| Patents for G01C 5 - Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels (3,586) |
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| 07/22/2009 | CN101487700A Open type multifunctional vibration damping end cap for leveler |
| 07/16/2009 | US20090180098 Determining target distance in imaging reader |
| 07/15/2009 | EP1639516A4 Method and apparatus for ground detection and removal in vision systems |
| 07/15/2009 | CN201273816Y Leveler |
| 07/15/2009 | CN101482408A Support of level instrument weight |
| 07/14/2009 | US7559236 Portable profiler for profiling a marine biosphere and method of assembling the profiler |
| 07/08/2009 | CN201269754Y Simple leveling device |
| 07/08/2009 | CN201269753Y Firework set-off altitude measurement instrument |
| 07/08/2009 | CN101476885A Building height measurement method based on single digital photo |
| 06/30/2009 | US7554676 Positional measurement system and lens for positional measurement |
| 06/27/2009 | CA2647676A1 Portable electronic device having a history function and intended to display the value of variables on the basis of measurements made by a sensor |
| 06/25/2009 | US20090161090 Systems and Methods for Measuring the Shape and Location of an object |
| 06/24/2009 | EP2072949A2 Navigation system with dynamically calibrated pressure sensor |
| 06/24/2009 | CN201262548Y Standard secondary ruler for measuring drainpipe height |
| 06/24/2009 | CN101464146A Measuring method and apparatus for accurately transmitting ground bench level to overhead viaduct |
| 06/18/2009 | US20090157241 Method of protecting an aircraft by signalling against the risks of collision with the terrain in procedures with reduced protection corridor |
| 06/17/2009 | CN101458077A Height difference measuring method and digital device |
| 06/09/2009 | US7544902 Mechanical lift measurement system |
| 06/04/2009 | US20090143983 Navigation system with dynamically calibrated pressure sensor |
| 06/03/2009 | CN101446491A Error detection device of electronic reading system of digital level and detection method thereof |
| 05/28/2009 | DE102007055439A1 Rotationslaser mit Fernsteuerung Rotary Laser with Remote Control |
| 05/28/2009 | DE10116563B4 Mehrachslaserstrahler mit optischem Strahlteiler Mehrachslaserstrahler with optical beam splitter |
| 05/27/2009 | CN201247071Y Multi-point measuring module |
| 05/27/2009 | CN201247057Y Incabloc type angular displacement drive rod for electric-controlled frame vehicle |
| 05/27/2009 | CN100491927C Two-dimensional code staff gauge and identification method thereof |
| 05/26/2009 | US7536801 Laser leveling device |
| 05/13/2009 | EP1307705B1 Height measurement apparatus |
| 05/13/2009 | CN201237502Y Automated monitoring system for dry sands of tailings reservoir |
| 05/13/2009 | CN101430199A Method and apparatus for monitoring soft soil base sedimentation |
| 05/13/2009 | CN100487370C Digital identification method of levelling measurement |
| 05/07/2009 | US20090115995 Method and system for fast calibration of three-dimensional (3D) sensors |
| 05/06/2009 | CN201233237Y Collapsible sedimentation observation point sign post |
| 05/06/2009 | CN201233233Y Passenger transport dedicated line railway foundation pile control network height measurement sign device |
| 05/06/2009 | CN201233232Y Passenger transport dedicated line railway foundation pile control network height measurement sign device |
| 05/06/2009 | CN101424576A Method for measuring air pressure and altitude by hand-held mobile phone |
| 05/06/2009 | CN101424535A Vehicle positioning method and device |
| 04/30/2009 | US20090109420 Surveying Method and Surveying Instrument |
| 04/29/2009 | CN201229180Y Hight indicator |
| 04/29/2009 | CN101419287A Real time acquiring method for sea fog thickness and height of low cloud base |
| 04/23/2009 | US20090101772 Level indicator clip for tripods and other structures |
| 04/23/2009 | DE102007050322A1 Measuring device for determining height of object on e.g. floor area, has measuring ruler with length scale and crossbar, where crossbar includes indicator for monitoring orthogonality of measuring ruler to horizontal reference plane |
| 04/22/2009 | EP1373850A4 Redundant altimeter system with self-generating dynamic correction curve |
| 04/22/2009 | EP1373832A4 Modular altimeter |
| 04/16/2009 | DE10062841B4 Lichtstrahlenempfänger für Laserpositioniergeräte Light beam receiver for Laserpositioniergeräte |
| 04/15/2009 | CN201221944Y Flag hoisting synchronous display apparatus |
| 04/15/2009 | CN101408421A Height judging component and electronic device using the same and positioning method thereof |
