| Patents for G01C 13 - Surveying specially adapted to open water, e.g. sea, lake, river or canal (1,002) |
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| 06/26/2013 | CN203024758U Remote measuring system for deflection angles of hydrologic cableways |
| 06/26/2013 | CN103175946A System and method for automatically monitoring lake-flooding of shallow lake |
| 06/26/2013 | CN103175562A Portable measuring dragging device for ocean current meter |
| 06/26/2013 | CN103175513A System and method for monitoring hydrology and water quality of river basin under influence of water projects based on Internet of Things |
| 06/20/2013 | WO2013089840A1 Multi-layer ocean vertical gradient constraints |
| 06/19/2013 | CN203011382U Intelligent microwave tidal station |
| 06/19/2013 | CN103162750A River flow monitoring device based on very high frequency/ultra high frequency (VHF/UHF) portable radar |
| 06/19/2013 | CN102435176B Device and method for measuring response to fluctuating pressure of wind generated wave lakebed of shallow lake |
| 06/12/2013 | CN202994775U Portable water depth and transparency measurement meter |
| 06/12/2013 | CN103148842A Shallow sea sand wave area multi-beam sounding terrain reconstruction method based on remote sensing image features |
| 06/12/2013 | CN103148841A Rod-type marine environment synchronous vertical survey device |
| 06/12/2013 | CN103147903A Sea observation platform for unmanned and automatic navigation |
| 06/05/2013 | CN102353358B Self-propelled detector for water depth of navigation channel |
| 06/05/2013 | CN102030081B Data transmission buoy released in deep ocean |
| 05/29/2013 | CN103123261A Anti-destruction wireless hydrological telemetering machine |
| 05/21/2013 | US8447064 Providing travel-logs based geo-locations relative to a graphical map |
| 05/15/2013 | CN202938825U Pressure measuring type sea wave wavelength measuring device |
| 05/08/2013 | CN202928575U Wireless sensor network node for water depth monitoring |
| 05/08/2013 | CN202928574U Embedded type dual-channel detecting instrument system |
| 05/08/2013 | CN202928573U Vertical real-time control device of non-tide water depth measuring measurement rod of GPS (Global Positioning System) |
| 05/08/2013 | CN103090855A Method for determining arrival of tidal bore based on water velocity |
| 05/08/2013 | CN102155938B Measuring method for inversing reservoir feeding flow procedures |
| 05/01/2013 | CN103076008A Counter-type sea wave length measuring device |
| 04/24/2013 | CN202903189U Portable surveying instrument |
| 04/24/2013 | CN202903188U Remote navigation channel detecting system |
| 04/24/2013 | CN102410833B Throwing-type measuring instrument capable of automatically releasing probe under water |
| 04/17/2013 | CN202885815U Ocean monitoring device |
| 04/10/2013 | CN202869519U Marine gauge rod water guide plate |
| 04/10/2013 | CN202869482U Auxiliary fixing device of portable ocean current section plotter |
| 04/10/2013 | CN103033643A High water flow testing mode of non-contact microwave flow meter capable of replacing traditional buoy |
| 04/10/2013 | CN102393195B Hydrologic information collection instrument |
| 04/03/2013 | CN202853611U Amphibious hydrological water quality comprehensive tour gauging vehicle |
| 03/27/2013 | CN202836562U Low-energy marine elements measuring apparatus |
| 03/27/2013 | CN102364302B Rainfall and water level monitoring equipment |
| 03/21/2013 | WO2013037892A1 Subsea elevation monitoring system |
| 03/13/2013 | CN202793393U Acoustic undersea tide gauge |
| 03/13/2013 | CN202793392U Mounting frame capable of being conveniently mounted and guaranteeing depth-measuring energy converter rod to be vertical |
| 03/13/2013 | CN202793391U Capacitance induction type automatic tidal observation device |
| 03/06/2013 | CN202770444U Water depth flow velocity self-operated measuring device |
| 03/06/2013 | CN102954788A Landform measuring instrument for seabed foundation of ocean platform |
| 02/27/2013 | CN202757617U Gravity type piston pressure converting water supply system |
| 02/27/2013 | CN202757616U Detector moving as jellyfish |
| 02/27/2013 | CN102353957B Method for processing multi-beam bathymetric data based on variable-bandwidth filter |
| 02/20/2013 | CN102937444A Wireless sensor network node for water depth monitoring |
| 02/13/2013 | CN202734823U Lead |
| 02/13/2013 | CN202728535U Unmanned telemetering ship |
| 02/13/2013 | CN102927991A Small airborne throwing-type marine profile probe sinking model experimental apparatus |
