| Patents for G01C 13 - Surveying specially adapted to open water, e.g. sea, lake, river or canal (1,002) |
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| 04/02/2014 | CN103698823A Meteorological window forecast system and meteorological window forecast method for marine floating and immersion of immersed tube tunnel tube sections |
| 04/02/2014 | CN103698774A Beidou satellite communication-based tidal level data acquisition and transmission device |
| 04/02/2014 | CN103697865A Subsurface buoy data transmission system |
| 04/02/2014 | CN103697858A Sea cliff erosion scale measuring device and method |
| 04/01/2014 | US8688408 Flight in factory |
| 03/26/2014 | CN103669299A Baffle for wide rectangular thin-plate weirs such as small-sized basin rainfall runoff field observation cofferdams |
| 03/25/2014 | US8682508 Methods of identifying flight profiles in aircraft maintenance operations |
| 03/19/2014 | CN103644898A Water boundary recognition measurement system for river model test and water boundary recognition measurement method |
| 03/18/2014 | US8676520 Method and system for determining an amount of a liquid energy commodity in storage in an underground cavern |
| 03/12/2014 | CN203479303U Liquid level depth measuring system |
| 03/12/2014 | CN203479302U Hydrological terminal device |
| 03/12/2014 | CN203473203U Shallow water type silent study releaser submerged buoy |
| 03/12/2014 | CN103630123A Wave sensor |
| 03/05/2014 | CN203464932U Buoy-based acoustical Doppler current profiler fixing device |
| 03/05/2014 | CN203464931U Near-distance detection device for seabed landform |
| 02/27/2014 | WO2014029160A1 Acoustic undersea tide gauge |
| 02/27/2014 | WO2014029158A1 Onboard measuring working cabin convenient to carry and assemble |
| 02/26/2014 | CN103604423A Remote-sensing wild automatic monitoring system and method for shallow lakes |
| 02/20/2014 | WO2013186415A3 Free-floating system and device for the directional characterisation of surface waves |
| 02/19/2014 | CN203440025U Oceanographic surveying detachable lifting device |
| 02/19/2014 | CN103591942A Method for quickly simplifying and automatically optimizing sound velocity profile based on maximum offset of sound velocity |
| 02/19/2014 | CN103591941A Energy-saving ocean sub-surface vertical-section measuring system |
| 02/19/2014 | CN103591939A Method for measuring simulated seabed terrain based on active stereo vision technology and measuring equipment |
| 02/13/2014 | WO2014023060A1 Mounting frame capable of being mounted conveniently and ensuring that depth-measuring transducer rod is vertical |
| 02/12/2014 | CN203428000U Blindage type anti-dragging subsurface buoy detection device |
| 02/12/2014 | CN203427999U Self-lifting type connected submerged buoy measuring system |
| 02/05/2014 | CN103557844A Sandy water bottom BRDF (Bidirectional Reflectance Distribution Function) model based on Hapke model |
| 02/05/2014 | CN103557843A Compact underwater microtopography measurement apparatus |
| 02/05/2014 | CN103557842A Efficient mounting system for multifunctional underwater measuring instrument |
| 01/23/2014 | WO2014013064A1 Method for determining parameters of water surface observation by imaging |
| 01/22/2014 | CN103534616A Method for monitoring seafloor movements |
| 01/16/2014 | WO2014009720A1 Remote sensing device and monitoring apparatus |
| 01/16/2014 | DE102010001440B4 Verfahren und Mess-System zur Messung des Wasserstands eines Gewässers Methods and measuring system for measuring the water level of a water body |
| 01/15/2014 | CN203396396U River channel bottom detection device and automatic flow measurement system |
| 01/15/2014 | CN103512562A Automatic monitoring and early-warning system for offshore area environment based on Arduino |
| 01/15/2014 | CN103512561A High-contrast capillary depth gauge and watch comprising such depth gauge |
| 01/15/2014 | CN103512560A Multifunctional river hydrology automatic measurement system and riverbed elevation measurement method |
| 01/08/2014 | CN203385418U Mechanical switching type depth sensor |
| 12/25/2013 | CN203364864U Tidal-bank automatic crane |
| 12/25/2013 | CN103471568A Portable optical measurement system for water body with vertical section and using method of system |
| 12/19/2013 | US20130333463 Automatic hydrologic parameter measuring system for river flow and the method using the same |
| 12/18/2013 | CN102506832B Device for testing depth of encroached sea water |
| 12/18/2013 | CN102401642B Multi-channel sounder employing multi-way electronic switch |
| 12/11/2013 | CN203337143U Submarine polyethylene (PE) pipeline detection system |
| 12/11/2013 | CN103438871A Bridge pier scouring monitoring system and implement method in high-velocity water flow environment |
| 12/11/2013 | CN103438870A Method and device for dynamically monitoring microtopography and landforms near seabed |
| 12/11/2013 | CN103434989A Oceanographic survey shaft-type movable lifting platform based on gear drive and method |
| 12/04/2013 | CN203323748U Multi-mode flow measurement device of hydrological cableway |
