (332) include at least a portion extending from the first edge (333) to the second edge (334). The resonant frequencies of the case can be increased and separated from the intended drive frequencies of the fluid conduits (306A, 306B).
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: July 17, 2018
    Assignee: Micro Motion, Inc.
    Inventors: Xiang Feng, Muyuan Liu, Matthew T Crisfield, Yang Ye
  • Publication number: 20150300860
    Abstract: A case (330) for a vibrating meter (300) is provided. The case (330) includes a first panel (331a) defined by at least a first edge (333) and a second edge (334). The case (330) also includes one or more indentations (332) formed in the first panel (331a). The one or more indentations (332) include at least a portion extending from the first edge (333) to the second edge (334). The resonant frequencies of the case can be increased and separated from the intended drive frequencies of the fluid conduits (306A, 306B).
    Type: Application
    Filed: December 17, 2012
    Publication date: October 22, 2015
    Applicant: Micro Motion, Inc.
    Inventors: Xiang Feng, Muyuan Liu, Matthew T Crisfield, Yang Ye
  • Patent number: 9024210
    Abstract: The present invention relates to a feedthru (210, 210?) provided with a ceramic based coating (260) and a method of providing a feedthru (210, 210?) with a ceramic based coating (260). The feedthru (210, 210?) includes at least one conductive pin (220) that extends through a header (217) and includes an exposed first end (221) and an exposed second end (222) spaced by an insulated portion (224). The at least one conductive pin (220) connects a first conductive element (121) connected with a first electrical device (300, 300a, 300b, 104, 105, 105?) and a second conductive element (121?) connected with another electrical device (20, 301), whereby the exposed first end (221) connects to the first conductive element (121) and the exposed second end (221) connects to the second conductive element (121?).
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: May 5, 2015
    Assignee: Micro Motion, Inc.
    Inventors: Matthew T. Crisfield, Michele Moore, Robert B. Garnett
  • Publication number: 20110056745
    Abstract: The present invention relates to a feedthru (210, 210?) provided with a ceramic based coating (260) and a method of providing a feedthru (210, 210?) with a ceramic based coating (260). The feedthru (210, 210?) includes at least one conductive pin (220) that extends through a header (217) and includes an exposed first end (221) and an exposed second end (222) spaced by an insulated portion (224). The at least one conductive pin (220) connects a first conductive element (121) connected with a first electrical device (300, 300a, 300b, 104, 105, 105?) and a second conductive element (121?) connected with another electrical device (20, 301), whereby the exposed first end (221) connects to the first conductive element (121) and the exposed second end (221) connects to the second conductive element (121?).
    Type: Application
    Filed: March 25, 2009
    Publication date: March 10, 2011
    Applicant: MICRO MOTION, INC.
    Inventors: Matthew T. Crisfield, Michele Moore, Robert B. Garnett
  • Patent number: 7904268
    Abstract: A method for validating a flow calibration factor of a flow meter is provided according to an embodiment of the invention. The method for validating a flow calibration factor of a flow meter includes determining an initial flexural stiffness of a component of the flow meter. The method for validating a flow calibration factor of a flow meter includes determining a current flexural stiffness of the component. The method for validating a flow calibration factor of a flow meter further includes comparing the initial flexural stiffness to the current flexural stiffness. The method for validating a flow calibration factor of a flow meter further includes detecting a calibration error condition responsive to comparing the initial flexural stiffness to the current flexural stiffness.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: March 8, 2011
    Assignee: Micro Motion, Inc.
    Inventors: Matthew Glen Wheeler, David F. Normen, Mark James Bell, Matthew T. Crisfield
  • Patent number: 6776052
    Abstract: A Coriolis flowmeter sensor capable of handling large mass flow rates and having a reduced flag dimension. In order to have a reduced flag dimension, each of the flow tubes forms a semicircle between an inlet and an outlet. Brace bars, connected to the flow tubes proximate the inlet and outlet, separate the frequencies of vibration in the flow tubes. Pick-offs are positioned on the flow tubes at a position that allows the pickoffs to maximize detection of low amplitude, high frequency vibrations of the flow tubes required to have a reduced flag dimension.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: August 17, 2004
    Assignee: Micro Motion, Inc.
    Inventors: Matthew T. Crisfield, John Richard McCarthy
  • Publication number: 20020157479
    Abstract: A Coriolis flowmeter sensor capable of handling large mass flow rates and having a reduced flag dimension. In order to have a reduced flag dimension, the flow tubes are formed to have a substantially semicircular arc between an inlet and an outlet. Brace bars connected to the flow tube proximate, the inlet and outlet, separate the frequencies of vibration in the flow tubes. Pick-off sensors are positioned upon the substantially semicircular arc of the flow tube at a position that allow the sensors to maximize detection of low amplitude, high frequency vibrations of the flow tubes required to have a reduced flag dimension.
    Type: Application
    Filed: October 29, 1999
    Publication date: October 31, 2002
    Inventors: MATTHEW T. CRISFIELD, JOHN RICHARD MCCARTHY
  • Patent number: 6308580
    Abstract: A Coriolis flowmeter sensor having a reduced flag dimension. In order to have a reduced flag dimension, the entire length of the flow tubes must vibrate to make the flowmeter sensor more sensitive to Coriolis effects. When the entire length of the flow tubes vibrate, a first set of brace bars connected to the flow tube separates the frequencies of vibration in the flow tubes. A second set of brace bars connected to the flow tubes enhances the zero stability of the flowmeter.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: October 30, 2001
    Assignee: Micro Motion, Inc.
    Inventors: Matthew T. Crisfield, Steven James Johnston, John Richard McCarthy