| Patents for G01C 7 - Tracing profiles (940) |
|---|
| 03/26/1991 | CA1282145C Non-contact sensor with particular utility for measurement of roadprofile |
| 01/15/1991 | US4985847 For a vehicle |
| 12/13/1990 | DE3925133C1 Measuring and representing land contours esp. roads to scale - rolling sphere mounted in ball-bearing of measuring wagon along path to supply computer mouse with data |
| 10/23/1990 | CA1275490C Method and apparatus for determining the profile of a subterranean passage |
| 10/17/1990 | EP0392163A2 System for geological defect detection utilizing composite video-infrared thermography |
| 10/03/1990 | EP0389501A1 Process for determining the condition of a road. |
| 09/18/1990 | US4958306 Pavement inspection apparatus |
| 07/26/1990 | WO1990008397A1 Microminiature cantilever stylus |
| 07/26/1990 | DE3902127A1 Wagon drill with laser-orientated control |
| 07/24/1990 | US4943719 Microminiature cantilever stylus |
| 07/05/1990 | DE3900030A1 Light-emitting diode forming a measuring point |
| 06/28/1990 | WO1990007142A1 Apparatus for continuously photographing road surface |
| 06/05/1990 | US4930595 Method and apparatus for determining the profile of a subterranean passage |
| 05/31/1990 | DE3839963A1 Displacement/angle sensor |
| 05/08/1990 | US4922752 Flatness integrating/recording apparatus |
| 05/01/1990 | US4922254 Topographic mapping |
| 03/20/1990 | US4910593 System for geological defect detection utilizing composite video-infrared thermography |
| 02/27/1990 | US4904081 Surveying apparatus |
| 01/30/1990 | US4896964 The use of laser rays |
| 12/19/1989 | US4888720 Tunnel measuring apparatus and method |
| 11/16/1989 | WO1989011001A1 Measurement of road roughness |
| 10/10/1989 | US4873449 Process and apparatus for three-dimensional surveying |
| 08/29/1989 | US4861157 Apparatus for continuously photographing road surface |
| 08/22/1989 | US4858329 A surveying and mapping apparatus for indicating the level differences of the ground travelled in relation to the distance travelled |
| 08/02/1989 | EP0205479B1 Method for detecting curve and straight sections with hollow space surfaces |
| 06/20/1989 | CA1255895A1 Vehicle for evaluating properties of road surfaces |
| 06/14/1989 | EP0320461A2 Tunnel measuring method and apparatus |
| 05/18/1989 | WO1989004498A1 Process and device for determining the condition of a road |
| 05/03/1989 | CN2037062U Optical profile testing instrument |
| 04/13/1989 | DE3733553A1 Apparatus for controlling a shield driving machine |
| 02/21/1989 | US4806017 Apparatus for the contactless measurement of geometrical dimensions |
| 01/17/1989 | CA1248937A1 Rock drill with tunnel profile control system |
| 01/11/1989 | EP0136300B1 Position measuring method and apparatus |
| 11/22/1988 | US4786815 Non-contact sensor with particular utility for measurement of road profile |
| 11/22/1988 | US4786178 Apparatus and method for detecting the position and orientation of a reference beam of light |
| 10/19/1988 | EP0286806A2 Method for topographic cartography |
| 10/11/1988 | CA1242877A1 Device for determining the profile of the charging surface of a shaft furnace |
| 08/24/1988 | EP0279730A1 Method and device for tridimensional measurement |
| 08/17/1988 | EP0278269A2 Non-contact sensor with particular utility for measurement of road profile |
| 08/10/1988 | EP0277492A1 Visual sensor system |
| 07/20/1988 | EP0274632A1 Method and apparatus for measurement of road profile |
| 06/07/1988 | US4748748 Method and apparatus for measuring height variations on a floor surface |
| 05/11/1988 | DE3637160A1 Method and measuring device for height surveillance of bottom and crest contours in filled-up flow cross-sections |
| 05/03/1988 | US4741207 Method and system for measurement of road profile |
| 04/20/1988 | EP0264248A2 Method and apparatus for determining the profile of a subterranean passage |
| 01/13/1988 | CN87204979U Seperatable laser direction finder |
| 12/15/1987 | US4712624 Rock drill with tunnel profile control system |
| 12/02/1987 | CN87200475U Manual survey and drawing instrument for rail cross section |
| 10/14/1987 | EP0240893A2 Device for the contactless measuring of geometric sizes |
| 10/13/1987 | US4700223 Vehicle for evaluating properties of road surfaces |
| 09/09/1987 | CN87101789A Portable laser measuring instrument for tunneling cross-section |
| 09/01/1987 | US4689892 For using an inclinometer mounted on a vehicle |
