| Patents for G01C 15 - Surveying instruments or accessories not provided for in groups (9,775) |
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| 11/08/1992 | WO1992019934A1 Device for determination of transverse displacement of objects |
| 11/08/1992 | CA2086838A1 Apparatus for determining lateral displacements of objects |
| 11/03/1992 | US5159760 Device for aligning a geodetic instrument over a defined position mark |
| 10/28/1992 | EP0511191A2 System to measure the position of a rail track with respect to a fixed point |
| 10/27/1992 | US5157843 High accuracy self-setting plumb bob with slide hammer |
| 10/21/1992 | CN1018742B Reference system for railway track machines |
| 10/20/1992 | US5156490 Shield tunnelling apparatus |
| 10/14/1992 | EP0508590A2 Level sensor |
| 10/13/1992 | US5155542 Doublet pulse phase conjugate atmospheric energy transfer system |
| 10/07/1992 | EP0506943A1 Automatic plumb and level tool |
| 10/07/1992 | EP0506894A1 Plumb line for determining the vertical and horizontal |
| 10/01/1992 | WO1992016720A1 System for measuring excavation position of underground excavator |
| 09/22/1992 | US5148641 Finned sleeve for driven type survey monuments |
| 09/01/1992 | US5144487 Portable laser device for alignment tasks |
| 09/01/1992 | US5144486 Laser beam apparatus for providing multiple reference beams |
| 09/01/1992 | US5142788 Laser compass |
| 08/26/1992 | EP0423162B1 Surveying system with an electro-optical total station and a mobile receiver station of a satellite positioning system |
| 08/25/1992 | US5141307 Surveying method |
| 08/19/1992 | CN1063758A Miniature projective measuring instrument |
| 08/11/1992 | US5137354 Computer aided three dimensional positioning sensing system and method |
| 08/11/1992 | US5136785 Apparatus for constructing masonry corners |
| 07/26/1992 | CA2034938A1 Surveying apparatus |
| 07/14/1992 | US5129150 Guide line system for facilitating the construction of a brick wall |
| 07/01/1992 | CN2108897U Miniature projection positioner |
| 06/24/1992 | CN2108276U Inflated folding field measuring rule |
| 06/16/1992 | US5122901 Hollow surveying retroreflector assembly |
| 06/11/1992 | WO1992009863A1 Vehicle straightener measuring unit, measuring apparatus reliant on reflected beam(s), and source, targets and method |
| 06/09/1992 | US5119564 Line of sight target adaptor |
| 06/04/1992 | DE4109970C1 Incremental angle measuring drive for transceiver - has quadruple input AND=gate supplying inverter assigned to correction counter |
| 06/04/1992 | DE4109403A1 Tracking control of railway vehicle using laser triangulation sensors - detecting incorrect bogie wheel tracking by reflection and generating correction pulses |
| 06/03/1992 | EP0488046A2 Surveying machine for construction work |
| 06/02/1992 | US5118184 Transit for establishing 90 degree angles |
| 05/29/1992 | WO1992008994A1 Hand held electronic grading level |
| 05/27/1992 | EP0486955A2 Clearance measurement system, video measurement vehicle and improved method of performing clearance measurements |
| 05/27/1992 | CN2105669U Height measurer |
| 05/20/1992 | EP0486245A1 Laser surveying system having a function of marking reference points |
| 05/20/1992 | CN2105045U Level measuring rule |
| 05/19/1992 | US5113589 Football exact yard marker and method for use |
| 05/14/1992 | WO1992008105A1 Method and device for position measurement |
| 05/12/1992 | US5112126 Apparatuses and methods for making geophysical measurements useful in determining the deflection of the vertical |
| 05/06/1992 | EP0483383A1 Method of tridimensional measuring, reference scale and self-illuminating reference scale for tridimensional measuring |
| 05/06/1992 | EP0293375B1 Cartographic device |
| 05/05/1992 | US5110202 Spatial positioning and measurement system |
| 04/29/1992 | EP0483103A1 Mounting fixture and console for holding geodetic measuring instruments |
| 04/29/1992 | CN2103120U Practical column ruler |
| 04/28/1992 | US5108177 Two-axis levelling instrument with a single pendulum for projecting a level laser beam |
| 04/28/1992 | US5107938 Apparatus for detecting position of underground excavator |
| 04/26/1992 | WO1992008107A1 Apparatus for projecting artificial horizon viewable by peripheral vision |
| 04/24/1992 | WO1992007235A1 Plumb line for determining the vertical and horizontal |
