Issued Patents All Time
Showing 101–125 of 182 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820489 | Optical differential pressure sensor | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy +5 more | 2004-11-23 |
| 6813013 | Pressure-isolated bragg grating temperature sensor | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, Richard T. Jones +4 more | 2004-11-02 |
| 6810178 | Large diameter optical waveguide having blazed grating therein | Michael A. Davis | 2004-10-26 |
| 6792009 | Tunable grating-based channel filter parking device | Martin A. Putnam, Timothy J. Bailey | 2004-09-14 |
| 6785004 | Method and apparatus for interrogating fiber optic sensors | Allen R. Davis, Mark R. Fernald, Charles Winston, Timothy J. Bailey | 2004-08-31 |
| 6776045 | Bragg grating pressure sensor for industrial sensing applications | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy +5 more | 2004-08-17 |
| 6763043 | Tunable grating-based dispersion compensator | Martin A. Putnam, Timothy J. Bailey | 2004-07-13 |
| 6732575 | Fluid parameter measurement for industrial sensing applications using acoustic pressures | Daniel L. Gysling, James D. Paduano | 2004-05-11 |
| 6681067 | Method for selective erasing/apodization of the index of refraction of an optical waveguide and an optical waveguide modified by the method | — | 2004-01-20 |
| 6668656 | Optical sensor having differing diameters | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy +5 more | 2003-12-30 |
| 6633695 | Compression-tuned grating-based optical add/drop multiplexer | Timothy J. Bailey, Mark R. Fernald, Trevor MacDougall, Martin A. Putnam, Paul E. Sanders | 2003-10-14 |
| 6626043 | Fluid diffusion resistant glass-encased fiber optic sensor | Timothy J. Bailey, Mark R. Fernald, Trevor MacDougall, Martin A. Putnam | 2003-09-30 |
| 6621957 | Temperature compensated optical device | James M. Sullivan, Timothy J. Bailey, Robert N. Brucato, Thomas Engel, Mark R. Fernald +6 more | 2003-09-16 |
| 6601671 | Method and apparatus for seismically surveying an earth formation in relation to a borehole | Xiaomin Zhao, Francis X. Bostick, III, Jian-Qun Wu, Daniel L. Gysling, Peter C. Ogle +2 more | 2003-08-05 |
| 6597711 | Bragg grating-based laser | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, Michael A. Davis +4 more | 2003-07-22 |
| 6594410 | Wide range tunable optical filter | Michael A. Davis, Martin A. Putnam, Timothy J. Bailey | 2003-07-15 |
| 6594288 | Tunable raman laser and amplifier | Martin A. Putnam | 2003-07-15 |
| 6587798 | Method and system for determining the speed of sound in a fluid within a conduit | Daniel L. Gysling, James D. Paduano | 2003-07-01 |
| 6519388 | Tube-encased fiber grating | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, Michael A. Davis +4 more | 2003-02-11 |
| 6490931 | Fused tension-based fiber grating pressure sensor | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy +6 more | 2002-12-10 |
| 6489606 | Bragg grating sensor system with spectral response or code division multiplexing | Robert A. Rubino, James Dunphy | 2002-12-03 |
| 6470036 | Tunable external cavity semiconductor laser incorporating a tunable bragg grating | Timothy J. Bailey, Robert N. Brucato, Michael A. Davis, Martin A. Putnam, Paul E. Sanders +1 more | 2002-10-22 |
| 6452667 | Pressure-isolated bragg grating temperature sensor | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, Richard T. Jones +4 more | 2002-09-17 |
| 6448551 | Fiber Bragg grating sensor system having enhanced strain-to-wavelength responsivity by using a spectral beating based vernier effect | — | 2002-09-10 |
| 6422084 | Bragg grating pressure sensor | Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, James Dunphy +5 more | 2002-07-23 |