| 12/04/2013 | CN103424106A River tidal bore automatic detection and real-time forecasting method based on water level and flow velocity |
| 11/27/2013 | CN203306195U 1800-meter submerged buoy |
| 11/27/2013 | CN103412478A Hydrological test terminal |
| 11/27/2013 | CN103411591A Fixing and warning equipment of undersea measuring instrument and tossing and withdrawing method thereof |
| 11/20/2013 | CN203298768U Easily recycled marine monitoring device |
| 11/20/2013 | CN203298767U Hydrological information acquisition device |
| 11/20/2013 | CN203294291U Marine hydrology parameter measurement navigation buoy |
| 11/20/2013 | CN102707025B Intelligent distinguishing method and intelligent distinguishing device for nutritional status of lakes and reservoirs |
| 11/13/2013 | CN103389077A Seabed sand wave geomorphology movement detection method based on MBES (multi-beam echo sounding) |
| 11/13/2013 | CN103389076A Submarine topography change detection and analysis method based on mesh reconstruction |
| 11/13/2013 | CN103389075A Real-time non-contact water-surface ripple measuring method based on visible-light polarization imaging |
| 11/06/2013 | CN203274748U Hydrological telemetering terminal |
| 11/06/2013 | CN103175513B System and method for monitoring hydrology and water quality of river basin under influence of water projects based on Internet of Things |
| 11/06/2013 | CN102426013B Flow measuring frame for measuring bridge |
| 11/06/2013 | CN102062600B High-contrast capillary depth gauge and watch comprising such a depth gauge |
| 10/31/2013 | US20130283903 Device for tracking position of freshwater-saltwater interface of underground water and apparatus for installing the same |
| 10/30/2013 | CN103376214A Instrument capable of measuring water depth and sampling water |
| 10/30/2013 | CN103376126A Automatic tidal bank lifting frame |
| 10/30/2013 | CN103376094A River and lake sand collecting detecting instrument and river and lake sand collecting detection method |
| 10/30/2013 | CN102519438B Water depth measuring instrument |
| 10/23/2013 | EP2312271B1 Method of determining swell sizes |
| 10/23/2013 | CN103363962A Remote sensing evaluation method of lake water reserves based on multispectral images |
| 10/16/2013 | CN203241051U Hydrological telemetering terminal with display function |
| 10/16/2013 | CN203241050U Multi-parameter real-time continuous three-dimensional monitoring system for marine environment with artificial upwelling |
| 10/02/2013 | CN103335637A Hydrological sequence extension method based on wavelet-cloud model |
| 09/25/2013 | CN103322985A Intelligent monitoring remote sensing terminal |
| 09/18/2013 | CN103308035A Multifunctional telemetry terminal with display function |
| 09/11/2013 | CN203191571U Comprehensive observing system of volunteer ships |
| 09/11/2013 | CN203190973U Hydrologic telemeter with wireless control system |
| 09/11/2013 | CN203190972U Hydrologic telemeter with radiator |
| 09/11/2013 | CN103293521A Method for detecting water depth of offshore sea by X-band radar |
| 09/11/2013 | CN103292793A Multifunctional telemetering terminal with hydrological telemetering |
| 09/11/2013 | CN103292792A Actual measurement SVP reconstruction method suitable for submarine detection and pseudo-landform processing |
| 09/04/2013 | CN203177854U Hydrologic remote monitoring machine with wireless monitoring system |
| 09/04/2013 | CN203177853U Hydrology remote measuring machine with overvoltage protection device |
| 09/04/2013 | CN203177852U Hydrology remote measuring machine with overcurrent protection device |
| 08/28/2013 | CN103267519A Hydrographic measurement system with wireless transmission function and measurement method |
| 08/28/2013 | CN103267518A Artificial upwelling marine environment multi-parameter real-time continuous three-dimensional monitoring system |
| 08/21/2013 | CN203142980U 1800m submerged buoy |
| 08/14/2013 | CN102538768B Method for measuring water depth of shallow sea based on double-frequency high-frequency ground wave radar |
| 08/07/2013 | CN203116737U Ultrasonic underwater measuring system |
| 08/07/2013 | CN203116736U Ocean observation flow velocity wave instrument |
| 08/07/2013 | CN203116735U Hydrological telemetry machine with detection control device |
| 08/07/2013 | CN203116734U Hydrological telemetry machine with infrared induction device |
| 08/07/2013 | CN203116733U Hydrological telemetry machine with light modulation circuit |
| 08/07/2013 | CN203116732U Hydrological telemetry machine with circuit detection device |
| 08/07/2013 | CN203116731U Depth finder for automatic measurement |
| 07/31/2013 | CN203101370U Automatic monitoring system for shallow lake sewage groups |
| 07/31/2013 | CN203100758U Measurement dragging device for portable seawater instrument |
| 07/31/2013 | CN203100734U Remote monitoring system of marine ecological buoy |
| 07/03/2013 | CN203037255U Compact installation structure of pressure sensor |
| 06/26/2013 | CN203025177U Integral cabinet type automatic water quality monitoring device |