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| Number | Title | Issue Date |
| 8074513 | Fluid measuring instrument carrier structure A fluid measuring instrument carrier structure includes a carrier main body assembled from three axially connected steel pipes. The carrier main body is provided from front to back at predetermined positions with a current meter, a front current-guiding holding-down... | 12/13/2011 |
| 7942051 | Method and device for survey of sea floor A method and a device are described for survey of an ocean floor, and also cables and the like on the ocean floor in ocean areas with strong currents, as a submersible survey platform (10) is lowered from a surface vessel with the help of a winch system (1... | 05/17/2011 |
| 7559236 | Portable profiler for profiling a marine biosphere and method of assembling the profiler Portable profiler for profiling a marine biosphere and method of assembling the profiler. A portable profiler is provided for profiling a marine biosphere, comprising a housing; a ballast coupled to the housing for controlling movement of the housing in the biospher... | 07/14/2009 |
| 7467545 | Method and device for measuring water currents Fluid current measurement by means of resistance differentials in thermistor. Input parameters to micro-processor like fluid temperature, depth, change in electrical resistance, direction sensors. Output calculation of fluid current, current direction, temperature, ... | 12/23/2008 |
| 7380453 | Undersea data logging device with automated data transmission An undersea logging device has a pressure sensor and at least one environmental parameter sensor. The data measured by the sensors is logged and is wirelessly transmitted when a preset value of pressure is detected by the pressure sensor. ... | 06/03/2008 |
| 7313495 | Method of processing marine magnetic gradient data and exploration methods using that data A method of processing marine magnetic data is disclosed which comprises towing first and second magnetometers M1 and M2 behind a ship (10). Raw magnetic gradient data is obtained from the sensors and the trend of the gradient of the shi... | 12/25/2007 |
| 7293668 | Manual boom lift method and apparatus Manual boom lift apparatus and method involve a base having three support legs, a fulcrum configured to fixedly mount the legs, a boom member detachably mounted on the fulcrum, the boom member including on either end a counterbalance arm configured for detachably mo... | 11/13/2007 |
| 7284422 | Fluid level measurement device A device measures the high and low fluid levels of a fluid body. A housing has a shaft with a buoyant weight, the shaft protruding through a cap on the housing's top and capable of sliding through the cap. A first ring encompasses the shaft and is initially position... | 10/23/2007 |
| 7278293 | Submersible probe A probe for deployment in a fluid measures produces an output representative of a parameter associated with the fluid. The probe includes a density control system to control a density of the probe and a locating system to track a location of probe in the fluid. ... | 10/09/2007 |
| 7258836 | Freeze resistant buoy system A freeze resistant buoy system includes a tail-tube buoy having a thermally insulated section disposed predominantly above a waterline, and a thermo-siphon disposed predominantly below the waterline. ... | 08/21/2007 |
| 7152337 | Robotic carriage for data collection A robotic carriage for measuring the camber of a large-span structural beam is provided. The carriage includes a frame having a platform supported by a plurality of legs having wheels rotatably mounted at the ends of the legs. The legs elevate the platform above ver... | 12/26/2006 |
| 7129834 | String wireless sensor and its manufacturing method A string wireless sensor 11 comprising a wireless sensor 13, incorporating the transmitting portion, which transmits electric signals by wireless and a string holder (polymer 12) which holds the wireless sensor at a certain distance. ... | 10/31/2006 |
| 7062962 | Portable apparatus and method for measuring hydraulic features in rivers and streams A portable apparatus for measuring characteristics of hydraulic features in rivers and streams that are unwadeable. The apparatus consists of a tripod base, a horizontal boom that articulates on the tripod, a carriage configured to travel on the boom, and a measurin... | 06/20/2006 |
| 7040157 | Variable depth automated dynamic water profiler A winch-based system is used to raise and lower a hydrological probe into a water column to automatically dynamically obtain measurement data of a water column at incremental depths over selected time intervals. The winch-based system can be powered by a relatively ... | 05/09/2006 |
| 6976393 | Pygmy current meter with magnetic switch An apparatus for measuring fluid velocity includes a generally Y-shaped yoke including a base and first and second forks, the first and second forks including through holes at ends thereof; a bucket wheel supported between the first and second forks of the yoke; a f... | 12/20/2005 |
| 6904864 | Controlled lifeboat deployer A control system to control the descent of a seafaring vessel, such as a lifeboat, into water is disclosed herein. The control system, and an accompanying method, control the descent speed of the seafaring vessel to minimise the possibility of setback after splashdo... | 06/14/2005 |
| 6868361 | Method of determining the volume scattering function of ocean waters in the backward direction using a satellite ocean color sensor A method of determining the Volume Scattering Function of Ocean Waters in the backward direction using a Satellite Ocean Color Sensor the said method made to exploit the geometry of the sun-ocean-satellite detector to function as a backscatter system comprising of t... | 03/15/2005 |
| 6807856 | Variable buoyancy profiling device A compensator added to the hydraulic circuit of an ocean profiler. The compensator stores energy by compression of gas during descent and expansion of the gas during ascent, thereby reducing the work required of the active buoyancy mechanism. The pressure from the e... | 10/26/2004 |
| 6536272 | Water monitoring, data collection, and transmission module A water sampling apparatus is disclosed having a water inlet and a water collecting scoop. A pump, in fluid communication with the water inlet, draws a water sample from a body of water through the water inlet. A plurality of testing units, in fluid commu... | 03/25/2003 |
