Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12050300 | Magnetic coupler for inducing a signal on a utility line | Brian K. Bailey | 2024-07-30 |
| 8183867 | Localization system for an earth moving machine | Simon Branson | 2012-05-22 |
| 8164338 | Localization system for an earthmoving machine | Simon Branson | 2012-04-24 |
| 7336898 | Fibre optic communications network | Barry Robert Fleury | 2008-02-26 |
| 7212131 | Controlling an underground object | — | 2007-05-01 |
| 7119711 | Communicating with an underground object | Alberto Iaccarino | 2006-10-10 |
| 7116244 | Method and system for producing a magnetic field signal usable for locating an underground object | Nicholas C. Hillman, Alasdair McPhee, Luigi Lanfranchi | 2006-10-03 |
| 7079591 | Method and system for recovering information from a magnetic field signal usable for locating an underground object | Luigi Lanfranchi | 2006-07-18 |
| 6993088 | Encoding scheme for producing magnetic field signals having desired spectral characteristics | Alasdair McPhee, Luigi Lanfranchi | 2006-01-31 |
| 6980123 | Controlling an underground object | — | 2005-12-27 |
| 6825775 | Method and system for reducing interference | Nicholas C. Hillman | 2004-11-30 |
| 6633163 | Apparatus and method for detecting an underground cable while operating a piece of machinery | — | 2003-10-14 |
| 6606032 | Controlling a sonde carried by a boring tool | — | 2003-08-12 |
| 6552548 | Detecting underground objects | Andrew B. Lewis | 2003-04-22 |
| 6459266 | Sonde locator | — | 2002-10-01 |
| 6107801 | Locating an inaccessible object by detecting horizontal and vertical components of a magnetic field | Michael Peter Hopwood | 2000-08-22 |