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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8171873 | Assembly for deploying a payload from a submarine A submarine (1) has an assembly (3) for deploying a life raft (5), the assembly (3) being located in a well (7) formed outside the submarine's pressure hull (11). The assembly includes a pressure vessel (4) for storin... | 05/08/2012 |
| 8146527 | Offboard connection system A system for connecting an auxiliary craft and a mother ship includes a cable suspended from the mother ship, a cable tensioner, a mother-ship coupler that is slideably engaged to the cable, a fixture that depends from the auxiliary craft, and an auxiliary-craft cou... | 04/03/2012 |
| 7721669 | Common payload rail for unmanned vehicles A common payload rail externally supports a submerged payload from an unmanned marine vehicle. A vehicle interface module has a conforming surface rigidly secured to the unmanned vehicle and feed-through conduits. A functionality module is secured to the vehicle int... | 05/25/2010 |
| 7362653 | Underwater geopositioning methods and apparatus A method and apparatus for determining the geophysical position of an autonomous underwater system utilizing underwater acoustic modems that exchange broadband underwater acoustic signals. The method of the invention includes the steps of initiating an exchange of b... | 04/22/2008 |
| 7296530 | Unmanned system for underwater object inspection, identification and/or neutralization An unmanned system performs inspection, identification and/or neutralization of underwater objects. An unmanned vehicle that operates at a water's surface stows underwater crawling and/or swimming vehicles that can operate underneath a water's surface. A winch assoc... | 11/20/2007 |
| 7267072 | Dry cargo submarine with air-charge cargo hold Submarines with air-charged cargo holds are provided. The pressurize hull of a traditional submarine's cargo hold is replaced by non-pressurized hull, which lowers costs for transporting dry cargo and solves strength and seal problems raised when providing large ope... | 09/11/2007 |
| 7218240 | Synthetically generated sound cues Communication systems and apparatus to allow a user to perceive the relative spatial location or present position of other elements of interest in a control space, such as the location of a speaker participating in a telephone conference or that of an aircraft carri... | 05/15/2007 |
| 7194975 | Unmanned underwater vehicle health monitoring system and method A health monitoring system for an unmanned underwater vehicle (UUV) is disposed within a submerged docking station. The health monitoring system receive signals representative of performance of the docking station equipment and uses the data to determine the health ... | 03/27/2007 |
| 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 |
| 7156042 | Device for unwinding a wire providing data transmission of any type between two mobile elements operating in a fluid A device for unwinding a wire providing data transmission of any type (instructions or accounts) between two mobile elements (1) and (7) operating in a fluid, includes one or two reels housed in a winder (2). The winder (2), capable of be... | 01/02/2007 |
| 7113097 | Underwater device with transmitter An apparatus that attaches to a moving, typically man-made, underwater object and that is capable of sending a signal is disclosed. The apparatus includes a housing, which in some embodiments is configured to look like an underwater organism. Within or on the housin... | 09/26/2006 |
| 7104219 | Piling decontamination and marine life enhancement system A marine habitat enhancement system is provided that in one embodiment is configured for attachment to existing pilings and in another embodiment is a stand-alone system anchored to the soil. The system includes a housing formed of a plurality of panels configured f... | 09/12/2006 |
| 7077072 | Unmanned underwater vehicle turbine 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, one or more generators, and a charge controller. The battery supplies electrical power to an electrical distribution bu... | 07/18/2006 |
| 7028627 | Submersible vehicle launch and recovery system A submersible vehicle launch and recovery system comprises a grab comprising at least two arms capable of moving relative to each other, the arms being rotatable between an open position and a closed position, in which closed position the jaws of the arms are able t... | 04/18/2006 |
| 7025014 | Sea vessel retrieval of unmanned underwater vehicles One or more docking cages releasably attached to a tow line extending from the stern of a retrieval ship, emit tracking beacon beams picked up by sensors in unmanned underwater sea craft vehicles being approached, for steered propulsion thereof into rammed hook atta... | 04/11/2006 |
| 7007625 | Location and movement of remote operated vehicles A remote operated vehicle system comprises a topside, a fish equipped with a GPS receiver, a transmitter for transmitting GPS position data, and a receiver operable to receive the transmitted position data. Transmission may be from the fish to the topside or from th... | 03/07/2006 |
| 7000560 | Unmanned underwater vehicle docking station coupling system and method A docking station for an unmanned underwater vehicle (UUV) includes a tether control system to minimize movement of the docking station when the UUV is docking therein. The docking station is a submerged station that is tethered to a floating structure via a tether ... | 02/21/2006 |
| 6857486 | High power umbilicals for subterranean electric drilling machines and remotely operated vehicles The method of providing in excess of 60 kilowatts of electrical power to the electrical motor of a subterranean electric drilling machine through a substantially neutrally buoyant composite umbilical containing electrical conductors to reduce the frictional drag on ... | 02/22/2005 |
| 6840189 | Method and apparatus for enabling work to be carried out on a submerged portion of a vessel The apparatus comprises a generally cylindrical or sleeve-like or tubular housing 2 having an opening at one end which is locatable to be in sealing engagement with the outer surface of part of the hull 3 of a submarine with said housing 2 formi... | 01/11/2005 |
| 6808021 | Subsea intervention system A system that is usable with subsea wells that extend beneath a sea floor includes a station that is located on the sea floor and an underwater vehicle. The underwater vehicle is housed in the station and is adapted to service at least one of the subsea wells. ... | 10/26/2004 |
