Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768307 | Flux plane locating in an underground drilling system | Guenter W. Brune, Albert W. Chau | 2004-07-27 |
| 6756783 | Multi-frequency boring tool locating system and method | Guenter W. Brune | 2004-06-29 |
| 6756784 | Orientation sensor arrangement and method for use in a system for monitoring the orientation of an underground boring tool | — | 2004-06-29 |
| 6737867 | Locating arrangement and method using boring tool and cable locating signals | Guenter W. Brune, Albert W. Chau | 2004-05-18 |
| 6727704 | Boring tool tracking/guiding system and method with unconstrained target location geometry | Guenter W. Brune, Albert W. Chau | 2004-04-27 |
| 6697174 | Arrangement for reading from and/or writing to flexible sheet media in a curved configuration and method | — | 2004-02-24 |
| 6693429 | Flux orientation locating in a drilling system | — | 2004-02-17 |
| 6677768 | Orientation sensor especially suitable for use in an underground boring device | Rudolf Zeller | 2004-01-13 |