| Patents for G01C 7 - Tracing profiles (940) |
|---|
| 01/04/1983 | CA1138636A1 Mobile apparatus and method for measuring the profile of a railroad tunnel |
| 12/28/1982 | CA1138190A1 Distance compensating deflected light beam pattern projector |
| 10/19/1982 | CA1133706A1 Pipe jacking apparatus |
| 08/24/1982 | US4345839 Device for controlling the position of a drift advancing machine |
| 07/13/1982 | US4339664 Method and apparatus for registration of topography |
| 05/11/1982 | US4328622 Apparatus for measuring the evenness of a road surface |
| 01/19/1982 | US4311411 Pipe jacking apparatus |
| 06/16/1981 | US4273468 Tunnelling shields and like moveable apparatus |
| 04/07/1981 | CA1098691A1 Single beam reference system for railway surveying |
| 01/07/1981 | EP0022082A1 Apparatus for measuring and recording deflections |
| 12/09/1980 | US4238828 Position detecting apparatus |
| 10/14/1980 | US4227401 Surface elevation measuring apparatus |
| 10/01/1980 | EP0016297A1 Device for controlling the position of a tunnel boring machine |
| 05/15/1980 | WO1980001003A1 Method and apparatus in tunnelling |
| 05/06/1980 | CA1077158A1 Apparatus for measuring the profile of a railroad tunnel |
| 04/30/1980 | EP0010498A1 Process and device to estimate the deformation of a roadway under the action of a load |
| 04/22/1980 | CA1075931A1 Infra-red profilometer |
| 03/18/1980 | CA1073993A1 Automatic envelope measuring system |
| 01/22/1980 | US4184266 Single beam reference system for railway surveying |
| 12/25/1979 | US4180322 Interior measurement of enclosed spaces |
| 12/25/1979 | US4179919 Terrain contour tracking system |
| 12/18/1979 | US4179216 Apparatus for measuring the profile of a railroad tunnel |
| 07/17/1979 | US4161715 Method and apparatus for measuring the interior dimensions of a hollow body |
| 06/19/1979 | US4158258 Elevation sampling terrain probe |
| 03/06/1979 | US4142763 Attitude control means of tunnel boring machine shield |
| 02/06/1979 | US4137638 Electromechanical survey vehicle and method |
| 01/23/1979 | US4135304 Profile indicating system for roadways |
| 09/05/1978 | US4111486 Method and system for performing attitude control of tunnel excavating shield |
| 08/29/1978 | US4110617 Infra-red profilometer |
| 04/18/1978 | CA1029545A1 Device for the determination of a surface profile |
| 12/13/1977 | US4063283 Automatic envelope measuring system |
| 10/04/1977 | US4052712 Apparatus for photographing road ruts |
| 08/02/1977 | US4039825 Position indicating system |
| 07/05/1977 | US4033626 Method and apparatus for controlling a tunneling machine |
| 06/07/1977 | US4027397 Mobile track surveying apparatus |
| 05/31/1977 | US4027210 Method and control system to limit shifting movement of a winning tool for a tunneling machine |
| 10/05/1976 | US3983746 Road roughness meter |
| 06/29/1976 | US3967114 Device for determining the profile of a surface |
| 06/22/1976 | US3964171 Device for steplessly detecting the ovalizations and the projections on two orthogonal planes of the curved geometrical configuration of a submerged pipeline |
| 04/13/1976 | US3950096 Device for the automatic measurement of tunnel sections |