| 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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| 01/16/2013 | CN102878979A Automatic electric measurement type layered settlement instrument |
| 01/16/2013 | CN102174893B Testing method for laying ballastless tracks in early stage before overall completion of super long tunnel |
| 01/15/2013 | CA2468237C Hybrid inertial navigation unit with enhanced integrity in altitude |
| 01/09/2013 | EP2543959A1 Surveying staff for electronic levelling instrument |
| 01/09/2013 | CN102865852A Elevation calibration method and device for digital elevation model data |
| 01/09/2013 | CN102865851A Surveying staff for electronic levelling instrument |
| 01/09/2013 | CN102865850A Horizontal ruler for engineering surveying and mapping |
| 01/09/2013 | CN102168939B Three-dimensional measuring method and device for earth surface cracks |
| 01/09/2013 | CN101995236B System and method for correcting reference value of pressure conversion altitude |
| 01/02/2013 | CN202648651U Roadbed settlement monitoring device |
| 01/02/2013 | CN102853838A GPS positioning-monitored cruise instrument |
| 01/02/2013 | CN102853815A Automatic smoothening leveling ruler |
| 01/02/2013 | CN102853814A Leveling rod by utilizing color-changing light emitting diode (LED) to supplement light source |
| 01/02/2013 | CN102853813A Remote intelligent detection method and facility for subgrade settlement |
| 01/02/2013 | CN102853812A Angular-displacement underwater settlement gauge |
| 12/26/2012 | CN202630950U U-shaped level gauge |
| 12/26/2012 | CN202630949U Physical settlement meter with high measurement precision |
| 12/26/2012 | CN202630948U Level base |
| 12/26/2012 | CN202630947U Illumination device for digital leveling instrument indium tile ruler |
| 12/26/2012 | CN202630946U Device for measuring and arranging horizontal point |
| 12/26/2012 | CN102840851A Two-point levelness detection device |
| 12/26/2012 | CN102288139B Height measuring instrument |
| 12/25/2012 | US8340855 USB isolation for vehicle communication interface |
| 12/19/2012 | EP2535683A1 Electronic level |
| 12/19/2012 | CN202614229U Brushing concrete rod buried depth mark positioning device |
| 12/19/2012 | CN202614218U Handheld intelligent height indicator |
| 12/19/2012 | CN102829761A Rapid measuring system of ground height difference |
| 12/19/2012 | CN102829760A Leveling sighting distance display device |
| 12/19/2012 | CN102829759A Remote intelligent three-dimensional digital early warning method and system for subgrade surface settlement |
| 12/19/2012 | CN102829758A Overhead line crossing distance measurer |
| 12/19/2012 | CN102829757A Digital levelling system, method, composite coding levelling staff and production method thereof |
| 12/19/2012 | CN102829756A Altitude measurement extension arm device used for forced centering observation pillar, and manufacturing method thereof |
| 12/19/2012 | CN102313533B Method for data error analysis of on-orbit exploration of lunar laser altimeter |
| 12/14/2012 | DE202012009216U1 Haltevorrichtung für einen Baulaser Holding device for a laser level |
| 12/12/2012 | CN202599418U Settlement observation point measuring device |
| 12/12/2012 | CN202599407U Physical settlement gauge with saw-toothed supporting strips at bottom |
| 12/12/2012 | CN202599406U Physical settlement meter for road bed observation |
| 12/12/2012 | CN202599405U Physical settlement meter with good stability |
| 12/12/2012 | CN202599404U Bending embedding device of electromagnetic sedimentation tube |
| 12/12/2012 | CN202599403U Grade rod support |
| 12/12/2012 | CN202599296U Non-contact type height measuring ruler |
| 12/12/2012 | CN102817605A Method for accurately measuring elevation of drilling point in subterranean drilling |
| 12/11/2012 | US8331625 Distance measuring device and method, and computer program |
| 12/11/2012 | US8327553 Device and method for determining vertical positions |
| 12/05/2012 | CN202582546U Embedded settlement observation point connection fixing device |
| 12/05/2012 | CN202582537U Inspection tool facilitating measurement on difference of computer display screen support |
| 12/05/2012 | CN202582536U Monitoring and warning device for roadbed gesture |
| 12/05/2012 | CN102812327A Rotary laser irradiating system and rotary laser system |
| 11/29/2012 | WO2012161086A1 Altitude measurement device, altitude measurement method, altitude measurement program |
| 11/28/2012 | CN202562471U Remote spirit level |
| 11/28/2012 | CN202562470U Buried type foundation settlement observing device |
