Issued Patents All Time
Showing 326–347 of 347 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7498797 | Locator with current-measuring capability | Michael J. Martin, Paul G. Stuart | 2009-03-03 |
| 7443154 | Multi-sensor mapping omnidirectional sonde and line locator | Ray Merewether | 2008-10-28 |
| 7336078 | Multi-sensor mapping omnidirectional sonde and line locators | Ray Merewether | 2008-02-26 |
| 7332901 | Locator with apparent depth indication | Michael J. Martin, Christoph Maier, Paul G. Stuart | 2008-02-19 |
| 7298126 | Sondes for locating underground pipes and conduits | Jan Soukup, Jeffrey A. Prsha, Michael E. Turgeon, David A. Cox, Ray Merewether | 2007-11-20 |
| 7288929 | Inductive clamp for applying signal to buried utilities | Jeffrey A. Prsha, Lisa E. Latimer, James F. Kleyn, Jan Soukup | 2007-10-30 |
| 7276910 | Compact self-tuned electrical resonator for buried object locator applications | Jeffrey A. Prsha, Ray Merewether, Edward N. Denaci, Christoph Maier | 2007-10-02 |
| 7221136 | Sondes for locating underground pipes and conduits | Jan Soukup, Jeffrey A. Prsha, Michael E. Turgeon, David A. Cox, Ray Merewether | 2007-05-22 |
| 7136765 | Buried object locating and tracing method and system employing principal components analysis for blind signal detection | Christoph Maier, Ray Merewether | 2006-11-14 |
| 7009399 | Omnidirectional sonde and line locator | Ray Merewether, David A. Cox, Michael J. Martin, Bradley D. Barnicoat, Thomas R. Kolb +1 more | 2006-03-07 |
| 6958767 | Video pipe inspection system employing non-rotating cable storage drum | Michael E. Turgeon, Jeffrey A. Prsha | 2005-10-25 |
| 6908310 | Slip ring assembly with integral position encoder | Jeffrey A. Prsha | 2005-06-21 |
| 6862945 | Camera guide for video pipe inspection system | Eric M. Chapman, Michael E. Turgeon | 2005-03-08 |
| 6831679 | Video camera head with thermal feedback lighting control | Jan Soukup | 2004-12-14 |
| 6697102 | Bore hole camera with improved forward and side view illumination | David A. Cox, Jeffrey A. Prsha, Michael E. Turgeon | 2004-02-24 |
| 6545704 | Video pipe inspection distance measuring system | David A. Cox, Bradley D. Barnicoat | 2003-04-08 |
| 5939679 | Video push-cable | — | 1999-08-17 |
| 5808239 | Video push-cable | — | 1998-09-15 |
| 5519543 | Optic system for a down hole camera assembly | Michael S. DiMascio | 1996-05-21 |
| 5457288 | Dual push-cable for pipe inspection | — | 1995-10-10 |
| 4501027 | Quick release weight belt and buckle therefor | — | 1985-02-26 |
| 4244044 | Waterproof sport watch | — | 1981-01-06 |