| Patents for G01C 13 - Surveying specially adapted to open water, e.g. sea, lake, river or canal (1,002) |
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| 07/07/2010 | CN101769739A Integrated hydrology monitoring system |
| 06/30/2010 | CN101105399B Sea clutter image ridgelet domain wave parameter checking method |
| 06/16/2010 | CN201506456U Data transmission buoy released from a deep sea |
| 06/16/2010 | CN101738179A Inductive coupling-based anchoring self-lifting profile monitoring buoy |
| 06/16/2010 | CN101738178A River fluctuation analysis system and method employing aerial photograph and GIS (Graphical Information System) |
| 06/10/2010 | WO2010063856A1 Apparatus for measuring the optical properties of water samples |
| 06/09/2010 | CN201501515U Piston type underwater lifting platform buoyancy adjusting mechanism |
| 06/09/2010 | CN101726286A Method for measuring underwater vertical lifting section |
| 06/09/2010 | CN101726285A Hydraulic driving adjustment device for underwater measurement platform |
| 06/09/2010 | CN101723063A Controlled self-lifting floating body |
| 06/02/2010 | CN201497507U Marine element full section monitoring device |
| 06/02/2010 | CN101441078B River tidal bore subsection real time early warning method |
| 06/02/2010 | CN101216305B Composite balancing device for bearing ultrasonic wave-measuring sensor |
| 05/26/2010 | CN201489111U Dredger positioning system |
| 05/26/2010 | CN101713652A Intelligent multi-sensor system and working method thereof |
| 05/12/2010 | CN101706275A Measuring device and method of dynamic ocean waves |
| 04/28/2010 | CN1673681B Method of detection of the beginning of a diving for diving computer |
| 04/14/2010 | EP2174094A1 Hydraulic monitoring unit |
| 04/07/2010 | CN201436558U Protection device of sea investigation instrument |
| 03/31/2010 | EP2167916A2 Device and method for operator guidance of a ship |
| 03/31/2010 | CN201435140Y Ocean observation data transmission device |
| 03/31/2010 | CN101688774A High definition lidar system |
| 03/24/2010 | CN201429418Y Composite bar-type visualizer |
| 03/19/2010 | CA2678837A1 Determining a position of an object of a positioning network associated with a marine survey arrangement |
| 03/17/2010 | CN201424125Y Water depth surveying ship |
| 03/17/2010 | CN101672647A Ultrasonic open channel flow rate comprehensive monitoring instrument and measuring method thereof |
| 02/25/2010 | WO2008139445A3 A method and device for measuring water currents by temperature |
| 02/17/2010 | CN201408005Y Automatic pressure-retaining pump station of sectional buoy |
| 02/10/2010 | CN101644572A Detection method of ocean eddy variation based on historical similarity cases |
| 02/09/2010 | CA2419707C Controlled lifeboat deployer |
| 02/03/2010 | CN201397138Y Real-time monitoring system for offshore marine environment in polar region |
| 02/03/2010 | CN201397137Y Integrated GPS positioning dual-frequency ultrasonic underwater topography measuring instrument |
| 01/27/2010 | CN201392199Y Vessel-mounted navigable water depth measuring system |
| 01/14/2010 | US20100005857 Interactive mobile aquatic probing and surveillance system |
| 01/13/2010 | CN201382935Y Thermohaline measurement sensor chain |
| 01/06/2010 | CN201378079Y Water-color high spectral radiance real-time monitoring system |
| 01/06/2010 | CN201378056Y Underwater measuring device |
| 01/06/2010 | CN101619972A Method for calculating storage capacity of reservoir |
| 12/30/2009 | CN201373992Y Controller of rope pull-type survey vessel |
| 12/30/2009 | CN201373758Y Natural gas flow monitoring and checking device through computer measurement |
| 12/30/2009 | CN101615183A System and method for analyzing spatial image information and GIS based river time sequence |
| 12/23/2009 | EP2136180A2 Method and system for measuring a rheological transition level |
| 12/23/2009 | CN201368867Y Combined temperature and salinity meausing sensor chain |
| 12/23/2009 | CN201368866Y Inductive-coupling type data transmitting temperature and salinity meausing sensor chain |
| 12/23/2009 | CN101608915A Novel ocean wave observation instrument |
| 12/17/2009 | DE102008028287A1 Verfahren und Vorrichtung zur Herstellung einer faserbeladenen Kunststoffschmelze Method and apparatus for producing a fiber-laden plastic melt |
| 12/16/2009 | CN201364157Y Multifunctional intelligent telemetering terminal |
| 12/16/2009 | CN101604356A Establishing method of uncertainty mid-term and long-term hydrological forecasting model |