| 02/13/2013 | CN102927974A Detection method for multi-beam sounding detection method |
| 02/06/2013 | CN202719980U Hydrographic survey equipment for small water area |
| 02/06/2013 | CN102914296A Observing method of small-sized underwater autonomous navigation observing platform |
| 01/31/2013 | US20130030722 Mobile flow rate measuring system and method |
| 01/30/2013 | CN202710080U Experiment device of small onboard throwing type ocean profile probe sinking model |
| 01/30/2013 | CN202710056U Solar drift bottle |
| 01/30/2013 | CN202710055U Novel hydrological remote-measured data transmission terminal |
| 01/23/2013 | EP2548796A1 Analysis of a wave pitch by means of correlation |
| 01/23/2013 | CN102889884A Four-eye fish imitated amphibious observing device |
| 01/16/2013 | CN202676165U Portable marine gravity and magnetism and water-depth integration measuring device |
| 01/16/2013 | CN202676164U Novel hydrologic telemetry system |
| 01/16/2013 | CN202676163U Novel hydrologic telemetering data transfer terminal instrument |
| 01/16/2013 | CN202676162U Automatic river tidal bore real-time detection device with two radar wave flow meters |
| 01/16/2013 | CN102878985A Water surface wave scale monitoring method based on image texture features |
| 01/16/2013 | CN102305621B Hydrological comprehensive measurement device |
| 01/09/2013 | CN202661068U Multifunctional underwater sound transducer support |
| 01/09/2013 | CN202657221U Glass-fiber-reinforced hydrologic monitoring ship |
| 01/03/2013 | WO2013003081A1 An inexpensive instrument for measuring wave exposure and water velocity |
| 01/02/2013 | CN202648662U Damage-proof wireless hydrological telemetering machine |
| 01/02/2013 | CN202648661U Flow velocity-based river eagre detection device |
| 01/02/2013 | CN102853823A Acoustic undersea tide gauge |
| 12/26/2012 | CN202624594U Remotely controlled hydrologic powered vessel |
| 12/26/2012 | CN102840854A Portable integrated measurement apparatus for marine heavy magnet and water depth |
| 12/19/2012 | CN202614227U Sea measuring station system |
| 12/19/2012 | CN102829771A Device for automatically measuring water depth flow velocity |
| 12/19/2012 | CN102829770A GPS buoy wave measuring method and wave measuring system |
| 12/19/2012 | CN101823550B Seabed observation network node platform |
| 12/12/2012 | CN102818562A Capacitive-sensing automatic tide gauge |
| 12/06/2012 | WO2012164159A1 Method, system and device for providing information about a navigable passage |
| 12/05/2012 | CN202582544U Underwater topography surveying vessel |
| 12/05/2012 | CN102809372A Installing frame convenient for being installed and capable of ensuring verticality of sounding energy converter bar |
| 11/29/2012 | WO2012162248A1 Aquatic sample analysis system |
| 11/28/2012 | CN202562478U Intelligent voice hydrological telemetry terminal |
| 11/28/2012 | CN102798385A Solar energy drift bottle |
| 11/28/2012 | CN102798384A Ocean remote sensing image water color and water temperature monitoring method based on compression sampling |
| 11/28/2012 | CN101769739B Integrated hydrology monitoring system |
| 11/21/2012 | EP2524863A1 Unmanned boat with depth measurer as anchoring aid |
| 11/21/2012 | CN102788574A Hydrographic survey device for small water area |
| 11/15/2012 | WO2012152858A1 Method for monitoring seafloor movements |
| 11/15/2012 | CA2834913A1 Method for monitoring seafloor movements |
| 11/14/2012 | EP2522953A1 Method and device for determining the nautical depth of a water mass |
| 11/07/2012 | CN202522443U Water depth detection sampler |
| 11/07/2012 | CN202522236U Ocean wave observation device |
| 11/07/2012 | CN102103201B Wetland data acquisition method of multi-task mode |
| 10/31/2012 | CN202511793U Cableway traveling frame |
| 10/31/2012 | CN202509443U Novel hydrologic monitoring device |
| 10/24/2012 | CN202501847U Shallow sea recovery type hydrographic survey base system |
| 10/10/2012 | CN202485673U Portable hydrological reconnaissance protection instrument |
| 10/10/2012 | CN202485672U Underwater wave-gauging and tide-gauging work station |
| 10/10/2012 | CN102721411A Wave scale monitoring method based on water wave image |
| 10/03/2012 | CN202471062U Flow measurement bracket for measuring bridge |
| 10/03/2012 | CN102707025A Intelligent distinguishing method and intelligent distinguishing device for nutritional status of lakes and reservoirs |
| 10/03/2012 | CN102706332A Centimeter-sized drifting buoy device of satellite navigation system |