Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8164340 | Method for determining electromagnetic survey sensor orientation A method for determining orientation of an electromagnetic survey sensor includes deploying the sensor at a selected position on the bottom of a body of water. An electromagnetic field is generated at a selected position in the body of water. A portion of the electr... | 04/24/2012 |
| 8154295 | Method for determining electric field response to an electromagnetic field induced in the Earth's subsurface A method for determining a component of electric field response to a time varying electromagnetic field induced in the Earth's subsurface involves measuring magnetic field gradient in at least two orthogonal directions in response to the induced electromagnetic fiel... | 04/10/2012 |
| 8148992 | Underwater electric field electromagnetic prospecting system The present invention, in various embodiments, is directed to a geophysical system and method in which a transmitter coil is oriented with its axis horizontally, and a sensor is positioned below the coil to measure an ambient electrical and/or magnetic parameter ass... | 04/03/2012 |
| 8143897 | Short-offset transient electromagnetic geophysical surveying A method for electromagnetic surveying subsurface formations includes inducing an electromagnetic field in the subsurface formations by passing electric current through a transmitter. Response of the subsurface formations to the induced electromagnetic field is dete... | 03/27/2012 |
| 8134369 | Method of testing electric field recording of a marine electromagnetic sensor cable A method of testing the electric field recording of a marine electromagnetic sensor cable including electrodes is provided. The method includes causing current to flow between a pair of first electrodes disposed along the marine electromagnetic sensor cable. The flo... | 03/13/2012 |
| 8115491 | Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sources To perform marine electromagnetic (EM) surveying of a subterranean structure, a marine cable system is provided including a tow cable, a plurality of electromagnetic (EM) sources coupled to the tow cable, and a plurality of EM receivers coupled to the tow cable. The... | 02/14/2012 |
| 8076941 | Bottom system for geophysical survey (variants) A bottom system related to equipment deployed for seabed geo-electrical survey is proposed, in preferred embodiments comprising a basic module, including registration and power supply means, or a combination of the basic module with at least one additional module: a... | 12/13/2011 |
| 8076942 | Method for marine electrical survey of oil-and-gas deposits A method for survey of hydrocarbon deposits in a researched profile of sea-bottom comprises providing a generator generating pulse electric current with a generator frequency in a towable generator line exciting electric field signals measured by sea-bottom stations... | 12/13/2011 |
| 8072222 | Signal generator for electromagnetic surveying that produces a signal having an analog continuous waveform To perform an electromagnetic (EM) surveying of a subterranean structure, a signal generator produces a signal having an analog continuous waveform without steps in the waveform. Producing the signal is in response to an indication specifying a characteristic of the... | 12/06/2011 |
| 8067941 | System for streamer electrical resistivity survey and method for analysis of underground structure below a riverbed A system for measuring electrical resistivity survey checks a border of bedrock or a thickness of a sedimentary layer in a riverbed of a river or lake within a short time. A method for analysis of an underground structure of a riverbed using the same is also provide... | 11/29/2011 |
| 8063642 | Method for subsurface electromagnetic surveying using two or more simultaneously actuated electromagnetic sources A method for electromagnetic exploration includes imparting a first electromagnetic signal into subsurface formations from a first location and imparting a second electromagnetic signal into the formations from a second location substantially contemporaneously with ... | 11/22/2011 |
| 8035393 | Fiber optic system for electromagnetic surveying An electromagnetic survey sensing device includes at least two electrodes disposed at spaced apart locations. An electrical to optical converter is electrically coupled to the at least two electrodes. The converter is configured to change a property of light from a ... | 10/11/2011 |
| 8008921 | Surveying using vertical electromagnetic sources that are towed along with survey receivers A system to perform a marine subterranean survey includes at least one vertical electromagnetic (EM) source and at least one EM receiver to measure a response of a subterranean structure that is responsive to EM signals produced by the vertical EM source. At least o... | 08/30/2011 |
