Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874361 | Distributed flow properties wellbore measurement system | Neal G. Skinner | 2005-04-05 |
| 6408119 | UV-trimmed fused tapered couplers | Kenneth O. Hill | 2002-06-18 |
| 6385369 | Method and device for reducing polarization dependence in an optical component or optical system | Kenneth O. Hill, Derwyn C. Johnson | 2002-05-07 |
| 6198557 | Telecommunication system having frequency-dividing optical components for the parallel processing of optical pulses | Wolfgang Dultz, Hans Koops, Erna Frins | 2001-03-06 |
| 6075915 | In-fiber photonic crystals and systems | Hans W. P. Koops | 2000-06-13 |
| 5982962 | Fiber-integrated microlenses and optical fiber FBG couplers, spectrometers, and multiplexers comprised thereof | Hans W. P. Koops | 1999-11-09 |
| 5818242 | Microwave recess distance and air-path clearance sensor | Richard Robert Grzybowski | 1998-10-06 |
| 5564832 | Birefringent active fiber laser sensor | Gary A. Ball | 1996-10-15 |
| 5546481 | Single polarization fiber and amplifier | Gary A. Ball | 1996-08-13 |
| 5513913 | Active multipoint fiber laser sensor | Gary A. Ball, Leon A. Newman | 1996-05-07 |
| 5511083 | Polarized fiber laser source | Francis X. D'Amato, deceased, Gary A. Ball | 1996-04-23 |
| 5493390 | Integrated optical instrumentation for the diagnostics of parts by embedded or surface attached optical sensors | Mauro Varasi, Antonello Vannucci, Mario Signorazzi, Pietro Ferraro, Sabato Inserra Imparato +2 more | 1996-02-20 |
| 5399854 | Embedded optical sensor capable of strain and temperature measurement using a single diffraction grating | James Dunphy, Mauro Varasi, Antonello Vannucci, Mario Signorazzi, Pietro Ferraro +2 more | 1995-03-21 |
| 5061032 | Optical waveguide embedded light redirecting and focusing Bragg grating arrangement | William W. Morey, Arnold L. Wilson | 1991-10-29 |
| 5048913 | Optical waveguide embedded transverse spatial mode discrimination filter | William H. Glenn, William W. Morey | 1991-09-17 |
| 5042897 | Optical waveguide embedded light redirecting Bragg grating arrangement | William H. Glenn | 1991-08-27 |
| 5016967 | Multi-core optical waveguide Bragg grating light redirecting arrangement | William W. Morey | 1991-05-21 |
| 5007705 | Variable optical fiber Bragg filter arrangement | William W. Morey, Fred J. Leonberger, William H. Glenn | 1991-04-16 |
| 4897622 | Single sideband waveguide modulator | Peter K. Cheo | 1990-01-30 |
| 4807950 | Method for impressing gratings within fiber optics | William H. Glenn, Elias Snitzer | 1989-02-28 |
| 4806012 | Distributed, spatially resolving optical fiber strain gauge | William H. Glenn, Elias Snitzer | 1989-02-21 |
| 4761073 | Distributed, spatially resolving optical fiber strain gauge | William H. Glenn, Elias Snitzer | 1988-08-02 |
| 4725110 | Method for impressing gratings within fiber optics | William H. Glenn, Elias Snitzer | 1988-02-16 |
| 4653906 | Spatially resolving fiber-optic crosstalk strain sensor | James Dunphy, Elias Snitzer | 1987-03-31 |
| 4577100 | Temperature compensated optical pressure sensor | Louis B. Allen, Jr., Carl M. Ferrar | 1986-03-18 |