| Patents for G01C 13 - Surveying specially adapted to open water, e.g. sea, lake, river or canal (1,002) |
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| 11/11/2008 | US7448384 Process of detection of a dive start in a dive computer |
| 11/05/2008 | CN100430694C Multi-beam wide covering sea floor relief and geomorphy surveying device |
| 10/22/2008 | EP1134547B1 Information processing device for diver |
| 10/22/2008 | CN101290223A Sea-floor relief measurement beam angle effect correction method |
| 10/16/2008 | WO2008008970A3 High definition lidar system |
| 10/08/2008 | CN201130149Y Apparatus for field monitoring all day spectral reflection type floating oil |
| 10/08/2008 | CN201130021Y High steadily composite balancing device for bearing ultrasonic wave of wave measuring sensor |
| 10/01/2008 | CN100423036C Hydrometor observation system for light ship or light sign |
| 09/03/2008 | CN101257424A Underwater wireless sensor network cover control method based on surface even allocation |
| 09/03/2008 | CN100416275C Acceleration transducer |
| 07/30/2008 | EP1218695B1 Method and apparatus for alerting surface vessels to hazardous conditions |
| 07/30/2008 | CN101231167A Method for detecting and regulating sea survey line net systematical error |
| 07/30/2008 | CN100406851C 一种侧扫声纳数据采集处理系统及其方法 One kind of side scan sonar data acquisition and processing system and method |
| 07/16/2008 | EP1943490A1 Moisture discharging radar antenna for liquid level detection |
| 07/15/2008 | US7398741 Remote control unmanned boat and remote control device |
| 07/09/2008 | CN101218602A Image processor and environment information observing device |
| 07/09/2008 | CN101216989A A water cycle cable lightning proof signal transmission device |
| 07/09/2008 | CN101216305A Highly stable composite balancing device for bearing ultrasonic wave-measuring sensor |
| 07/02/2008 | CN201081708Y Multi-processor control device for navigation mark telemetering monitor terminal |
| 06/25/2008 | CN100397432C Automatic monitoring apparatus for submarine permanent anchor system in deep sea |
| 06/12/2008 | WO2008049948A3 Hybrid reflected gnss signal receiver/differential pseudo-correlation radiometer system for passive ocean observation |
| 05/28/2008 | EP1924827A1 System and method for measuring liquid level by image |
| 05/14/2008 | CN201059976Y Channel manual bridge type flow measurement vehicle |
| 05/02/2008 | WO2008049948A2 Hybrid reflected gnss signal receiver/differential pseudo-correlation radiometer system for passive ocean observation |
| 04/24/2008 | US20080094940 System and method for measuring wave directional spectrum and wave height |
| 04/03/2008 | US20080080737 Providing Travel-Logs Based on Hidden Geo-Location Metadata |
| 04/01/2008 | CA2218911C Mooring bed assessment apparatus and method |
| 03/19/2008 | CN201037770Y Self-holding ocean environmental monitoring device |
| 03/19/2008 | CN201037769Y Polar area subglacial fixed point profile measuring system |
| 03/12/2008 | EP1898178A2 Tide display device with global positioning system, timing and navigation |
| 02/13/2008 | EP1886197A1 System for launching marine probes |
| 02/06/2008 | CN201016731Y Multi-frequency sea-bottom acoustic original position testing system |
| 01/30/2008 | CN101114023A Lake and marshland flooding remote sense monitoring methods based on model |
| 01/16/2008 | CN101105399A Sea clutter image ridgelet domain wave parameter checking method |
| 01/09/2008 | CN101101206A Multiple processor structure navigation mark remote-measuring and monitoring terminal system |
| 01/08/2008 | US7317660 System and method for measuring wave directional spectrum and wave height |
| 12/19/2007 | CN200993575Y Wave energy transfer device |
| 10/23/2007 | US7284422 Fluid level measurement device |
| 10/11/2007 | DE10318938B4 Vorrichtung zur Messung des Füllstands einer in einem Behälter aufgenommenen Flüssigkeit Device for measuring the level of a liquid accommodated in a container |
| 10/03/2007 | CN101046380A Marine monitoring messenger bottle |
| 10/03/2007 | CN101046379A Automatic drifting navigation mark |
| 09/27/2007 | DE20321507U1 Vorrichtung zur Messung des Füllstands einer in einem Behälter aufgenommenen Flüssigkeit Device for measuring the level of a liquid accommodated in a container |
| 09/26/2007 | EP1836511A1 A device and a method for detection of and warning against tsunamis |
| 09/19/2007 | CN101037864A Packaged technology for underwater in situ automatically monitoring |
| 09/05/2007 | EP1627114B1 Method for automatically profiling ground in waters |
| 08/02/2007 | DE202006014680U1 Akustische Langzeitüberwachungseinrichtung Küstenvorfeld Acoustic long-term monitoring device coastal zone |
| 07/25/2007 | CN2927076Y Sea-bottom pipe-network detection treater |