| 7999552 | Sensor cable for electromagnetic surveying A sensor cable for surveying. The sensor cable may comprise at least one pair of current sensor electrodes and an amplifier. The current sensor electrodes may be disposed along opposite sides of the sensor cable. The current sensor electrodes may be configured to de... | 08/16/2011 |
| 7994792 | Electric field sensor for marine environments A sensor (S) for marine measurements of an electric field, the sensor (S) including at least two electrodes (3, 4); signal transmission means (5) for transmitting measured signals from the sensor (S) to a signal processing (6); at least two clos... | 08/09/2011 |
| 7982465 | Electromagnetic method on shallow water using a controlled source A method for analyzing acquired electromagnetic measurements (R) made at or in a sea (4) over a seafloor (1) with rock formations (3) having relatively low resistivity (ρ3) for detecting a possibly underlying petroleum bearing reserv... | 07/19/2011 |
| 7919965 | Source arrangement and method for generating electromagnetic wavefields A source arrangement for generating electrogmagnetic (EM) wavefields, comprising an EM signal generator, at least three electrodes (141-144) connected to the generator, and a control system. The electrodes are spaced apart but not all in line. The cont... | 04/05/2011 |
| 7884612 | Multi-component field sources for subsea exploration A multi-component field source for surveying subsea formations includes at least two electrodes having a direction of motion, wherein the at least two electrodes are configured to produce an electric dipole in an orientation that is not parallel to both the directio... | 02/08/2011 |
| 7880469 | Surveying method using an arrangement of plural signal sources A survey technique for use in a marine environment to survey a subterranean structure includes providing an arrangement of plural signal sources in a body of water to produce corresponding signals. The signals of the signal sources in the arrangement are set to caus... | 02/01/2011 |
| 7872477 | Multi-component marine electromagnetic signal acquisition cable and system A marine electromagnetic sensor cable includes a plurality of sensor modules disposed at spaced apart locations along a cable. Each module includes at least one pair of electrodes associated with the module. The electrodes are arranged to measure electric field in a... | 01/18/2011 |
| 7834632 | Receiver streamer system and method for marine electromagnetic surveying A receiver streamer system for marine electromagnetic surveying includes a first streamer, and a second streamer disposed substantially parallel to and spaced apart from the first streamer. A first pair of electrodes is associated with the first streamer and a secon... | 11/16/2010 |
| 7812611 | Shallow marine electromagnetic hydrocarbon prospecting A method for determining electrical properties of a submarine petroleum fluid-bearing formation (1) under overburden geological layers (2) of thickness (s) under a seafloor (3) of a sea. The method includes: *arranging one or more transmi... | 10/12/2010 |
| 7800374 | Multi-component marine electromagnetic signal acquisition cable and system A marine electromagnetic sensor cable includes a plurality of sensor modules disposed at spaced apart locations along a cable. Each module includes at least one pair of electrodes associated therewith. The electrodes are arranged to measure electric field in a direc... | 09/21/2010 |
| 7795873 | Method for attenuating air wave response in marine electromagnetic surveying A method for measuring the electromagnetic response of formations below the bottom of a body of water includes positioning at least one electromagnetic transmitter and at least one electromagnetic receiver in the body of water each at a selected depth below the wate... | 09/14/2010 |
| 7746077 | Method for measuring the magnetotelluric response to the earth's subsurface A method for measuring magnetotelluric response of the Earth includes measuring transient controlled source electromagnetic response of the subsurface below a body of water over a plurality of actuations of an electromagnetic transmitter. The transient response meas... | 06/29/2010 |
| 7737699 | Method of marine electromagnetic survey using focusing electric current Two embodiments of marine geo-electric probe methods for hydrocarbon deposits survey comprise—excitation of electromagnetic field in a surveyed medium by transmitting two rectangular current pulses therethrough, the first—during forward traveling of a probe devi... | 06/15/2010 |
| 7728596 | Method and device for sea electrical survey of oil-and-gas deposits A sea electrical survey method for hydrocarbon deposits, situated under seabed not exceeding 10 meters of depth, is disclosed, comprising: providing a plurality of multi-channel bottom systems with receiving lines having at least three electrodes and capable to regi... | 06/01/2010 |