| 08/25/1987 | US4688937 Methods of, and systems, for monitoring and/or controlling mobile cutting means |
| 08/11/1987 | US4685806 Laser plane apparatus for measuring characteristics of traffic-bearing surfaces |
| 06/23/1987 | US4674327 Grade and cross fall reference device for highway survey vehicles |
| 05/19/1987 | US4666300 For determining the position of an unknown fixed underground location |
| 05/13/1987 | EP0221884A1 Device for determining the change of direction of a cutting machine |
| 04/14/1987 | US4656743 Arrangement for determining the position of a hollow section system which is pressed forward |
| 04/01/1987 | EP0215948A1 Vehicle for evaluating properties of road surfaces |
| 03/31/1987 | US4653316 Apparatus mounted on vehicles for detecting road surface conditions |
| 02/17/1987 | US4643567 Device for controlling the position of a tunnelling machine |
| 02/03/1987 | CA1217473A1 Method of and arrangement for positioning of a drilling apparatus |
| 01/21/1987 | EP0208885A2 Method for displaying reference points in space with a laser |
| 12/30/1986 | EP0205479A1 Method for detecting curve and straight sections with hollow space surfaces. |
| 11/25/1986 | CA1214555A1 Position measuring method and apparatus |
| 08/06/1986 | EP0189621A1 Rail-borne apparatus for measuring and recording the parameters of the roadway track or of the carrier vehicle, the position of trolley wires and the roadway clearance, and for correcting the position of the track |
| 06/24/1986 | US4597063 Semiconductor memory addressing circuit |
| 06/05/1986 | WO1986003288A1 Method for detecting curve and straight sections with hollow space surfaces |
| 05/06/1986 | US4586571 Method of and arrangement for positioning of a drilling apparatus |
| 04/29/1986 | US4586138 Vehicle data acquisition system |
| 03/11/1986 | US4574494 Device for determining the profile of the charging surface of a shaft furnace |
| 02/05/1986 | EP0169881A1 A method and an apparatus for the measurement of the volume of rock chambers |
| 01/07/1986 | CA1199113A1 Surveying of a borehole |
| 12/19/1985 | WO1985005675A1 Vehicle for evaluating properties of road surfaces |
| 11/26/1985 | US4554742 Dimensional checking tool |
| 08/15/1985 | WO1985003567A1 A method and an apparatus for the measurement of the volume of rock chambers |
| 07/31/1985 | EP0149690A1 Method of locating points in space |
| 05/15/1985 | EP0141115A2 Device for determining the surface profile of a shaft furnace charge |
| 04/30/1985 | US4513504 Method for determining the position of a pressed-ahead hollow-section line, and apparatus for implementing the method |
| 04/10/1985 | EP0136300A1 Position measuring method and apparatus. |
| 04/03/1985 | EP0135610A1 Method of measuring points in space |
| 04/02/1985 | US4507958 Surveying of a borehole for position determination |
| 03/27/1985 | EP0134837A1 Method and system for measurement of road profile |
| 02/05/1985 | CA1181944A1 Non-contact sensor, system and method with particular utility for measurement of road profile |
| 01/02/1985 | EP0130174A2 System to control the position of a galleries driving machines |
| 01/01/1985 | US4490919 Leveling arrangement for measuring terrain points |
| 10/17/1984 | EP0122081A2 Semiconductor memory device |
| 09/18/1984 | US4471530 Apparatus and method of measuring surface heights |
| 09/04/1984 | US4469418 Surveying method and apparatus |
| 08/16/1984 | WO1984003121A1 Position measuring method and apparatus |
| 08/07/1984 | US4463986 Illumination device and method of use in tunnel alignment |
| 06/26/1984 | US4456829 Non-contact sensor, system and method with particular utility for measurement of road profile |
| 12/27/1983 | US4422322 Method and system for measurement of road profile |
| 11/01/1983 | US4412700 System for monitoring the movement of a cutting tool of a tunnel-driving machine relative to a desired profile |
| 10/18/1983 | US4409823 Apparatus for measuring and recording deflections |
| 08/02/1983 | CA1151269A1 Device for controlling the position of a dividing cutting |
| 07/12/1983 | US4392744 Method of and apparatus for determining angular and transversal displacements of shield machine and succeeding pipe |
| 05/11/1983 | EP0078411A2 Non-contact sensor with particular utility for measurement of road profile |
| 05/04/1983 | EP0078179A1 Method of and apparatus for photographic tunnel sectioning |
| 01/04/1983 | US4367021 Method and apparatus in tunneling |