Issued Patents All Time
Showing 26–50 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7624650 | Apparatus and method for attenuating acoustic waves propagating within a pipe wall | Daniel L. Gysling, Mark R. Fernald, Changjiu Dang | 2009-12-01 |
| 7624651 | Apparatus and method for attenuating acoustic waves in pipe walls for clamp-on ultrasonic flow meter | Mark R. Fernald, Daniel L. Gysling, Changjiu Dang | 2009-12-01 |
| 7503227 | Method and apparatus for measuring parameters of a fluid flow using an array of sensors | Michael A. Davis, Mark R. Fernald, Alan D. Kersey, Christian V. O'Keefe | 2009-03-17 |
| 7474966 | Apparatus having an array of piezoelectric film sensors for measuring parameters of a process flow within a pipe | Mark R. Fernald, Michael A. Davis, Alan D. Kersey, Douglas H. Loose | 2009-01-06 |
| 7440873 | Apparatus and method of processing data to improve the performance of a flow monitoring system | — | 2008-10-21 |
| 7437043 | Large diameter optical waveguide, grating and laser | Martin A. Putnam, Robert N. Brucato, Paul E. Sanders, James M. Sullivan, Alan D. Kersey | 2008-10-14 |
| 7400985 | Apparatus having an array of clamp on piezoelectric film sensors for measuring parameters of a process flow within a pipe | Mark R. Fernald, Michael A. Davis, Alan D. Kersey | 2008-07-15 |
| 7386204 | Optical filter having a shaped filter function | Michael A. Davis, Alan D. Kersey, Martin A. Putnam | 2008-06-10 |
| 7330797 | Apparatus and method for measuring settlement of solids in a multiphase flow | Mark R. Fernald | 2008-02-12 |
| 7253742 | Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors | Michael A. Davis, Mark R. Fernald | 2007-08-07 |
| 7146864 | Apparatus having a multi-band sensor assembly for measuring a parameter of a fluid flow flowing within a pipe | James M. Sullivan, Michael A. Davis, Mark R. Fernald, Richard Niezgorski | 2006-12-12 |
| 7062126 | Tunable optical filter having large diameter optical waveguide with bragg grating and being configured for reducing the bulk modulus of compressibility thereof | Alan D. Kersey, Mark R. Fernald, Michael A. Davis, Thomas Engel, Robert N. Brucato +7 more | 2006-06-13 |
| 7036379 | Fluid diffusion resistant glass-encased optical sensor | Mark R. Fernald, Alan D. Kersey, Trevor MacDougall, Martin A. Putnam | 2006-05-02 |
| 6996316 | Large diameter D-shaped optical waveguide and coupler | Robert N. Brucato, Alan D. Kersey, Martin A. Putnam, Paul E. Sanders, James M. Sullivan | 2006-02-07 |
| 6982996 | Large diameter optical waveguide, grating, and laser | Martin A. Putnam, Robert N. Brucato, Paul E. Sanders, James M. Sullivan, Alan D. Kersey | 2006-01-03 |
| 6877378 | Fluid diffusion resistant glass-encased optical sensor | Mark R. Fernald, Alan D. Kersey, Trevor MacDougall, Martin A. Putnam | 2005-04-12 |
| 6865194 | Strain-isolated Bragg grating temperature sensor | Christopher J. Wright, Mark R. Fernald, James M. Sullivan, James Dunphy, Michael A. Davis +4 more | 2005-03-08 |
| 6834142 | Optical grating-based filter | Martin A. Putnam, Jay W. Dawson, Joseph Pinto, James S. Sirkis, Paul Szczepanek | 2004-12-21 |
| 6826343 | Multi-core waveguide | Michael A. Davis, Martin A. Putnam, Mark R. Fernald | 2004-11-30 |
| 6820489 | Optical differential pressure sensor | Mark R. Fernald, Matthew B. Miller, James M. Sullivan, James Dunphy, Michael A. Davis +5 more | 2004-11-23 |
| 6813013 | Pressure-isolated bragg grating temperature sensor | Mark R. Fernald, Matthew B. Miller, James M. Sullivan, Richard T. Jones, Christopher J. Wright +4 more | 2004-11-02 |
| 6792009 | Tunable grating-based channel filter parking device | Martin A. Putnam, Alan D. Kersey | 2004-09-14 |
| 6785004 | Method and apparatus for interrogating fiber optic sensors | Alan D. Kersey, Allen R. Davis, Mark R. Fernald, Charles Winston | 2004-08-31 |
| 6776045 | Bragg grating pressure sensor for industrial sensing applications | Mark R. Fernald, Matthew B. Miller, James M. Sullivan, James Dunphy, Michael A. Davis +5 more | 2004-08-17 |
| 6763043 | Tunable grating-based dispersion compensator | Martin A. Putnam, Alan D. Kersey | 2004-07-13 |