Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7403674 | Intrusion detection system for a multimode optical fiber using a bulk optical wavelength division multiplexer for maintaining modal power distribution | Cary R. Murphy, Mark K. Bridges | 2008-07-22 |
| 7376293 | Remote location of active section of fiber in a multimode intrusion detection system | Cary R. Murphy, Mark K. Bridges | 2008-05-20 |
| 7333681 | Intrusion detection and location system for use on multimode fiber optic cable | Cary R. Murphy, Mark K. Bridges | 2008-02-19 |
| 7292155 | Moisture detection sensor tape with leak locate | Hani Nassar | 2007-11-06 |
| 7206469 | Intrusion detection system for use on single mode optical fiber using a polarimeter | Cary R. Murphy, Mark K. Bridges | 2007-04-17 |
| 7142737 | Intrusion detection system for use on single mode optical fiber using a storage register for data | Cary R. Murphy, Mark K. Bridges | 2006-11-28 |
| 7120324 | Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions | Cary R. Murphy, Mark K. Bridges | 2006-10-10 |
| 7092586 | Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions | Mark K. Bridges, Cary R. Murphy | 2006-08-15 |
| 7009375 | Locating system for a cable system having a backbone and branch cables defining multiple terminations | Kenneth N. Sontag, Myron Loewen | 2006-03-07 |
| 6750401 | Trace wire for transmission of a tone for locating underground utilities and cables | — | 2004-06-15 |
| 6462923 | Coaxial cable protection device | — | 2002-10-08 |
| 6459271 | Open cable locating for sheathed cables | Gilles Aminot | 2002-10-01 |
| 6437572 | Interactive method and apparatus for locating and identifying utilities | — | 2002-08-20 |
| 6194889 | Enhancement of tone transmission over cable sheaths for cable location | — | 2001-02-27 |
| 6181140 | Method of estimating the location of a cable break including a means to measure resistive fault levels for cable sections | Myron Loewen | 2001-01-30 |
| 5990686 | Method and apparatus for locating resistive faults in communication and power cables | Kenneth N. Sontag, Gilles Aminot | 1999-11-23 |
| 5793590 | Coaxial cable protection device | Kenneth N. Sontag, John C. Chamberlain, Oleh Sniezko | 1998-08-11 |
| 5708364 | Cable monitoring system with multiple branch terminations | Kenneth N. Sontag, Gilles Aminot | 1998-01-13 |
| 5349182 | Fiber optic cable moisture monitoring system | Kenneth N. Sontag, Heinrich A. Kraft | 1994-09-20 |
| 5262639 | Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection | Kenneth N. Sontag, Heinrich A. Kraft | 1993-11-16 |
| 5077526 | Cable failure detection system | Kenneth N. Sontag | 1991-12-31 |
| 4947469 | Resistive fault location method and device for use on electrical cables | Kenneth N. Sontag, John C. Chamberlain, Ronald L. Lavallee | 1990-08-07 |
| 4729628 | Fiber optic dropwire | Heinrich A. Kraft | 1988-03-08 |
| 4647720 | Cable having composite shield and armour sheath design | — | 1987-03-03 |
| 4518034 | Method and apparatus for manufacturing cables having composite shield and armor sheath designs | — | 1985-05-21 |