| 04/09/2009 | US20090093959 Real-time high accuracy position and orientation system |
| 04/09/2009 | DE19841815B4 Lasermeßinstrument Laser measuring instrument |
| 04/08/2009 | CN201218732Y 激光定位罗盘 Laser positioning Compass |
| 04/08/2009 | CN201218710Y Sample board used for detecting height difference of two curved surfaces of front lamp and bumper |
| 04/08/2009 | CN101403613A Novel altimetric measurement methods |
| 04/02/2009 | DE202008016383U1 Indirektes Entfernungsmessgerät Indirect Distance Meter |
| 04/01/2009 | CN201215484Y Height distance instrument for communicating tube equipped with ruler |
| 04/01/2009 | CN100474354C Method and device for assisting the ground navigation of an airplane in an airport |
| 03/31/2009 | US7509747 Laser level |
| 03/26/2009 | WO2009038578A2 Position sensor for well tools |
| 03/26/2009 | WO2009036809A1 Timepiece with density altitude indicator |
| 03/25/2009 | CN201212809Y Direct reading water level ruler |
| 03/25/2009 | CN201212724Y Air conditioner suspending board |
| 03/24/2009 | US7508587 Laser level |
| 03/24/2009 | CA2256874C Terrain anti-collision process and device for aircraft, with improved display |
| 03/18/2009 | EP1290407B1 Apparatus, method and computer program product for helicopter ground proximity warning system |
| 03/18/2009 | EP1285228B1 Apparatus, method and computer program product for helicopter enhanced ground proximity warning system |
| 03/18/2009 | EP1151244B1 Ground proximity warning system |
| 03/18/2009 | CN201210051Y Fluid communicating gradienter in storage cylinder shape |
| 03/18/2009 | CN100470408C Altimeter watch |
| 03/04/2009 | CN201203394Y High precision detection scale for mechanical mounting |
| 03/04/2009 | CN101379367A Method and apparatus for determining the altitude of a mobile device |
| 03/04/2009 | CN100465582C An automatic leveling base of level instruments and theodolites |
| 02/26/2009 | US20090055117 Method And Device For Compensating The Mounting Tolerances Of A Distance Sensor |
| 02/25/2009 | EP1218696B1 Method and apparatus for alerting submersible vessels to hazardous conditions |
| 02/25/2009 | CN201199155Y Apparatus for accurately measuring three-dimensional coordinates |
| 02/24/2009 | US7495748 Scannerless loss modulated flash color range imaging |
| 02/24/2009 | US7493701 Self-leveling laser apparatus and a method for controlling the same |
| 02/19/2009 | US20090046146 Surgical communication and control system |
| 02/18/2009 | CN100462679C Tidal altimetric measuring apparatus and mesuring method thereof |
| 02/12/2009 | WO2008152231A3 Method and device for monitoring a horizontal position of an aircraft rolling on the ground |
| 02/04/2009 | CN201191184Y Digital wireless electric height meter |
| 02/04/2009 | CN101358848A Equal-height planometer |
| 01/20/2009 | US7479923 Airspace separation control and collision avoidance |
| 01/06/2009 | US7472492 Stencil assembly for marking pavement grade levels |
| 12/31/2008 | CN201173775Y Double bladder type leveling instrument |
| 12/31/2008 | CN201173774Y Precision three-dimensional survey mark |
| 12/31/2008 | CN201173773Y GPS RTK total station type measuring apparatus |
| 12/31/2008 | CN201173757Y Planarity measuring apparatus |
| 12/31/2008 | CN201172788Y Digital track gage |
| 12/31/2008 | CN101334309A Rill erosion amount measurement method and its determinator |
| 12/30/2008 | US7471376 Method and system for fast calibration of three-dimensional (3D) sensors |
| 12/24/2008 | EP1317677A4 Method and system for high precision altitude measurement over hostile terrain |
| 12/24/2008 | CN201170799Y Receiving apparatus for satellite positioning system capable of correcting height and direction |
| 12/23/2008 | US7468785 Enhanced triangulation |
| 12/23/2008 | US7467545 Method and device for measuring water currents |
| 12/18/2008 | WO2008152231A2 Method and device for monitoring a horizontal position of an aircraft rolling on the ground |
| 12/11/2008 | WO2008148649A1 Weather prediction system |
| 12/10/2008 | EP1999431A2 Method and apparatus for determining the altitude of a mobile device |
| 12/10/2008 | CN201163187Y Horizontal angle square |
| 12/10/2008 | CN101319893A Method for accurately determining region height anomaly |
| 12/10/2008 | CN100442174C Electronic device with analog display of the history of at least one physical quantity measured by a sensor |
| 12/10/2008 | CN100442173C Portable electronic device provided with an analog displayed variometer function |
| 12/04/2008 | WO2008147460A2 Rotary wing aircraft proximity warning system with a geographically based avoidance system |