Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38052 | Sensing apparatus for sensing pressure or temperature in oil wells, including transmitter relaying pressure or temperature information to a remote control point | — | 2003-04-01 |
| 6307809 | Geophone with optical fiber pressure sensor | John Luscombe, Malcolm Paul Varnham | 2001-10-23 |
| 6211964 | Method and structure for incorporating fiber optic acoustic sensors in a seismic array | John Luscombe, John L. Maida, Malcolm Paul Varnham, Sam Bull | 2001-04-03 |
| 6195162 | Seismic sensor with interferometric sensing apparatus | Malcolm Paul Varnham, Phillip Bull, John Luscombe | 2001-02-27 |
| 6006828 | Apparatus for the remote deployment of valves | Malcolm Paul Varnham | 1999-12-28 |
| 5992250 | Apparatus for the remote measurement of physical parameters | Malcolm Paul Varnham | 1999-11-30 |
| 5991026 | Apparatus for multiplexing fibre-optic sensing interferometers | Malcolm Paul Varnham | 1999-11-23 |
| 5872876 | Optical fibre sensor element | Malcolm Paul Varnham | 1999-02-16 |
| 5804713 | Apparatus for sensor installations in wells | — | 1998-09-08 |
| 5582064 | Remotely deployable pressure sensor | — | 1996-12-10 |