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| Number | Title | Issue Date |
| 8176867 | Watercraft immobilizing system A watercraft immobilizing apparatus and system deployable from a marine vessel to passively defend against an attacking watercraft includes a towed array of entanglement lines. The entanglement lines can be stored on and supplied from one or more storage cartridges ... | 05/15/2012 |
| 7401565 | Port security barrier The port security barrier includes multiple barrier float assemblies connected to one another to form a barrier to stop, delay and discourage attacks by high speed boats of sixty five feet or less in length on high valued waterfront assets such as ports and docking ... | 07/22/2008 |
| 7233544 | Harbor fence Methods and apparatus determine if an intruder passes into a security zone that is associated with a waterfront asset. An embodiment of the invention provides a harbor fence system that is designed to be deployed in water around ships or other waterfront assets to s... | 06/19/2007 |
| 6980483 | Harbor fence Methods and apparatus determine if an intruder passes into a security zone that is associated with a waterfront asset. An embodiment of the invention provides a harbor fence system that is designed to be deployed in water around ships or other waterfront assets to s... | 12/27/2005 |
| 6778469 | Harbor fence Methods and apparatus determine if an intruder passes into a security zone that is associated with a waterfront asset. An embodiment of the invention provides a harbor fence system that is designed to be deployed in water around ships or other waterfront assets to s... | 08/17/2004 |
| 4993345 | Floating degaussing cable system A system for degaussing ships includes a floating cable having a plurality f insulated conductors, the cable extending between a barge at one end and an end float at the other end, with a floating saddle member mounted at the mid-portion for engagement by ... | 02/19/1991 |
| 4961393 | Anti-projectile protection fence and method for marine surface vessels A ship or other marine surface vessel to be protected against torpedo or missile attack tows therebehind an articulated train of floating projectile barriers. To defense on attack, the ship circles away from the attacker to a position behind a trailing po... | 10/09/1990 |
| 4218987 | Torpedo detection streamer 1. In a torpedo detecting device of the class disclosed, the combination of plurality of hose-like sections, means for coupling the sections end to end to form a single streamer, said streamer including means for receiving and retaining air supplied under... | 08/26/1980 |