| 11/28/2012 | CN102798377A Planar error measurement analysis system and method |
| 11/28/2012 | CN102798376A Land-sea height datum unification technology |
| 11/21/2012 | CN202547648U Audible and visual alarm for scaffold inclination and subsidence |
| 11/21/2012 | CN202547641U Laser level |
| 11/21/2012 | CN202547640U Double-light-beam detection device for foundation sedimentation |
| 11/21/2012 | CN102226697B Precise settlement monitoring method with total station instrument |
| 11/21/2012 | CN102146648B High-speed railway structure settlement monitoring device and monitoring method |
| 11/20/2012 | US8312768 Autonomous and remote-controlled multi-parametric buoy for multi-depth water sampling, monitoring, data collection, transmission, and analysis |
| 11/15/2012 | WO2012155115A1 Stacked dram device and method of manufacture |
| 11/15/2012 | WO2012155000A2 Apparatus and methods for height determination |
| 11/14/2012 | CN202533073U Measuring device of height difference between two horizontal planes |
| 11/14/2012 | CN202533072U Tower ruler controller capable of reducing dispersion errors by controlling verticality of tower ruler |
| 11/14/2012 | CN202533071U Luminescent tower ruler |
| 11/14/2012 | CN202533070U Novel sliding staff |
| 11/14/2012 | CN202533069U Special-purpose height measure gauge for portable total station |
| 11/14/2012 | CN202533027U Multipoint displacement meter for indoor model experiment |
| 11/14/2012 | CN102778893A Precise locating detecting method for truss girder |
| 11/14/2012 | CN102778220A Ruler combinative/composite water level for dual type observation |
| 11/14/2012 | CN102072695B Measuring device and measuring method for tree |
| 11/07/2012 | CN202522231U Dynamic-static state self-adjustment type sedimentation and deflection monitoring system |
| 11/07/2012 | CN202522230U Liquid connection level micrometer |
| 11/07/2012 | CN202522229U Long-acting static settlement/deflection monitoring system |
| 11/07/2012 | CN202522228U Sliding staff clamp for improving verticality of sliding staff and reducing measuring altitude difference error |
| 11/07/2012 | CN202522227U Leveling rod head provided with hanging hole |
| 11/07/2012 | CN102768036A Bimetal chord mark |
| 11/07/2012 | CN102768035A Cup type optical fiber Bragg grating settlement meter and method of application for settlement meter |
| 11/07/2012 | CN102765480A Novel automatic active device and height detection method thereof |
| 11/07/2012 | CN102269585B Method for precisely measuring survey beacon height |
| 11/07/2012 | CN102261905B Method for adjusting center and focal plane of CCD (charge-coupled device) based on optical telescope imaging system |
| 11/07/2012 | CN102071943B Centrifugal experimental simulation testing device for surface subsidence induced by city shield tunnel construction |
| 11/07/2012 | CN101788285B Levelling staff capable of adjusting observation position and measurement technique thereof |
| 11/01/2012 | US20120274505 Automated registration of synthetic aperture radar imagery with high resolution digital elevation models |
| 11/01/2012 | US20120272536 Survey Setting Point Indicating Device |
| 10/31/2012 | CN102759354A Navigation method and device as well as indoor position transmitting method and positioning system |
| 10/24/2012 | EP2515075A1 Weather prediction for pressure sensor |
| 10/24/2012 | CN202501841U Gradienter |
| 10/24/2012 | CN102750815A Concentrator with environmental monitoring function and control method thereof |
| 10/24/2012 | CN102749067A Telemetering device for accurately inverting sea level elevation with self-adaptive multistage calculation |
| 10/23/2012 | US8295955 Methods and apparatus for position estimation using reflected light sources |
| 10/17/2012 | EP2511657A1 Differential altitude estimation utilizing spatial interpolation of pressure sensor data |
| 10/17/2012 | CN202494443U Land subsidence monitor |
| 10/17/2012 | CN202494442U Stratum layering and settlement measuring device |
| 10/17/2012 | CN102735213A Base station based air pressure relative measurement method for calculating precise elevation |
| 10/17/2012 | CN102735212A Monitoring method for subgrade settlement, and device thereof |
| 10/17/2012 | CN102735211A Single operable all-weather level |
| 10/16/2012 | US8290641 Aircraft attitude systems and related methods |
| 10/16/2012 | US8287136 Display apparatus |
| 10/10/2012 | CN202485663U Sliding staff device for nights |
| 10/10/2012 | CN102721414A Embedded part on settlement observation point and application method thereof |