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| Number | Title | Issue Date |
| 7183742 | Unmanned underwater vehicle fuel cell powered charging system and method A charging system for an unmanned underwater vehicle (UUV) is disposed within a submerged docking station. The charging system includes a battery, a fuel cell, a fuel source, and a charge controller. The battery supplies electrical power to an electrical distributio... | 02/27/2007 |
| 7056179 | Combination inflator and manifold assembly A variable volume raft containing adjustable ratio and amounts of air and or water. The buoyancy and ballast of the raft are routinely adjusted to accommodate additional occupants and changing weather conditions. A manual pump can be the primary or back up source fo... | 06/06/2006 |
| 7044076 | Pontoon for protection barrier system A pontoon provides buoyancy for a protection barrier to be provided in a body of water. The pontoon includes a metal structural member; a urethane inner shell that encases a portion of the metal structural member; a polyethylene region that encases the urethane inne... | 05/16/2006 |
| 5520486 | Diver safety apparatus and method The present invention comprises a method and apparatus for identifying a down diver in distress comprising activating automatic inflation means to inflate a tube, activating automatic signal means, to provide sensory indication of a diver in distress, rel... | 05/28/1996 |
| 5369796 | Floating sound system A floating sound system for use in a swimming pool or the like has a radio, tape player, power supply, and controls. The power supply unit nests within a toroidal float, being attached thereto by straps. The radio and associated components are located in ... | 11/29/1994 |
| 4932910 | Emergency location marker system The emergency location marker system carried by a vessel for marking a location on the water and signaling, especially for locating and rescuing an individual in the water, comprises a flotation and support structure with an advantageously collapsible sel... | 06/12/1990 |
| 4763126 | Mooring location system A buoy for marine vessels that is responsive to a transmitted RF signal of a set frequency consisting of an RF receiver disposed within the buoy and tuned to a set frequency of the transmitted RF signal and an antenna coupled to the input of the RF receiv... | 08/09/1988 |
| 4636176 | Boat propelled by a motorcycle A boat propelled by a motorcycle. The boat propelled by a motorcycle has a portable ramp to get the motorcycle on and off. The motorcycle produces rotational energy by its driven wheel and transmits it to a pair of rollers covered by rubber or any nonslip... | 01/13/1987 |
| 4232391 | Vessel location system A system for determining the location of the sinking of a vessel by providing a seaworthy box that is automatically ejected from the vessel at the time of sinking and that has a battery aboard the box for powering a radio transmitter that sends distress s... | 11/04/1980 |
| 4228556 | Automatically energizable lifesaving equipment A lifesaving apparatus for use on ships and other types of water sustained vessels which is characterized by the fact that it can be actuated by a person who has fallen overboard without the intervention of on-deck personnel. The lifesaving apparatus is m... | 10/21/1980 |
| 4194246 | Noisemaker beacon 1. An acoustic jammer assembly constructed for ejection from a signal tube n a submarine, said assembly comprising a cylindrical casing for containing various elements of the jammer; a high frequency acoustic noisemaker attached to one end of said casing a... | 03/18/1980 |
| 4040135 | Emergency locator system for locating and retrieving sunken vessels An emergency locator system for locating and retrieving sunken vessels and vessels in distress comprising in combination a base, a buoyant float releasably mounted thereon and a long line connecting the base and float. The base is adapted to be mounted on... | 08/09/1977 |