| 6698376 | Device for launching and recovering an underwater vehicle and implementation method A device for launching and recovering an underwater vehicle comprises a submersible assembly comprising a lower chassis and an upper chassis, which are connected by a flexible connection so that the distance between them is adjustable. The flexible connec... | 03/02/2004 |
| 6532886 | Multi-functional cellular surface for underwater vehicles A system of sensors and weapons in the form of individual cells forming a multi-functional cellular skin is provided to cover the outer surface of an underwater vehicle. The cells are engineered to have specific functional capabilities, e.g., acoustic sen... | 03/18/2003 |
| 6432304 | Remote operating ballast filter for vessels A remotely operated filtering system for ballast tanks used on naval vessels. A basket shaped filtering net is used in connection with the tanks and is controlled by a remote control operated by a human operator. The operator controls the movement and the... | 08/13/2002 |
| 6390012 | Apparatus and method for deploying, recovering, servicing, and operating an autonomous underwater vehicle An apparatus and methods for deploying, recovering, and servicing an AUV are disclosed. The apparatus includes a linelatch system that is made up of a tether management system connected to a flying latch vehicle by a tether. The linelatch system can be co... | 05/21/2002 |
| 6279501 | Umbilical constraint mechanism An umbilical constraint mechanism. The mechanism keeps the umbilical line near the center of the payload bay opening when the umbilical line is deployed. The mechanism will transfer lateral umbilical loads into the drone vessel frame near the bottom of th... | 08/28/2001 |
| 6167831 | Underwater vehicle An underwater apparatus for performing subsurface operations adapted to be operated from a remote location above the surface of a body of water is disclosed. The apparatus includes a underwater vehicle that is made up of a tether management system connect... | 01/02/2001 |
| 6058848 | Underwater and land travel system An underwater and land travel system comprising an underwater and land travel vehicle which is capable of being reliably and safely moved from on the land into the water and which may also be used for viewing the sight in the water with delight and safety... | 05/09/2000 |
| 5964175 | Conformal detachable platform array The invention provides a system for attaching one or more unmanned, hydroamically shaped, autonomous, undersea platforms to the bow of a submarine. An array of depressions, each matching the shape of the platforms, is provided in the bow of the submarine... | 10/12/1999 |
| 5660135 | Underwater apparatus release mechanism An underwater apparatus release mechanism disposed on an unmanned underwa vehicle. A launcher body is joined to the underwater vehicle with a fixed release guide thereon. A shroud is positioned over the front of the underwater apparatus which is disposed... | 08/26/1997 |
| 5235931 | Inflatable undersea vehicle system of special utility as a daughter vessel to a mother vessel The submersible vehicle system of the present invention comprises a unitary ndersea vehicle composed of a rigid hull submersible mated to an inflated auxiliary submersible. Both the rigid hull submersible and the auxiliary submersible may be initially stor... | 08/17/1993 |
| 5235932 | Submersible dock and dump mechanism Mechanically cooperating assemblies on an undersea vehicle and an instrumation target assure the making of a rigid coupling for passing electrical, optical or fluid information between the vehicle and the instrumentation and reduce the complexity of such... | 08/17/1993 |
| 5050523 | Pivoted vehicle launch for submarine The launching of a vehicle having front and back ends, from the submerged ll of a vessel that is moving forward through water by allowing the vehicle to pivot outboard clear of the hull, preferably from a launchway cavity, into the flow stream where it is... | 09/24/1991 |
| 5042415 | Vehicle handling system for submersibles The present invention provides an apparatus for launching and recovering a submersible vessel from a ship, and includes a gantry that pivots in an arc extending over and beyond the aft deck of the ship. A lift line passes about a head sheave that pivots f... | 08/27/1991 |
| 4753552 | Dry and/or wet one-atmosphere underwater system A one-atmosphere underwater modular system is provided. The modular system comprises components which can be manipulated and attached to one another through use of a submarine or the like. A variety of components are provided including: a maneuvarable sub... | 06/28/1988 |
| 4333414 | Submersible twin-hull watercraft A submersible watercraft has at least one watertight hull and a diver-exit vessel adapted to accommodate a diver is detachably connected to the watercraft by a sealable diver-exit port which enables divers to pass between the diver-exit vessel and the wat... | 06/08/1982 |
| 4306413 | Hydraulic power and control system A hydraulic power and control system which includes a pump which is mounted n a sealed housing. The pump is mounted in the sealed housing along with a pilot operated power valve. The pump has an inlet within the housing for intaking oil therein and is conn... | 12/22/1981 |
| 4276851 | Underwater cruise device An underwater cruise device is disclosed which is mounted to a vessel by a vertical telescoping boom. The device includes a diving chair mounted to the vertical boom which can be selectively submerged during diving operations or completely withdrawn from ... | 07/07/1981 |
| 4252467 | Suspension apparatus for attaching a submarine to a submerged structure An apparatus according to the invention for suspending a submarine on a submerged structure and comprising a preshaped semi-rigid strap wound onto a drum disposed in a casing fixed to said submarine, whereby the strap when unwound adopts the shape of a ge... | 02/24/1981 |
| 4164195 | Immersion apparatus carrying detachable and self-contained prospecting and submarine work units Immersion apparatus for carrying out submarine works, comprising a master chamber connected to a surface unit and intended to be lowered to the area of submarine work, self-propelled work units branching out from said master chamber and having atmospheric... | 08/14/1979 |
| 4010619 | Remote unmanned work system (RUWS) electromechanical cable system A tethered underwater work system comprises a primary lift module attached o a support vehicle by means of a primary tether. A submarine work vehicle is removably attached to said primary lift module and connected thereto by means of a secondary tether. Ad... | 03/08/1977 |
