Class 73/170.32 - Bottom sediment or soil

Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the physical parameter or phenomenon
No. of patents: 32
Last issue date: 04/03/2012

Number	Title	Issue Date
8146418	Apparatus and method for soil testing for jack-up rigs An apparatus for soil testing for a jack-up rig, the apparatus comprising a soil testing device integrated with a leg of the jack-up rig, the leg of the jack-up rig having a footing, an opening in the footing for allowing passage of an active portion of the soil tes...	04/03/2012
8011239	In situ sediment ecotoxicity assessment system A system includes a plurality of chamber holders having openings therein, and an exposure chamber positioned in each chamber holder. Each exposure chamber includes a mesh portion and a top end cap. One exposure chamber contains a mesh bottom and one contains a close...	09/06/2011
7308821	Arrangement for determining the penetration depth on putting in place supporting elements into a water bed With an arrangement for determining the penetration depth (10) when putting in place supporting elements (2) into a water bed (5), according to the invention, there is provided a pressure sensor (7) for measuring the water pressure which ...	12/18/2007
7234519	Flexible piezoelectric for downhole sensing, actuation and health monitoring Thin flexible piezoelectric transducers are bonded to or imbedded into oilfield tubular members or structural members. The transducers may be used to telemeter data as acoustic waves through the members. By proper spacing of transducers and phasing of driving signal...	06/26/2007
7155364	Measuring instrument A measuring instrument (1) has an arm (4) having a detector at a distal end thereof, and an arm guide (53) supporting the arm (4) in a manner movable in the axial direction thereof, the measuring instrument measuring a dimension of a work...	12/26/2006
7141815	Fiber optic-based probe for use in saltwater and similarly conductive media as found in unenclosed natural environments Arrays of optical fibers connected to specially configured electronics, e.g., a phototransistor, an LED, an amplifier, a detector, and display, software and PCMCIA A/D board available on a personal computer, are used to obtain continuous real-time acquisition, proce...	11/28/2006
7069771	Partitioning sediment trap A partitioning sediment trap adapted to be positioned in a body of water comprising an elongate, vertically alignable transparent collecting tube having an open upper end and a closed lower end for collecting, over a longer period of time, natural materials, contami...	07/04/2006
6986281	Exfiltrometer apparatus and method for measuring unsaturated hydrologic properties in soil Exfiltrometer apparatus includes a container for holding soil. A sample container for holding sample soil is positionable with respect to the container so that the sample soil contained in the sample container is in communication with soil contained in the container...	01/17/2006
6680795	Underwater microscope system An apparatus and a method are provided for capturing and analyzing video images of sediment from the bottom of a body of water such as a river or sea. The apparatus includes a video imager with a close-up focus of lens adapted to collect images of sedimen...	01/20/2004
6578405	Gas seep detection A method of detecting a marine gas seep that includes: deploying a local probe on or near the seafloor; producing bubbles in water near or within the local probe; detecting the bubbles; producing data indicating the relative concentration of dissolved gas...	06/17/2003
6463801	Apparatus, method and system for measurement of sea-floor soil characteristics A system is presented with a seabed unit, a remotely operated vehicle (ROV), a cone rod measuring device, and a support ship. The seabed unit is lowered from the support ship by a winch line to the seafloor itself. A caisson on the seabed unit is used to ...	10/15/2002
5815465	Method and apparatus of classifying marine sediment An acoustic classification system in which echoes from sediment-sediment or water-sediment interfaces are compared to model waveforms predicted by Biot's equations for a given set of acoustic material parameters. The selection of parameters are varied unt...	09/29/1998
5804715	Hydrodynamic dampening system for the precise measurement of dynamic sediment pore water pressure A multi-sensor piezometer is disclosed that includes a shaft and an upper amber. The shaft houses a plurality of porous stones that operatively cooperate with the positive input of respective differential pressure transducers. The multi-sensor piezometer ...	09/08/1998
5559754	Sediment classification system A computer driven system which receives time-binned echo strength data, and hich, for each series of echo strengths received, stores the echo strength data in computer memory, and automatically associates with that data the latitude, longitude and time at ...	09/24/1996
5444670	Method and apparatus for determining soil strength from Doppler-shifted acoustic signatures A signal processing system for determining sea floor composition based on the frequency waveform and Doppler shift transmitted from an acoustic penetrometer includes a hydrophone for receiving the penetrometer waveform. The hydrophone output is digitized ...	08/22/1995
5439800	Offshore petroleum exploration system A system is provided for locating and delineating sea floor occurrences of petroleum seepage, achieved by apparatus for the detection of the resulting abnormal distribution of electrical potential within the affected sediments. The system uses an electric...	08/08/1995
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
5022262	Process and apparatus for determining the erodability of soil, in particular soil belonging to the underwater floor To determine the erodability of soil, in particular soil belonging to the underwater floor, a vertically displaceable spray nozzle is installed above the floor to produce a water flow onto or over the floor soil. The water flow forms a pit in the soil by ...	06/11/1991
4807199	Bottom shear modulus profiler An apparatus for measuring the shear modulus profile of the seafloor by measuring the motion of the seafloor in three dimensions and the wave induced pressure at the seafloor and converting these measurements into a shear modulus profile using the Yamamot...	02/21/1989
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
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
4186373	System for measuring in situ acoustic energy properties of ocean floor soils A hollow, projectile-shaped body containing an acoustical transducer is rased into the sea such that the body descends in free fall until it strikes and penetrates the sea floor, coming to a rest therein. Acoustic signals emanating from the acoustic tran...	01/29/1980
4150578	Apparatus for measuring excess pore water pressure An elongated tubular housing has differential pressure transducers at spaced points therealong and electrically insulated therefrom by a mounting means. Each mounting means has a diaphragm exposed to pore water pressure and a diaphragm exposed to hydrosta...	04/24/1979
4106335	Sea sled tow line vector system The tow line system permits a determination of the direction and magnitude of tow line forces on the underwater tow. The response of the underwater tow to the tow line forces is also monitored. The system is adaptable to any system capable of measuring fo...	08/15/1978
4104608	Heave meter A contour mapping system including compensation for the heave or vertical displacement of a ship due to wave and swell effects, and for correcting errors due to such effects in depth or bottom contour measurements of a body of water. Vertical acceleration...	08/01/1978
4024758	Simulated testing of undersea apparatus This invention provides a means and method for testing of devices intended to operate in, or immediately beneath, the consolidated soil surface of the ocean floor. The mechanical and rheological properties of the consolidated soil surface are simulated by...	05/24/1977
4019380	Underwater sampler A free-fall underwater sampler comprises a pair of jaw members and ballast supporting containers in which the jaw members and containers are operated simultaneously and independently of one another. A safety mechanism is also provided for preventing prema...	04/26/1977
4007633	Method of determining the physical characteristics of a sea floor A hollow, projectile-shaped body containing an acoustical transducer is rased into the sea such that the body descends in free fall until it strikes and penetrates the sea floor, coming to a rest therein. Acoustic signals emanating from the acoustic tran...	02/15/1977
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
3975957	Sediment sampling system A sediment sampling system that may be used for oceanographic sampling of trital and sedimentary sized particles in multiple sequences for up to a period of several months. The sampling device has the basic feature of exposing a plastic sheet of sediment ...	08/24/1976
3940982	Subbottom rock mapping probe A subbottom rock mapping probe for measuring the thickness of a sediment er located on the bottom of a body of water comprising an automatic, downwardly extending, telescoping probe that is gimbally connected to a support member. Water is forced through ...	03/02/1976

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Class 73/170.32 - Bottom sediment or soil