Class 73/170.33 - Towed probe

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein a measuring device is pulled through
No. of patents: 22
Last issue date: 12/25/2007

Number	Title	Issue Date
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
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 includes the steps of: providing dynamic measurement means configure...	11/20/2007
7111521	Sampling system for moving fluid A system for sampling a moving fluid utilizes a housing in the shape of an airfoil having a leading edge adapted to be disposed in the moving fluid such that the moving fluid will initially encounter the leading edge. A fluid flow pathway extends through the airfoil...	09/26/2006
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
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 modeling of the dynamics of towed arrays in a fluid medium. A succes...	05/09/2006
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 enclosure. The input to the extended sensor is a single optical fiber as...	01/24/2006
6979928	Axial retention feature for restraining composite reinforcing rings A magnetic shield assembly for confining rotor windings in a generator includes a substantially cylindrical tubular shield of two or more part-annular segments adapted to enclose the rotor windings; a plurality of axially spaced rings located on the tubular shield; ...	12/27/2005
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 above-surface acoustic signals. The acoustic warning assembly also i...	10/23/2001
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 surface thereof, piezoelectric sensors, and an accelerometer mo...	03/13/2001
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 the buoy fins are monitored and used to evaluate sea stat...	06/24/1997
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 substantially all of the line is deposited in proximity with t...	10/29/1996
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, and means for determining the difference between the absor...	06/13/1995
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 on-bottom time without cables and wires connected to the ship, ...	09/20/1994
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 lifting body shaped to provide hydrodynamic lift, a tether...	03/09/1993
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
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 which are submerged, and that of the echoes of these impul...	01/03/1989
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 condition near the location which provides a signal proportional...	12/22/1987
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 separated by vertical hose segments through which water is pump...	07/31/1984
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 from about pH 7.5 to about pH 8.0, followed by fishing for...	09/21/1982
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 pulley, on which it can move up and down the tow line, and upper...	11/27/1979
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 carrying the measuring apparatus are fastened to the cabl...	03/08/1977
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 recorded. The location of escaping liquid is then determined from...	01/04/1977

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Class 73/170.33 - Towed probe