Issued Patents All Time
Showing 26–50 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9360579 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2016-06-07 |
| 9310507 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2016-04-12 |
| 9274013 | Tension monitoring arrangement and method | Albert W. Chau, John E. Mercer, Charles Yu Yat Tsang | 2016-03-01 |
| 9244189 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2016-01-26 |
| 9133703 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2015-09-15 |
| 9035656 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2015-05-19 |
| 8686731 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2014-04-01 |
| 8686917 | Locating technique and apparatus using an approximated dipole signal | Guenter W. Brune, John E. Mercer, Albert W. Chau | 2014-04-01 |
| 8668030 | Establishing positions of locating field detectors and path mapping in underground boring tool applications | Guenter W. Brune, Peter H. Hambling, John E. Mercer, Lloyd A. Moore, Shiu S. Ng | 2014-03-11 |
| 8659298 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2014-02-25 |
| 8499646 | Utility pull-back tension monitoring arrangement with sensor output compensation and method | Albert W. Chau, John E. Mercer, Charles Yu Yat Tsang | 2013-08-06 |
| 8393414 | Establishing positions of locating field detectors and path mapping in underground boring tool applications | Guenter W. Brune, Peter H. Hambling, John E. Mercer, Lloyd A. Moore, Shiu S. Ng | 2013-03-12 |
| 8264419 | Locating technique and apparatus using an approximated dipole signal | Guenter W. Brune, John E. Mercer, Albert W. Chau | 2012-09-11 |
| 8042407 | Tension monitoring arrangement and method | Albert W. Chau, John E. Mercer, Charles Yu Yat Tsang | 2011-10-25 |
| 8025109 | Method for establishing the positions of a transmitter and detector in a region | Guenter W. Brune, Peter H. Hambling, John E. Mercer, Lloyd A. Moore, Shiu S. Ng | 2011-09-27 |
| 7960973 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2011-06-14 |
| 7898494 | Locating technique and apparatus using an approximated dipole signal | Guenter W. Brune, John E. Mercer, Albert W. Chau | 2011-03-01 |
| 7859249 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2010-12-28 |
| 7775301 | Advanced steering tool system, method and apparatus | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2010-08-17 |
| 7775121 | Tension monitoring arrangement and method | Albert W. Chau, John E. Mercer, Charles Yu Yat Tsang | 2010-08-17 |
| 7772849 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2010-08-10 |
| 7578201 | Tension monitoring arrangement and method | Albert W. Chau, John E. Mercer, Charles Yu Yat Tsang | 2009-08-25 |
| 7570060 | Tracking positions of personnel, vehicles, and inanimate objects | Guenter W. Brune, Albert W. Chau, John E. Mercer | 2009-08-04 |
| 7565371 | System and method for converting complex multi-file database structures to HTML | — | 2009-07-21 |
| 7562722 | Method and apparatus for establishing the position of a sonde in a region using a single detector | Guenter W. Brune, Peter H. Hambling, John E. Mercer, Lloyd A. Moore, Shiu S. Ng | 2009-07-21 |