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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12/04/2008 | WO2008024335A3 Portable reference laser unit and attachment accessory |
12/03/2008 | CN101317071A Level sensor |
12/03/2008 | CN101315277A Device and method for measuring hydrotechnics and river engineering model altitude |
11/27/2008 | WO2008143077A1 3-dimensional discrete data re-sampling method and device |
11/27/2008 | US20080294070 Jugular venous pressure gauge |
11/27/2008 | US20080289415 Calibration method and apparatus for a mobile device |
11/26/2008 | CN201155970Y Pull type ground clearance measurement ruler |
11/25/2008 | US7454842 Laser surveying apparatus |
11/19/2008 | CN101308020A Leveling measuring method |
11/18/2008 | US7453269 Magnetic MEMS sensor device |
11/12/2008 | EP1990609A2 Method and apparatus for altering surface vessels to hazardous conditions |
11/11/2008 | US7448384 Process of detection of a dive start in a dive computer |
11/11/2008 | US7448138 Laser detector and grade rod coupling device |
11/05/2008 | CN201145570Y Geomorphy intervisibility condition judgment ruler |
11/05/2008 | CN201143677Y Multifunctional ink line box |
11/04/2008 | CA2315592C Laser arrangement for a multi-beam laser sighting mechanism |
10/30/2008 | WO2008036928A3 Predicting the formation of intense hurricanes |
10/30/2008 | DE102007020182A1 Movable component e.g. auto-hoist, height measuring method for e.g. forklift, involves measuring atmospheric pressures by barometers, and calculating height of reference point from both measured atmospheric values |
10/28/2008 | US7441340 Surveying instrument with compensation for mechanical errors |
10/22/2008 | CN201138201Y Wheel typed positioning card for lead wire |
10/22/2008 | CN201138200Y Stereoscopic rapid measurement tool for roads |
10/22/2008 | CN201138184Y Height difference measuring apparatus for narrow gauge track |
10/22/2008 | CN100427886C Leveling disc |
10/16/2008 | US20080253834 3d control system for construction machines |
10/15/2008 | CN201133960Y Levelling range finder prism |
10/09/2008 | US20080246974 Portable Optical Measurement Assembly |
10/08/2008 | CN201130016Y Wireless remote control multirange photoelectric level ruler |
10/08/2008 | CN100424469C RVSM airspace aeronautical device height holding performance monitoring system and method |
10/07/2008 | CA2417056C Compensation of pressure sensor errors in baro-inertial altitude data |
10/07/2008 | CA2261265C Integrity monitoring method and apparatus for gps and dgps receivers |
10/02/2008 | WO2008119073A2 Portable optical measurement assembly and methods |
10/02/2008 | US20080235963 Laser level assembly |
10/01/2008 | CN201126358Y Settlement observation structure |
09/30/2008 | US7429948 Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes |
09/23/2008 | US7428466 Self-correcting barometer and/or altimeter |
09/23/2008 | US7428451 Method and device for ensuring the safety of a low-altitude flight of an aircraft |
09/23/2008 | CA2537868C Laser level |
09/17/2008 | CN101266145A Atmospheric pressure altimeter for measuring using multilayer perception machine nerval net and the measurement method |
09/10/2008 | EP1702197A4 High precision wide-angle electro-optical positioning system and method |
09/10/2008 | CN100417916C Micro air craft carried micro altimeter |
09/09/2008 | US7423734 Combined video camera and toolholder with triangulation sensing |
09/04/2008 | US20080215197 Method and Device for Detecting a Risk of Collison of an Aircraft with the Surrounding Terrain |
09/03/2008 | CN201110757Y 桥形尺 Foot bridge |
08/28/2008 | WO2008102871A1 Distance measurement device |
08/27/2008 | CN101251380A Follow-up type push planeness measuring apparatus |
08/26/2008 | US7417586 Methods and systems for interferometric cross track phase calibration |
08/21/2008 | US20080197985 Height Control Device |
08/20/2008 | EP1957937A2 Altitude correction of a navigational device |
08/20/2008 | CN201104228Y Multifunctional electronic orbit level instrument |
08/19/2008 | US7412774 Laser level with selectable constant or pulsed beam output |
08/13/2008 | EP1956340A1 Level sensor |
08/07/2008 | WO2008024786A3 Airborne emitter/receiver arrays, and associated systems and methods |
08/05/2008 | US7408629 Passive measurement of terrain parameters |
