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