| 12/09/2009 | CN101596928A Water depth surveying boat |
| 12/02/2009 | CN101592488A Information entropy theory based noise canceling method in hydrological sequence analysis |
| 12/02/2009 | CN100564705C Packaged technology for in situ automatically monitoring underwater groundsill |
| 11/25/2009 | CN201352118Y Multi-beam data comprehensive processing system |
| 11/25/2009 | CN101587001A Method for measuring bank slope wave pressure |
| 11/25/2009 | CN101586956A River water level monitoring method based on monocular camera |
| 11/18/2009 | CN101581582A Ocean landscape spherical viewing cabin |
| 11/11/2009 | CN101576382A Water conservancy monitoring method based on three-dimensional display platform |
| 10/28/2009 | CN100555138C Remote control unmanned boat and remote control device |
| 10/07/2009 | CN101549744A Hybrid multifunctional ocean monitoring independent platform |
| 09/17/2009 | WO2009112864A1 Lifeboat simulator |
| 09/16/2009 | CN101532836A Environmental loading measuring device of ocean engineering model and use method thereof |
| 09/02/2009 | EP1924827A4 System and method for measuring liquid level by image |
| 08/19/2009 | CN101509769A Underwater self-containing measuring apparatus and measurement control method thereof |
| 08/13/2009 | WO2008152613A3 Device and method for operator guidance of a ship |
| 08/05/2009 | CN201285448Y Buoy positioning communication apparatus for Beidou satellite |
| 08/05/2009 | CN201285288Y Use frame of bottom-positioned ocean current measuring instrument |
| 08/05/2009 | CN100524101C Electronic diving meter with analog displaying device |
| 07/22/2009 | CN101487704A Submerged buoy for ocean monitoring |
| 06/30/2009 | CA2431686C Subsea navigation and survey |
| 06/09/2009 | US7545705 System and method for measuring wave directional spectrum and wave height |
| 06/03/2009 | CN201251439Y Flow velocity temperature measuring device of water depth |
| 06/03/2009 | CN201251438Y Underwater signal sensor |
| 06/02/2009 | US7543241 GPS receiver and depth sounder unit having an adjustable display screen |
| 05/27/2009 | CN101442324A Monitoring and controlling processor based on wireless network low-power level signal and processing method |
| 05/27/2009 | CN101441078A River tidal bore subsection real time early warning method |
| 05/27/2009 | CN101441077A Internal wave measuring system |
| 04/29/2009 | CN101419286A Detecting device for sea wave dispersion relations and detecting method |
| 04/22/2009 | CN201225897Y Bearing and placing device with variable angle for subglacial instrument |
| 04/19/2009 | CA2641186A1 Watercraft automation and aquatic effort data utilization |
| 04/15/2009 | CN201221947Y New sea wave observation apparatus |
| 04/15/2009 | CN101408424A Water depth flow speed temperature vertical continuous measuring system |
| 04/08/2009 | CN101403636A River tidal surge detection method based on audio characteristic recognition |
| 04/01/2009 | EP2041515A2 High definition lidar system |
| 03/18/2009 | CN201210052Y Disposable sea water section measurer |
| 03/04/2009 | CN201203439Y Novel pulley for hydrology cable railway |
| 02/25/2009 | EP1218696B1 Method and apparatus for alerting submersible vessels to hazardous conditions |
| 02/04/2009 | CN201191204Y Rope length meter for hydrographic cableway |
| 02/04/2009 | CN201191187Y Tracking float for satellite positioning system |
| 02/04/2009 | CN100458363C Intelligent mass data collecting device for deep sea |
| 02/04/2009 | CN100458362C Quick distributing apparatus for underwater sensor chain |
| 01/29/2009 | WO2009013151A1 Hydraulic monitoring unit |
| 01/14/2009 | CN201181208Y Novel hydrological test lead fish |
| 01/07/2009 | CN201177667Y Synthetic measuring apparatus for hydrology and soil |
| 01/07/2009 | CN101339024A Hydrometric bridge gauging vehicle sounding deflection angle panel |
| 12/31/2008 | CN100447531C Portable multi-beam depth sounder |
| 12/24/2008 | CN201170728Y Antifreezing type multifunctional device for measuring water level and ice thickness |
| 12/24/2008 | CN100445693C Flow profile measuring device |
| 12/10/2008 | EP2000827A1 Acoustic doppler dual current profiler |
| 12/03/2008 | CN101317074A Moisture discharging radar antenna for liquid level detection |
| 11/26/2008 | CN101311673A Satellite remote sensor for typical fishery change and sea environment relationship |
| 11/12/2008 | EP1990609A2 Method and apparatus for altering surface vessels to hazardous conditions |