| 04/24/1992 | CA2068724A1 Plumb device for determining verticals and horizontals |
| 04/23/1992 | WO1992007290A1 Automatic plumb and level tool |
| 04/23/1992 | CA2071968A1 Automatic plumb and level tool |
| 04/22/1992 | EP0481307A2 Surveying method utilizing global positioning system and surveying equipment used to perform this method |
| 04/22/1992 | EP0481278A1 Method and measuring device for locating points in space |
| 04/22/1992 | EP0481077A1 Device for measuring position of underground excavator |
| 04/15/1992 | CN1060333A Method for building deep level base-rock marker and level base-rock marker |
| 04/01/1992 | CN2100602U Mine level bar |
| 03/31/1992 | US5100229 Spatial positioning system |
| 03/19/1992 | WO1992004595A1 Device for the contactless determination of the position of soldering wires |
| 03/17/1992 | US5095629 Laser beam target |
| 03/11/1992 | EP0473682A1 Levelling bar. |
| 03/05/1992 | WO1992003703A1 A marker of the electromagnetic resonance type and a method of producing such markers |
| 03/03/1992 | CA1296811C2 Apparatus storing a representation of topological structures and methods of building and searching the representation |
| 02/26/1992 | EP0472396A1 Optical tool placement device |
| 02/26/1992 | EP0471858A1 System for detecting the position of an underground excavator |
| 02/26/1992 | EP0471847A1 Plumb indicator |
| 02/26/1992 | CN1059030A Rotary orient device of intersection survey system |
| 02/25/1992 | US5091869 Computer integrated floor plan system |
| 02/25/1992 | US5091627 Laser beam controller for surveying equipment |
| 02/25/1992 | US5090329 Reference system for track working machine |
| 02/23/1992 | CA2049638A1 Optical tool placement device |
| 02/20/1992 | WO1992002778A1 Procedure and device for the determination of coordinates |
| 02/20/1992 | DE4025119A1 Reflector for direct central measurement of angle and distance - has tiltable, displacement mirror for surveying |
| 02/19/1992 | CN2096734U Handle erecting two-use plumb surveying instrument |
| 02/18/1992 | WO1992003701A1 Spatial positioning system |
| 02/11/1992 | US5087125 Equipment for measuring a difference in elevation |
| 02/11/1992 | US5086568 Geological gyrocompass |
| 01/29/1992 | EP0468677A2 Three dimensional position sensing system and method |
| 01/29/1992 | EP0468050A1 Combined laser position detector, infrared emissivity target and tv emissivity target |
| 01/22/1992 | EP0466800A1 An arrangement for establishing or defining the position of a measuring point. |
| 01/22/1992 | CN2094035U Surveyor's staff |
| 01/16/1992 | DE4021488A1 Electrical arrangement assigning individual height measurement points - uses rotation laser with mast made up of cages with detectors on plates blackened on both sides, esp. for water depth measurement |
| 01/16/1992 | DE4013576A1 Measuring point marker for industrial goods - has light source inside sphere of transparent, dispersive material for optical sighting by instrument |
| 01/15/1992 | EP0465584A1 An arrangement for performing position determination. |
| 01/14/1992 | CA1294124C Assembly for plumb bob and line |
| 01/08/1992 | EP0465239A1 Laser positioner and marking method using the same |
| 01/08/1992 | EP0464363A2 Method and device for the controlling of a driving shield |
| 01/08/1992 | EP0174360B1 Spatial imaging system |
| 01/07/1992 | US5078473 Pyramid beam splitter |
| 01/07/1992 | US5077906 Surveying rod leveling device |
| 12/31/1991 | US5077557 Surveying instrument with receiver for satellite position-measuring system and method of operation |
| 12/31/1991 | US5076690 Computer aided positioning system and method |
| 12/31/1991 | US5075977 Automatic plumb and level tool |
| 12/27/1991 | EP0462945A1 Device for the spatial detection of objects or shapes, in particular for agronomical researches |
| 12/24/1991 | US5074509 Plumb bob support |
| 12/17/1991 | US5073819 Computer assisted video surveying and method thereof |
| 12/17/1991 | US5073005 Retro-reflective photogrammetric target |
| 11/28/1991 | WO1991018258A1 Method of tridimensional measuring, reference scale and self-illuminating reference scale for tridimensional measuring |
| 11/26/1991 | US5067245 Instant placement down rod |
| 11/21/1991 | EP0457548A2 Computer aided positioning system and method |