Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4919099 | Combustion monitoring | Roger John Hazelden, David Nutton | 1990-04-24 |
| 4774494 | Position encoder employing three or more colors | Roger John Hazelden | 1988-09-27 |
| 4712065 | Magnetic field sensors, in particular optical fiber magnetometers | Gillies D. Pitt, Roger E. Jones | 1987-12-08 |
| 4697146 | Spherical shell fibre optic magnetic field sensors and magnetometers and magnetic gradient detectors incorporating them | Roger E. Jones | 1987-09-29 |
| 4696543 | Optical fiber cable having a low permeability to hydrogen | Gilles D. Pitt, Roger E. Jones | 1987-09-29 |
| 4692703 | Magnetic field sensor having a Hall effect device with overlapping flux concentrators | Roger E. Jones, Stewart O. Martin | 1987-09-08 |
| 4668085 | Photo-elastic sensor | Gilles D. Pitt, Rosamund C. Neat, Roger E. Jones | 1987-05-26 |
| 4665363 | Optical fibre magnetic gradient detector | Roger E. Jones | 1987-05-12 |
| 4656750 | Heading sensor | Gilles D. Pitt, David J. Wilson, Jr. | 1987-04-14 |
| 4587509 | Hall effect device with overlapping flux concentrators | Gillies D. Pitt | 1986-05-06 |