| Patents for G01C 15 - Surveying instruments or accessories not provided for in groups (9,775) |
|---|
| 05/23/1989 | US4832296 Giant tripod assembly for supporting and controlling long-range laser beam generators |
| 05/16/1989 | US4830489 Three dimensional laser beam survey system |
| 05/16/1989 | EP0295249A4 Stepping staff. |
| 04/11/1989 | US4820041 Position sensing system for surveying and grading |
| 04/06/1989 | WO1989003049A1 Position meter using laser beam |
| 04/05/1989 | CN2035459U Protection cover for measuring mark |
| 04/04/1989 | US4818107 System for measuring the position of a moving body |
| 03/28/1989 | CA1251768A1 Multiple reference laser beam apparatus |
| 03/14/1989 | US4812812 Apparatus and method for determining the position and orientation of a remote object |
| 03/14/1989 | US4812639 Self-aligning phase conjugate laser |
| 03/07/1989 | US4811030 Marker for subterranean marking and a novel application for such a marker |
| 02/28/1989 | US4809005 Determining ship towed sensor position information |
| 02/28/1989 | US4807966 Sighting apparatus |
| 02/28/1989 | CA1250645A1 Apparatus for measuring the position of a luminous object |
| 02/22/1989 | CN2033117U Directional blink tower ruler |
| 02/21/1989 | US4806869 An above-ground arrangement for and method of locating a discrete in ground boring device |
| 02/15/1989 | CN2032704U Digital coodinatograph |
| 02/14/1989 | US4803784 Portable stand for a surveyor's rod |
| 02/01/1989 | EP0301682A2 Pendulous compensator vibratory motion damping system |
| 01/31/1989 | US4801791 Pendulous compensator vibratory motion damping system |
| 01/26/1989 | WO1989000676A1 Laser leveller with adjustable levelling plane |
| 01/25/1989 | EP0300934A1 Laser beam projector and distance measuring device with at least two of these projectors |
| 01/18/1989 | CN2031085U Universal tower scale |
| 01/11/1989 | EP0136300B1 Position measuring method and apparatus |
| 01/04/1989 | EP0297601A2 Self leveling transmitter for laser alignment systems |
| 12/29/1988 | WO1988010407A1 Optical instrument |
| 12/21/1988 | EP0295249A1 Stepping staff |
| 12/07/1988 | EP0293375A1 Cartographic device. |
| 12/07/1988 | CN88203776U Bricklayer and woodworker levelling thread plummet dual-purpose unit |
| 12/01/1988 | WO1988009480A1 Process and device for compensating for the influence of turbulences in measurements |
| 12/01/1988 | DE3730093A1 Verfahren und vorrichtung zur kompensation von turbulenzeinfluessen im vermessungswesen Method and device for compensation of turbulenzeinfluessen in surveying |
| 11/30/1988 | EP0174359B1 A system for measurement of direction related volumes |
| 11/29/1988 | US4788441 Range finder wherein distance between target and source is determined by measuring scan time across a retroreflective target |
| 11/22/1988 | US4786178 Apparatus and method for detecting the position and orientation of a reference beam of light |
| 11/17/1988 | EP0291132A1 Auxiliary tool for carefully levelling finishing floors |
| 11/09/1988 | EP0290140A2 Equipment for measuring differences in elevation |
| 11/01/1988 | US4781457 Laser surveying equipment |
| 11/01/1988 | US4781454 Optical telemetry system incorporating a collimator |
| 10/26/1988 | CN87215010U Wheel type digital level distance and altitude difference measuring and recording instrument |
| 10/11/1988 | US4776672 Multi-paned polygonal lighthouse assembly with improved corner configuration |
| 09/21/1988 | EP0283184A1 Fastener assembly for a roof membrane |
| 09/14/1988 | EP0281924A2 Automatic compensator for compensating collimation error due to inclination in surveying instruments |
| 09/13/1988 | US4770480 Apparatus and method for providing multiple reference laser beams |
| 09/07/1988 | EP0281518A2 Geodetic instrument |
| 09/06/1988 | US4769546 Determining the point of incidence of a light particle beam on sensor ray |
| 09/06/1988 | CA1241536A1 Anti-twist rod section and method of using the same in survey monument placement |
| 08/30/1988 | US4767208 Self leveling transmitter for laser alignment systems |
| 08/24/1988 | EP0279730A1 Method and device for tridimensional measurement |
| 08/24/1988 | EP0090021B1 A marker for subterrenean marking and a novel application for such a marker |
| 08/23/1988 | US4765742 Optical monitoring method and apparatus |
| 08/17/1988 | EP0278825A1 Method and means for aligning equipment in an air craft |
