Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454334 | Accuracy of control valves using a short-stroke position converter | Justin Walter Betley | 2022-09-27 |
| 11421799 | Accuracy of control valves using a long-stroke position converter | Justin Walter Betley | 2022-08-23 |
| 9500289 | Device to provide failsafe mechanism on a valve actuator assembly | — | 2016-11-22 |
| 7379645 | Optical fiber with fresnel diffraction | Kristy Lee Sommer, Shane Huntington | 2008-05-27 |
| 6792166 | Laser assisted thermal poling of silica based waveguides | Wei Xu, Danny Wong, Graham Town, Paul Blazkiewicz | 2004-09-14 |
| 6766078 | Grating structure and optical devices | — | 2004-07-20 |
| 6706455 | Method for creating an optical structure within a photosensitive light transmissive material and of enhancing the photosensitivity of the photosensitive light transmissive material | Mattias Lennart Aslund | 2004-03-16 |
| 6539135 | Process for control of birefringence in waveguides | Mattias Lennart Aslund | 2003-03-25 |
| 6529668 | Absorbing layer for minimizing substrate exposure during the UV writing of a waveguide grating in addition to a birefringent control system | — | 2003-03-04 |
| 6463194 | Narrow transmission bandpass filters utilizing bragg grating assisted mode conversion | Leon Poladian | 2002-10-08 |
| 6272165 | Distributed feedback ring laser | Dmitrii Stepanov | 2001-08-07 |
| 5830622 | Optical grating | Mark Sceats | 1998-11-03 |