| 07/24/2007 | US7248341 Apparatus and method for oscillating a transmitted laser beam of light within the field of view (FOV) of a light receiving system |
| 07/18/2007 | CN101000242A Multi-beam wide covering sea floor relief and geomorphy surveying device |
| 07/18/2007 | CN101000241A Portable multi-beam depth sounder |
| 07/11/2007 | EP1683157B1 Phase change memory element with improved cyclability |
| 06/06/2007 | CN1975798A Water surface monitoring system for multi-frequency submarine acoustical in-situ testing system |
| 06/06/2007 | CN1975328A Multifrequency submarine acoustic in-situ testing system and method |
| 05/24/2007 | US20070116325 Embedding Geo-Location Information In Media |
| 05/23/2007 | CN1967618A Real-time transmission buoy device |
| 05/22/2007 | CA2406674C A method for monitoring seafloor subsidence and for gravity monitoring an underground hydrocarbon reservoir |
| 05/10/2007 | WO2007053007A1 Moisture discharging radar antenna for liquid level detection |
| 05/10/2007 | CA2625828A1 Moisture discharging radar antenna for liquid level detection |
| 03/29/2007 | US20070072125 Phase change memory element with improved cyclability |
| 03/28/2007 | CN1936991A Hydrometor observation system for light ship or light sign |
| 03/08/2007 | US20070052730 Image management system and methods using digital watermarks |
| 02/28/2007 | CN2874426Y Multifunction wading measuring depth and speed suspension rod |
| 02/27/2007 | US7184572 Using steganographic encoded information with maps |
| 02/14/2007 | CN2869779Y Submersible sea-section measuring apparatus |
| 01/18/2007 | WO2007007728A1 Tunami information providing method and tunami information providing system |
| 01/18/2007 | WO2007007528A1 Image processor and environment information observing device |
| 01/04/2007 | WO2007000784A1 System for launching marine probes |
| 12/28/2006 | WO2006136157A1 Maritime information system |
| 12/27/2006 | CN2852062Y Apparatus for real-time online measurement of water velocity and depth |
| 12/27/2006 | CN1884969A Mobile ocean geographic information and marine hydrological environment monitoring method and system thereof |
| 12/06/2006 | CN2844849Y Flow rate and volume calculator |
| 09/14/2006 | US20060201243 Ocean bottom floor hydrophones and seismometers |
| 08/30/2006 | CN2812158Y Submarine device for long-term automatic observation of deep sea anchor system |
| 08/29/2006 | US7098931 Image management system and methods using digital watermarks |
| 08/24/2006 | WO2006087802A1 Tsunami detection system |
| 07/26/2006 | EP1683157A1 Phase change memory element with improved cyclability |
| 07/26/2006 | CN2800228Y Intelligent deep sea parameter data acquisition device |
| 07/19/2006 | CN1804923A Automatic monitoring apparatus for submarine permanent anchor system in deep sea |
| 07/13/2006 | WO2006073358A1 A device and a method for detection of and warning against tsunamis |
| 06/06/2006 | US7057199 Apparatus and method for the measurement of water depth using a controlled receiver |
| 05/17/2006 | CN2781378Y Cup unit of cup-type current meter |
| 05/17/2006 | CN2781377Y Rotation axis dynamic sealing device of propeller-type current meter |
| 05/17/2006 | CN2781376Y Rotation support system of cup-type current meter |
| 05/09/2006 | US7042470 Using embedded steganographic identifiers in segmented areas of geographic images and characteristics corresponding to imagery data derived from aerial platforms |
| 05/09/2006 | US7040157 Variable depth automated dynamic water profiler |
| 05/04/2006 | DE202006002085U1 Water level measuring device, has multiple open containers, where one of containers is adjustably arranged at central rod, and two of the containers are rigidly connected with one another |
| 04/05/2006 | EP1643211A2 Measuring method and device for determining the depth of an erosion as it forms |
| 03/15/2006 | CN1746621A Flow profile measuring device |
| 03/08/2006 | CN1744143A Ocean waters sensor network monitoring system |
| 02/22/2006 | CN2760510Y Steady hanging device for oceanographic instrumentation |
| 02/22/2006 | CN1737497A Method and apparatus for measuring ocean wave load |
| 02/14/2006 | US6997568 Apparatus for measurement water depth including a piezoelectric scanning assembly |
| 01/18/2006 | EP1617177A1 Method of detecting the beginning of a dive for a dive computer |
| 01/18/2006 | CN1721816A Method for detecting the start of a dive for a dive computer |
| 12/15/2005 | US20050276440 Using steganographic encoded information with maps |
| 12/14/2005 | CN1707378A Remote control unmanned boat and remote control device |
| 12/08/2005 | US20050268834 Remote control unmanned boat and remote control device |
| 12/07/2005 | EP1602574A1 Remote control unmanned boat and remote control device |
| 11/30/2005 | CN1229625C River-level prediction device |
| 11/16/2005 | CN1696610A Intelligent mass data collecting device for deep sea |