| 08/17/1988 | CN87212797U Extension-type surveyor's pole made of glass fibre reinforced plastics |
| 08/16/1988 | US4764668 System for locating an object provided with at least one passive target pattern |
| 08/10/1988 | EP0277492A1 Visual sensor system |
| 08/04/1988 | DE3701516A1 Sighting device for establishing a straight bearing line for the longitudinal ground surface profile on relatively short distances to be measured, in earthworks, particularly excavation works for ducts for water, gas or power lines or similar |
| 08/04/1988 | DE3701514A1 Sighting board set for establishing a straight bearing line of the longitudinal ground surface profile and for checking deviations between the projected bearing line and the ground surface to be worked in ground works, particularly in excavation works for ducts for water, gas or power lines or similar |
| 07/27/1988 | EP0275511A1 A process and device for measuring and processing the displacements between two or more points in structures, buildings, machinery or the like |
| 07/14/1988 | DE3739664A1 Length measuring method |
| 07/12/1988 | US4756617 Laser alignment system with modulated field |
| 07/12/1988 | CA1239025A1 Method and equipment for automatic guidance of earthmoving machines and especially machines for laying drainage elements |
| 07/05/1988 | US4754553 One-man field survey instrument |
| 06/29/1988 | EP0272360A1 Land marks |
| 06/21/1988 | US4752539 Receiver for laser transmitter for surveying |
| 06/21/1988 | US4751782 Laser beam levelling instruments |
| 06/21/1988 | CA1238401A1 Control system for a continuous cell target readout in a laser measurement system |
| 06/08/1988 | CN87205003U Distance gauge free from direct measuring |
| 06/08/1988 | CN86104120A Distance measuring instrument |
| 06/01/1988 | EP0269283A1 Position sensing apparatus |
| 06/01/1988 | EP0269026A2 Sensor-controlled levelling device |
| 05/25/1988 | CN87204592U Building leveller |
| 05/18/1988 | CN87209208U Multipurpose detecting ruler for depth of parallelism |
| 05/11/1988 | EP0267181A1 Device for determining the position of a mining machine |
| 05/10/1988 | US4743903 Peripheral vision artificial horizon device and associated methods |
| 04/27/1988 | EP0264915A1 Anchoring rod for boundary posts or other applications |
| 04/27/1988 | CN87203828U Spring device for adjusting levelling of geodetic surveying instrument in vertical position |
| 04/19/1988 | US4738532 Method of calibrating an optical measuring system |
| 04/19/1988 | US4738060 Permanent marker for utilities |
| 04/06/1988 | EP0262764A1 Elevation indication system for a large earthworking implement |
| 03/22/1988 | US4732472 Methods of, and systems for, determining the position of an object |
| 03/22/1988 | US4732471 Laser alignment system with modulated field |
| 03/16/1988 | EP0091922B1 Latch |
| 03/15/1988 | US4730920 Optoelectronic stadia |
| 03/03/1988 | DE3627557A1 Arrangement for measuring and determining the lateral height and position of a point with respect to a prescribed reference point |
| 03/02/1988 | EP0257525A2 Three dimensional laser beam survey system |
| 02/25/1988 | DE3628350A1 Tachymetry arrangement |
| 02/23/1988 | US4727374 Aerial surveying system |
| 02/23/1988 | US4726682 Depth measuring apparatus for a dredger |
| 02/23/1988 | US4726164 Fastener assembly for a roof membrane |
| 02/18/1988 | DE3718189A1 Inertial navigation system, preferably for surveying purposes |
| 01/28/1988 | DE3625045A1 Target point signal for geodetic measurements |
| 01/20/1988 | EP0253017A2 System and method of surveying |
| 01/12/1988 | US4718171 Levelling system with rotating laser beam |
| 01/05/1988 | US4717251 Elevation measurement in high order surveying |
| 12/29/1987 | US4715714 Measuring device for determining relative position between two items |
| 12/08/1987 | US4712094 Self-orienting passive marker structure |
| 12/05/1987 | CN86209309U Double-purpose stratum displacement measuring apparatus with automatic temp. compensation |
| 12/03/1987 | WO1987007368A1 Apparatus for measuring position of moving body |
| 12/02/1987 | EP0247854A2 Passive marker structure |
| 11/25/1987 | EP0246886A1 Method of and apparatus for locating a discrete inground boring device |
| 11/24/1987 | CA1229675A1 Device for determining the position of the cutting head of a drift advancing machine or of a winning machine |