| 6463800 | Energy conserving moored buoyant ocean profiler An energy conserving moored buoyant ocean profiler wherein an instrument carrying vertically traversing buoyant member of low buoyancy is interconnected with a second buoyant member of high buoyancy to travel in the opposite direction at lesser distance, ... | 10/15/2002 |
| 5988873 | Portable bathymetric probe simulator The invention relates to a portable simulator for bathymetric probes of the thermometric or calorimetric types connected at the output to an acquisition card. The simulator has at least four circuits corresponding, respectively, to the following four func... | 11/23/1999 |
| 5900820 | System and method for detection of frazil ice on underwater grating A system for detecting accretion of frazil ice on underwater gratings inces a housing for disposition beneath a water surface and spaced from but proximate an underwater intake grating. A pair of parallel electrically conductive bars are mounted side-by-... | 05/04/1999 |
| 5869756 | Moored water profiling apparatus A water profiling apparatus having a streamlined body with a traction drive capable of repeatedly profiling along a moored or suspended cable or wire, for transporting sensing and sampling equipment through a body of water, such as an ocean, lake or river... | 02/09/1999 |
| 5821405 | Modular water quality apparatus and method A modular water quality measurement apparatus and method includes a sealed or unsealed housing with a universal sensor interface cap (12) and mechanical and electrical sensor connections (14) for receiving removably attachable sensors (16 or 16'). Each of... | 10/13/1998 |
| 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 |
| 5691957 | Ocean acoustic tomography An acoustic tomography telemetry system and method allowing spatially averaged ocean temperatures to be measured in real-time. The system includes autonomous acoustic sources mounted on subsurface moorings and receivers that are either suspended from drif... | 11/25/1997 |
| 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 |
| 5644077 | Wave-powered ocean profiler An ocean profiler that utilizes ocean wave energy to provide power for repeated ascent and descent of an oceanographic instrument. In one embodiment the instrument assembly is provided with either positive or negative buoyancy such that the instrument can... | 07/01/1997 |
| 5633460 | Ocean environment monitoring system and method for controlling the same An ocean environment monitoring system has a sensor inside a sensor chamber provided with a pair of electrodes at the inlet port of the chamber and a pump for introducing seawater inside the chamber. When a voyage is applied to the electrodes, seawater is... | 05/27/1997 |
| 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 |
| 5219390 | Slide holding sampler device A sampler device for supporting glass slides under water for the collection of plant and animal samples. The device comprises a frame having a top member, a bottom member, and left and right side members. The top and bottom members have a plurality of ver... | 06/15/1993 |
| 5186049 | Angular momentum and banking indicator acceleration-deceleration and grade indicator system Angular momentum and banking indicator and acceleration-deceleration and grade indicator for use on trucks, cranes, airplanes, and boats as a multipurpose sensor. A cylinder with a damping fluid includes four symmetrically spaced coils centered radially a... | 02/16/1993 |
| 5062120 | Underwater frazil ice detector An underwater frazil ice detector is disclosed comprising channel means disposed underwater for moving water therethrough, means for drawing water through said channel means, screen means disposed in and across said channel means so that water drawn there... | 10/29/1991 |
| 5007285 | Low cost drifter A low-cost floating drifter adapted to accurately follow near-surface ocean currents and transmit periodically to monitoring satellites data and position-determining information. Global tracking of ocean currents is made economically and scientifically fe... | 04/16/1991 |
| 5001926 | Device for determining the vertical distance between two elements at unequal heights A device for measuring the pressure difference between the two ends of at least one flexible tube connecting together the positions occupied by two elements. In a preferred embodiment, to a summing circuit are applied the signals delivered by two differen... | 03/26/1991 |
| 4986121 | Apparatus for measuring the vertical motion of a floating platform An apparatus and method for measuring the vertical motion of a floating platform e.g. a survey vessel, caused by wave action. The apparatus includes a sensor having three accelerometers (11,12,13) arranged on mutually perpendicular axes (Ax,Ay,Az) so that... | 01/22/1991 |
| 4953986 | Air/sea temperature probe An air/sea temperature probe is disclosed which can be deployed from a moving ship to detect the temperature profile of the atmosphere and ocean beyond the thermal influence of a ship. The probe includes a temperature transducer which utilizes a bifilar w... | 09/04/1990 |
| 4932248 | Method and device for measuring vertical movements in the absence of a fixed reference point A method and device are provided for measuring the vertical movements of a floating object, for example, in the absence of a fixed reference point. Using a differential pressure sensor, the pressure difference is measured which prevails at a measurement p... | 06/12/1990 |
| 4924698 | Method and apparatus for remote monitoring of oceanographic conditions A method and apparatus for measuring profiles of ocean properties. The apparatus includes a stationary surface buoy to which a weight and cable are attached, the sensors traverse the cable by means of a hydrofoil the pitch of which is varied by a pressure... | 05/15/1990 |
| 4866985 | Bucket wheel assembly for a flow measuring device A bucket wheel assembly for use in a flow measuring device is disclosed wh comprises a one-piece, lightweight molded plastic disk having a plurality of roughly conical cups connected to a central ring. The central ring is mounted on a shaft and the disk ... | 09/19/1989 |
