Matches 1 - 36 out of 36
Match Document Document Title
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 M 1 and M 2 behind a ship ( 10 ). Raw magnetic gradient data is obtained from the...
7296464 Underwater sampling and mapping apparatus  
The present application provides a system, method and apparatus for measuring at least one physical and/or chemical variable at a plurality of different locations within a body of water. The method...
7040158 Method for determining local inner and outer boundary layer length scales from drag measurements in high Reynolds number turbulent flows  
A method is presented for determining inner and outer boundary layer length scales from a succession of drag measurements of a cylindrical body in order to estimate flow noise and for computational...
6990260 Extended intensity-based optical sensor  
An extended optical sensor comprises a plurality of equally spaced intensity-based point sensors connected in parallel such that the optical path lengths are the same within the extended sensor...
6307810 Underwater launched acoustic warning assembly  
An acoustic warning assembly capable of being launched from an underwater vehicle while being underwater. The acoustic warning assembly includes an acoustosensitive member for collecting...
6201766 Multiple pressure gradient sensor  
Apparatus for studying the variations in hydrodynamic pressure for correlation with fish movement towards and away from zones of danger comprises a hollow winged section having mounted on the...
5642330 Sea state measuring system  
A towed buoy is deployed to a known depth below the surface from a submar and this depth is maintained by a control system that includes movable fins on the buoy. The movement of the buoy body and...
5570303 System for collecting oceanographic data from a moving vessel  
A system for the automated deployment and retrieval of an oceanographic data collecting probe from a vessel in motion. The system involves ejecting the probe line rapidly from a drum such that...
5424840 In situ chlorophyl absorption meter  
An absorption meter determines concentration of chlorophyll a and pheophytin in liquids. Particularly, an immersible absorption meter has a light source, a reflective flow tube, a signal detector,...
5347860 Benthic sampling effectiveness measurer  
This invention provides a device and method for measurement of the actual on-bottom time of a sampling otter trawl used for benthic sampling. The device uses passive measurement of the actual...
5191790 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...
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...
4796238 System for measurement of the acoustic coefficient of reflection of submerged reflectors  
System to measure the coefficients of reflection of submerged surfaces such as the seabed, by comparison of the intensities of acoustic impulses propagated between a source and a receptor, both of...
4713967 Method and apparatus for measuring a water condition  
A method for measuring a water condition such as temperature or speed proximate a desired location in the water such as near a fishing bait. The method comprises positioning a sensor for the...
4462265 Multiple depth water sampling system  
A towed system for collecting water samples from a plurality of individual depths for serial presentation to analyzing instruments utilizes a plurality of pressure actuated collection devices...
4349976 Apparatus for locating an aquatic environment with a pH preferred by Largemouth and Striped Bass fish  
Apparatus and methods for locating and catching certain fish species known as Largemouth Bass and Striped Bass, by locating those zones within a body of fresh water having a pH within the range of...
4175432 Apparatus for towing an underwater instrumentation package  
Apparatus for towing an instrumentation "fish" in such a manner as to decouple it from vertical displacements of a towing vessel and tow line. The fish is secured to the tow line by a single...
4010706 Towed device for measuring magnetic field and the vertical gradient thereof at sea  
A towed device comprising two fish, carrying measuring apparatus, which m remain vertically aligned during the measurements. The device includes a carrying cable fastened to a relay fish. The fish...
4001764 Acoustic method for detecting leaks from submerged pipelines  
A method for locating leaks in liquid-transporting submerged pipelines. A sonar device directs acoustic waves along the path of a submerged pipeline and the reflected waves are detected and...
3922808 Controlled trolling apparatus  
A trolling reel for raising and lowering a weighted control line to which a fishing line is detachably secured includes a reversible drive motor coupled to control means for either automatically...
3747405 MAPPING HYDROCARBON SEEPAGES IN WATER-COVERED REGIONS  
In exploring a water-covered region, a water sampling vehicle is moved through known areal locations within a measured relatively short distance from the bottom of the body of water. Water is...
3537316 UNDERWAY WATER SAMPLER  
3501953 BATHYKYMOGRAPH AND METHOD  
3482034 CONDUCTIVE TOW CABLE  
3479870 OCEANOGRAPHIC APPARATUS  
3460384 DEPTH CONTROLLING DEVICE  
3447124 UNDERWATER SURVEY  
3404565 Towed oceanographic sensor system  
3327968 Aircraft towed underwater skip probe  
3147431 Apparatus for measuring and recording the conductivity of sea water as a function ofdepth  
3106437 Detecting and classifying bodies on an ocean floor  
3080655 Apparatus and methods for exploring the topography of the sea  
3069905 Oceanographic sampling  
3038143 Telemetering depth meter  
2997689 Distance measuring apparatus  
2872638 Ocean bottom stratigraphy surveying  
Matches 1 - 36 out of 36