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| Number | Title | Issue Date |
| 7229210 | Self-standing fish tank thermometer A self-standing aquarium thermometer includes an impermeable self-standing housing disposed within an aquarium containing a predetermined volume of water, the self-standing housing has a lower cavity for receiving a weighting element, which has a predetermined weigh... | 06/12/2007 |
| 7173880 | Arrangement with an acoustic array with a sound velocity meter Arrangement with an acoustic array with a sound velocity meter, suitable to be arranged under water. The acoustic array is able to receive acoustic signals from an underwater device and to provide acoustic array output data to a processing arrangement such that the ... | 02/06/2007 |
| 6786087 | Controlled thruster driven profiler for coastal waters The present invention relates to a device useful as a controllable variable speed thruster-driven oceanographic profiler for coastal waters for measuring the vertical structure of chosen properties of the oceanic water column. ... | 09/07/2004 |
| 5792950 | Submarine deployed sea-state sensor A submarine deployed sea-state sensor comprises an elongated housing having nose cone and an aft end, the housing having a forward buoyant chamber for receiving an accelerometer. Aft of the buoyant chamber, a damping assembly communication link deployment... | 08/11/1998 |
| 5676576 | Submarine deployed sea-state sensor A submarine deployed sea-state sensor includes an elongated housing having nose cone and an aft end. The housing having a forward buoyant chamber for receiving an accelerometer and for causing the sensor to be buoyed up to the surface, where it will there... | 10/14/1997 |
| 5665909 | Free-fall, wire-guided hydrographic profiler A frame, freely-falling on a cable or wire, for transporting sensing and sampling equipment at a near constant velocity through a body of water, such as an ocean, lake or river. Said apparatus' downward motion is stopped at or near the end of the cable or... | 09/09/1997 |
| 5578751 | Oceanographic sensor suite wet well system A wet well sensor system includes a housing member having a fluid inlet and fluid outlet, each formed in a wall of the housing member. A wet well member is positioned within the housing. The wet well includes a canister portion, a cavity formed within the... | 11/26/1996 |
| 5555518 | Depth sensing expendable oceanographic probes An expendable oceanographic probe includes a body having a weighted nose section and an after body having a tail for stabilization. A spool of wire is paid out through the tail of the after body for coupling to a data acquisition system. The expendable oc... | 09/10/1996 |
| 5532679 | Oil spill detection system An oil spill detection system to detect and track oil spills and transmit data to a remote monitoring center comprising a buoyant detection platform including at least one detection sensor to detect the presence of hydrocarbons in the water adjacent the b... | 07/02/1996 |
| 5379267 | Buoyancy control system A buoyancy control system is disclosed for maintaining a buoyant vehicle at a controlled depth by jettisoning either a heavy liquid or a light liquid. The control system monitors the depth of the buoyant vehicle and determines the direction and magnitude ... | 01/03/1995 |
| 5283767 | Autonomous oceanographic profiler There is disclosed a portable free drifting oceanographic instrument package for cyclically collecting oceanic and/or fresh water environmental data over a range of depths. The instrument includes, in combination, a submersible housing having mounted ther... | 02/01/1994 |
| 5046359 | Underwater launched carrier An assembly capable of being launched from a submarine to carry into seawater an element responsive to a property of the water to be measured, comprising a carrier member coupled to the element, a lifting body shaped to provide hydrodynamic lift, a tether... | 09/10/1991 |
| 4854728 | Seawater probe A seawater probe for measuring a physical parameter which includes a sensor element having an electrical characteristic dependent on the parameter and a detector circuit for deriving a measurement signal corresponding to a measured value of the electrical... | 08/08/1989 |
| 4829494 | Acoustic pinger for use in high speed water entry test bodies Tracking and location of a high speed water rentry vehicle is assured by the inclusion of an acoustic source. An acoustic generator in the form of a piezoelectric transducer is potted in polyurethane and fills a volume aft of a disc-shaped wall in the re-... | 05/09/1989 |
| 4794575 | Submarine launched sea-state buoy (SLSSB) A self-contained, expendable sea-state measuring device which deeply submed submarines can launch in order to determine sea surface conditions prior to a missle launch. The device comprises a multi-chambered, buoyant cylindrical metal shell which houses ... | 12/27/1988 |
| 4777819 | Untethered oceanographic sensor platform Method and apparatus for making depth related measurements from an untethered, gravity driven oceanographic platform. The platform is a smooth streamlined, torpedo shaped body releasably carrying ballast in its nose and covered with syntactic foam for buo... | 10/18/1988 |
| 4749254 | Optical sensor system Present electrical expendable oceanographic instruments are vulnerable to insulation leaks and electromagnetic interference; they are also unable to measure pressure and the index of refraction. In response to these difficulties a unique combination of op... | 06/07/1988 |
| 4649744 | Fish locator probe A probe generally rocket-like in shape includes a forward leading nose section containing a radio transmitter with an antenna permanently attached thereto which is fixed to a central housing section possessing a generally cross-sectionally square bore fol... | 03/17/1987 |
