Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544325 | Capacitive displacement transducer for a weak-motion inertial sensor | Timothy Philip Setterfield, Mark Jonathan Brice Hayman | 2013-10-01 |
| 8159904 | Force-feedback seismometer | Geoffrey Bainbridge | 2012-04-17 |
| 7870789 | Seismic sensor | Mark Jonathan Brice Hayman, Bruce Leigh Townsend | 2011-01-18 |
| 7594438 | Inertial sensor having a flexing element supporting a movable mass | Geoffrey Bainbridge | 2009-09-29 |
| 7388806 | Mass positioning apparatus for a seismic sensor | Mark Jonathan Brice Hayman, Bruce Leigh Townsend, Robin Brice Hayman | 2008-06-17 |
| 7385873 | Mass positioning adjustment mechanism for a seismic sensor | Mark Jonathan Brice Hayman, Bruce Leigh Townsend | 2008-06-10 |