| 7692429 | Electromagnetic detector for marine surveying A detector for underwater electromagnetic surveying is described. The detector comprises first, second, third and fourth electrodes which are arranged to define first, second and third electric dipole antennae extending between pairs of the electrodes. Each dipole a... | 04/06/2010 |
| 7683625 | Electromagnetic surveying A submersible electromagnetic (EM) field generator for seafloor electromagnetic surveying comprising an AC to DC converter operable to generate a DC output from an AC input and a switching module operable to generate a waveform driving signal by selectively switchin... | 03/23/2010 |
| 7671598 | Method and apparatus for reducing induction noise in measurements made with a towed electromagnetic survey system A method for reducing motion induced voltage in marine electromagnetic measurements includes measuring an electromagnetic field parameter at at least one position along a sensor cable towed through a body of water. Motion of the sensor cable is measured at at least ... | 03/02/2010 |
| 7659724 | Surveying method using an arrangement of plural signal sources The survey technique for use in a marine environment to survey a subterranean structure includes providing an arrangement of plural signal sources in a body of water to produce corresponding signals. The signals of the signal sources in the arrangement are set to ca... | 02/09/2010 |
| 7592814 | Method for monitoring an area containing a subterranean resistive or conductive body, and for obtaining a volume of hydrocarbon therefrom A method of analyzing electromagnetic survey data from an area of seafloor 6 that is thought or known to contain a resistive or conductive body, for example a subterranean hydrocarbon reservoir 12, is described. The method includes providing horizontal... | 09/22/2009 |
| 7482813 | Three-axis marine electric field sensor for seafloor electrical resistivity measurement A sensor for electric field measurement at the floor of a body of water has at least one pair of square or rectangular electrodes (139, 140) with a known area positioned in parallel separated by a distance and connected by a resistor (120) having a val... | 01/27/2009 |
| 7471089 | Electrode array for marine electric and magnetic field measurements having first and second sets of electrodes connected to respective first and second cables An electrode array for electric and magnetic measurements in a marine environment includes a first set of electrodes connected to a first cable, wherein the first set of electrodes and the first cable are configured to sink to a sea floor in the marine environment; ... | 12/30/2008 |
| 7446535 | Electrode structure and streamer made therewith for marine electromagnetic surveying An electromagnetic sensor cable includes at least one strength member configured to be coupled to a vessel for towing in a body of water and extending along the length of the cable. A jacket covers the strength member and extends along the length of the cable. At le... | 11/04/2008 |
| 7362102 | Electromagnetic surveying for resistive or conductive bodies A method of analyzing electromagnetic survey data from an area of seafloor 6 that is thought or known to contain a resistive or conductive body, for example a subterranean hydrocarbon reservoir 12, is described. The method includes providing horizontal... | 04/22/2008 |
| 7356411 | Method for acquiring and interpreting transient electromagnetic measurements A method for interpreting transient electromagnetic survey data includes measuring transient response of a medium over a plurality of switching events. The measured transient response to a first one of the current switching events is modeled. Transient response to t... | 04/08/2008 |
| 7333893 | Method for spatially interpreting electromagnetic data using multiple frequencies Method for removing effects of shallow resistivity structures in electromagnetic survey data to produce a low frequency resistivity anomaly map, or alternatively imaging resistivity structures at their correct depth levels. The method involves solving Maxwell's elec... | 02/19/2008 |
| 7327272 | Apparatus for determining and/or monitoring a process variable An apparatus for determining and/or monitoring at least one process variable of a medium in a container. The apparatus has at least one mechanically oscillatable unit unit which produces a measurement signal at least dependent on the process variable. It also has at... | 02/05/2008 |
| 7307424 | Electromagnetic surveying for hydrocarbon reservoirs An electromagnetic survey method for surveying an area that potentially contains a subterranean hydrocarbon reservoir. The method comprises detecting a detector signal in response to a source electromagnetic signal, resolving the detector signal along at least two o... | 12/11/2007 |
