Patents for G01C 15 - Surveying instruments or accessories not provided for in groups (9,775)
07/1998
07/21/1998US5782003 Device for projecting a flat beam of diverging laser rays
07/16/1998WO1998030977A1 Method and arrangement for determining the position of an object
07/15/1998EP0852734A1 Method and device for geodetic surveying and/or earth imaging by satellite signal processing
07/15/1998CN1039159C Object reflector detecting apparatus
07/07/1998US5777899 Horizontal position error correction mechanism for electronic level
07/02/1998DE19713336C1 Position sensitive photoelectric sensor, e.g. for use in surveying
06/1998
06/30/1998US5774211 Laser leveling system for setting pipes
06/30/1998US5773840 Method & apparatus for electro optically determining the dimension, location & attitude of objects
06/30/1998US5771978 Grading implement elevation controller with tracking station and reference laser beam
06/24/1998EP0849611A2 Locating device for underground objects
06/23/1998US5771099 Optical device for determining the location of a reflective target
06/23/1998US5769370 Knock-down satellite positioning system antenna supporting tripod
06/17/1998CN1185239A 激光水平仪 Laser Levels
06/17/1998CN1185206A Device for detecting moving body deviating from course
06/16/1998US5767952 Surveying instrument
06/16/1998US5767525 Method and apparatus for electro-optically determining the dimension, location and attitude of objects
06/10/1998EP0846278A1 Arrangement for retroreflection of a ray using triple prisms
06/10/1998EP0846251A1 Geodesic measuring staff
06/10/1998CN1038706C Improvements in apparatus for and method of powerline surveying and designing
06/09/1998US5764828 Optical apparatus for controlling angle of divergence of ring beam
06/09/1998US5764511 System and method for controlling slope of cut of work implement
06/03/1998EP0845657A2 Device for measuring deformation of a structure, in particular a marine stucture
06/03/1998CN2283231Y Digital remote-measuring plumb line coordinator
06/03/1998CN2283230Y Multipurpose building plumb line
06/02/1998US5760932 Target for laser leveling systems
06/02/1998US5760909 Electronic distance measurement apparatus
05/1998
05/28/1998WO1998022831A1 Hand-held gps-mapping device
05/28/1998DE19648867A1 Building laser for installation work
05/28/1998DE19647150A1 Control system for built in material using road leveller
05/26/1998US5757504 Positional measurement projecting device and mounting structure therefor
05/26/1998US5757499 Method of locating the spatial position of a frame of reference and apparatus for implementing the method
05/26/1998US5757315 GPS receiving apparatus
05/26/1998US5757314 Method and apparatus for accurately determining the position of a masked point by satellite
05/26/1998US5757286 Method and a device for the registration of the movement of a vehicle
05/26/1998US5756987 Photoelectric displacement detector having movable detecting elements
05/26/1998US5755072 Construction method
05/20/1998EP0842395A1 Process and device for the rapid detection of the position of a target marking
05/20/1998EP0842393A1 Method of mutually aligning bodies and position-measuring sensor therefor
05/20/1998DE19716304C1 Geodetic device for plumbline, theodolite or tachymeter
05/20/1998CN2282171Y Steel tape surveyor's rod
05/19/1998US5754582 Laser level
05/19/1998US5754287 Beam projecting plumb apparatus
05/19/1998US5754049 Method and apparatus for locating buried conductors in the presence of plural conductors
05/14/1998WO1998020398A1 Obstacle collision preventive apparatus of mobile object
05/14/1998WO1998020302A1 Device for detecting obstacle on surface of traveling road of traveling object
05/14/1998DE19646805A1 Device for positioning marking elements of buried cable routes
05/14/1998DE19646779A1 Laser level
05/13/1998EP0841535A2 Method and apparatus for surveying areas and rooms
05/13/1998EP0756655A4 Improvement in automated, laser aligned leveling apparatus
05/12/1998US5751459 Marking apparatus having feedback-controlled rotational laser beam
05/12/1998US5751408 Surveying apparatus
05/12/1998US5751407 Optical radar device
05/12/1998US5749549 Satellite positioning system antenna supporting tripod
05/07/1998DE19749464A1 Determination of deviation from vertical of sunken slit, shaft, bore hole, sealing wall
05/05/1998US5748353 Marking apparatus having feedback-controlled rotational laser beam
05/05/1998US5748306 Visual alignment instrument
05/05/1998US5748145 Real-time kinematic initialization test system
04/1998
04/30/1998WO1998017972A1 Telemetric spacial data recorder
04/30/1998DE19652977C1 Buried object locating device for ferromagnetic, plastics or metallic objects
04/29/1998EP0837739A1 An optical spray paint optimization system and method
04/28/1998US5745623 Laser system for surveying
04/28/1998US5745074 Staking out method and device using a satellite positioning system
04/28/1998US5744793 Triangulation position-detection and integrated dispensing valve
04/22/1998EP0836667A1 Locating a discrete in-ground boring device
04/21/1998US5742387 Laser beam levelling device and process for operating a laser beam levelling device and associated contrivance
04/21/1998US5742385 Method of airplane interiors assembly using automated rotating laser technology
04/21/1998US5742378 Electronic leveling apparatus and leveling staff used with the same
04/21/1998US5742069 Digitally filtered laser receiver
04/15/1998EP0835457A1 Synchronous laser tracking system
04/14/1998US5739785 Location and generation of high accuracy survey control marks using satellites
04/14/1998US5738595 Laser aiming device
04/08/1998EP0833990A1 Slope of cut control system
04/08/1998CN1178576A Measuring ball reflector
04/01/1998EP0833021A1 Device for applying markings to surfaces
03/1998
03/31/1998US5734348 Global positioning system
03/31/1998US5734172 Method and apparatus for electro optically determining the dimension, location and attitude of objects
03/26/1998DE19637812A1 Horizontal or vertical laser level
03/25/1998EP0830522A1 Excavator data acquisition and control system and process
03/25/1998CN2277081Y Stereoprojection calibrating light projector
03/24/1998US5731997 Method and apparatus for collecting recording and displaying data pertaining to an artifact
03/19/1998WO1998011407A1 Laser light referencing tool
03/18/1998EP0829702A1 Surveying layer
03/17/1998US5727324 Chalk box with arched neck
03/12/1998WO1998010147A1 Construction machine with laser measuring instrument
03/10/1998US5724744 Self-leveling device mounted on a rotating base for projecting laser rays
03/05/1998WO1998009136A1 Photoelectric displacement detector
03/05/1998DE19632058C1 Opto electronic identification or target element
03/04/1998EP0659265B1 Spatial positioning system
02/1998
02/25/1998EP0825419A2 Object orientation sensor device and method
02/24/1998US5720113 Apparatus designed for use as both a string line anchoring device and as a plumb bob
02/24/1998US5720112 Asymmetrical plumb bob and method
02/24/1998US5720106 Height determining system for automatic GPS receiver
02/19/1998WO1998007046A1 Method and device for geodetic surveying and/or earth imaging by satellite signal processing
02/12/1998WO1998005926A1 Automatic collimation method and automatic collimation apparatus
02/12/1998WO1998005925A1 Tracing level
02/11/1998EP0823615A2 Light receiving point sensing device
02/11/1998CN2274340Y 垂直比较仪 Vertical comparator
02/11/1998CN2274335Y Plumb ruler
02/10/1998US5717484 Position detecting system
02/10/1998US5717404 Satellite ephemeris determination system using GPS tracking techniques
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