07/30/2008 | EP1218695B1 Method and apparatus for alerting surface vessels to hazardous conditions |
07/30/2008 | CN201094017Y Atmospheric pressure altimeter |
07/30/2008 | CN201094015Y Total station instrument of automatic target recognizing and collimating |
07/29/2008 | CA2283032C Landing aid device, especially for anti-ground-collision alert vetoing |
07/24/2008 | US20080177429 Altitude monitoring system for aircraft |
07/15/2008 | US7400386 Combined laser altimeter and ground velocity measurement apparatus |
07/09/2008 | EP1941233A2 Methods and systems for measuring terrain height |
07/08/2008 | US7395604 Laser level with temperature control device and temperature control method thereof |
07/02/2008 | CN101210814A Line engineering GPS control network height fitting method |
07/02/2008 | CN101210809A Continuous casting machine sector section centering measurement method |
07/01/2008 | US7394402 Tailwind alerting system to prevent runway overruns |
07/01/2008 | US7392592 Ruggedized laser level |
06/17/2008 | US7389164 Systems and methods for automatic detection of QFE operations |
06/12/2008 | US20080134527 Damping system and method for a pendulously supported crossline generator |
06/11/2008 | CN201072464Y Anti-seep eye lens structure |
06/11/2008 | CN201072337Y Infrared level instrument |
06/10/2008 | US7386373 System, method and apparatus for searching geographic area using prioritized spatial order |
06/10/2008 | US7386226 Stereo camera system and stereo optical module |
06/05/2008 | WO2008065119A1 Device for servoing graphic representations of the air environment |
06/04/2008 | CN201069357Y A laser locator |
06/04/2008 | CN101194142A 大气模型 Atmospheric model |
06/03/2008 | US7380453 Undersea data logging device with automated data transmission |
05/29/2008 | DE102006055260A1 Nivelliergerät mit mindestens einem kardanisch gelagerten Laser Leveling with at least one gimbal-mounted laser |
05/28/2008 | CN201066276Y A device for measuring rail height and direction |
05/27/2008 | US7379796 Low-altitude flight guidance system, warning system for low-altitude flight guidance, warning generator for low-altitude flight guidance and method for low-altitude flight guidance |
05/27/2008 | US7379166 Combined laser altimeter and ground velocity measurement apparatus and a fiber optic filter edge detector of doppler shifts for use therein |
05/27/2008 | US7379165 Ground vehicle collision prevention systems and methods |
05/21/2008 | CN201062959Y Simple adjusting and checking device for laser level |
05/21/2008 | CN201062947Y Construction engineerí»s level |
05/20/2008 | US7373724 Laser level with improved leveling adjustability |
05/14/2008 | CN201059969Y Novel orientator |
05/14/2008 | CN101178436A Flood and field compatible satellite radar height-finding instrument tracker |
05/13/2008 | US7370427 Tiltable construction laser |
05/08/2008 | WO2008054440A2 System for reducing carbon brake wear |
05/08/2008 | CA2636368A1 System for reducing carbon brake wear |
05/07/2008 | EP1917498A2 Rotary wing aircraft flight control system with a proximity cueing and avoidance system |
04/30/2008 | DE19937154B4 Verfahren zur saugrohrdruckgeführten geodätische Höhenerkennung bei einem Kraftfahrzeug Method for saugrohrdruckgeführten geodetic height detection in a motor vehicle |
04/30/2008 | DE19848269B4 Elektronisches Nivelliergerät Electronic leveling |
04/30/2008 | DE102006050814A1 Verfahren und Vorrichtung zum Projizieren einer horizontalen Arbeitslaserlinie Method and apparatus for projecting a horizontal operating laser line |
04/30/2008 | CN201053870Y Beidou user receiver low efficacy device |
04/22/2008 | US7363121 System, method and apparatus for searching geographic area using prioritized spatial order |
04/22/2008 | US7360314 Leveling method and leveling device |
04/17/2008 | WO2008043517A1 Apparatus and method for determining an elevation of working tools |
04/16/2008 | EP1912041A1 Apparatus and method for determining an elevation of working tools |
04/08/2008 | US7354431 Optical height zeroing device |
04/08/2008 | CA2341402C Mounting and switching of survey apparatus |
04/03/2008 | WO2008008210A3 Handheld laser light detector with height correction, using a gps receiver to provide two-dimensional position data |