| 4554826 | Automatic depth-determining aquatic sampling device An apparatus for the collection of water or other data from the aquatic environment, the apparatus being programmable to make such collections at any desired depths as it descends, and being capable of ascending to the surface under its own power, all fun... | 11/26/1985 |
| 4345461 | Apparatus for taking bedrock samples from bottom of deep-water basins The apparatus for taking bedrock samples from the bottom of deep-water basins includes a self-contained device for obtaining spot samples of bedrock from the bottom of deep-water basins and more particularly to devices for taking bedrock samples from the ... | 08/24/1982 |
| 4336709 | Retrieval of articles from beneath the surface of a body of water Equipment for raising to the surface of a body of water a retrievable article. A cable extends downwardly, and the article is held to the cable at a selected depth. A buoyancy device with a floodable cavity and a gas supply tank travels down the cable to ... | 06/29/1982 |
| 4311045 | Device for measuring sea currents at great depths A device for measuring sea currents at great depths as a function of the depth. A spherical shaped plunger having negative floatability is dropped from a boat and descends to the bottom of the sea, releases its ballast and rises to the surface where it is... | 01/19/1982 |
| 4308749 | Device for measuring in real time sea currents in deep water A device for measuring in real time sea currents in deep water possibly exceeding 6000 m, as a function of the depth. A spherical shaped plunger having negative floatability is dropped from a boat and descends to the bottom of the sea, releases its ballast and... | 01/05/1982 |
| 4258568 | Water current meter A self recording meter for recording water currents is described. The current meter comprises a housing having a vertical axis, three accelerometers each having a sensitive axis mounted at 90° to each other within the housing wherein the sensitive axis o... | 03/31/1981 |
| 4232417 | Marine mammal retrieval apparatus An acquatic retrieval apparatus is provided which includes a flotation bag, gas pressure bottle which is associated with the flotation bag for inflating the bag, a puncturing device connected to the pressure bottle for puncturing the bottle to let the pre... | 11/11/1980 |
| 4215571 | Expendable bathythermograph for use under ice A temperature probe for use by submersibles when under ice, whereby impinent of the Bathythermograph against the under surface of the ice causes the probe to be released and fall to the bottom. The probe may also be released by the bathythermograph reach... | 08/05/1980 |
| 4215572 | Apparatus and method for supporting oceanographic equipment at selected ocean depths An array of oceanographic instruments is supported on a tension line exteng horizontally at a selected ocean depth between a pair of vertical lines one of which is a ship-borne, end-weighted, winched cable and the other a float-supported and anchored gui... | 08/05/1980 |
| 4202036 | Buoyancy control for ocean characteristic measurement system A system for measuring ocean characteristics. The system includes a sensor assembly and an associated means to control the system buoyancy to achieve cyclic ascent and descent at controlled speeds, either along a mooring line or free-drifting. Buoyancy co... | 05/06/1980 |
| 4202034 | Adaptive controller for ocean characteristic measurement system A system for measuring ocean characteristics. The system includes a sensor assembly and an associated means to control the system buoyancy to achieve cyclic ascent and descent at controlled speeds, either along a mooring line or free-drifting. Buoyancy co... | 05/06/1980 |
| 4191049 | System for measuring ocean current A system for measurement of ocean current near the surface wave field. The system includes a controlled buoyancy platform having a current sensor. Upper and lower plural roller assemblies are affixed to the platform for limiting platform motion along a gu... | 03/04/1980 |
| 4044611 | Expendable oceanography probe An expendable oceanography probe has a hollow cylindrical housing, a front end element in the form of a weight fitted into the lower end of the cylindrical housing, a sensor, such as a thermistor, mounted on the external surface of the front end element f... | 08/30/1977 |
| 3991623 | Marine instrument An expendable instrument for determining salinity versus depth in a water column and suitable for use from vessels underway, from helicopters, and from fixed platforms. The salinity indication is obtained by the use of a conductivity cell for measuring th... | 11/16/1976 |
| 3972231 | Method for measuring velocity and direction of currents in a body of water A method for measuring the velocity and direction of currents in the ocean nd other bodies of water. A first vehicle travels through water and leaves behind a trail of dye. A second vehicle travels, at a later time, the same path as that traveled by the fi... | 08/03/1976 |
| 3952349 | Variable buoyancy device A variable buoyancy device for automatically cycling an object between upward and downward limits including a regulator valve, inflatable device, deep dive control system, shallow dive control system, differential pressure valve, and weight compensating m... | 04/27/1976 |
| 3936895 | Benthic bobbing buoy A benthic bobbing buoy system which includes an anchor, a buoy, and an anr line connecting the buoy to the anchor, the anchor line being of a length to establish the buoy at a submerged position. Another buoy for bobbing between the surface of the water ... | 02/10/1976 |
