| Patents for G01C 1 - Measuring angles (3,035) |
|---|
| 04/03/1980 | WO1980000611A1 Theodolite |
| 04/02/1980 | EP0009071A1 Theodolite for tracking flying objects with a television camera built into the telescope |
| 11/06/1979 | US4173413 Navigation instrument |
| 10/30/1979 | US4172662 Eyepiece for measurement of lengths and angles by a microscope |
| 09/04/1979 | US4166699 Device for optic, preferably visual determination of a certain plane |
| 07/24/1979 | US4162124 Passive optical rangefinder-sextant |
| 07/03/1979 | US4159576 Radiation shadow indicator |
| 04/18/1979 | EP0001493A1 Apparatus and method for temperature detecting and use for solar collectors |
| 04/03/1979 | CA1051847A1 Portable navigational instrument |
| 03/27/1979 | US4146927 Electronic surveying system |
| 03/27/1979 | US4146784 Sun tracking device |
| 03/06/1979 | US4143268 Arrangement for measuring angles |
| 02/13/1979 | US4138826 Device for locating celestial bodies |
| 01/30/1979 | US4136955 Apparatus for correcting theodolites |
| 12/26/1978 | US4131366 Direction indicating device |
| 09/12/1978 | US4113381 Surveying instrument and method |
| 08/22/1978 | US4108539 Reflecting lens system |
| 08/22/1978 | US4108019 Solar tracking device |
| 06/06/1978 | US4093383 Angle measuring device with a telescope |
| 04/18/1978 | US4084327 Theodolite adjusting means |
| 04/11/1978 | US4083636 Navigational instrument |
| 04/04/1978 | US4082462 Automatic space sextant |
| 11/15/1977 | US4057906 Navigational instruments |
| 03/15/1977 | US4011854 Mount for continuously orienting a collector dish in a system adapted to perform both diurnal and seasonal solar tracking |
| 02/01/1977 | US4005938 Horizon indicating device for marine sextant |
| 10/12/1976 | US3985446 Remote controlled, CRT digital display, LLLTV camera-sextant |
| 07/13/1976 | US3968570 Electronic sextant |
| 06/01/1976 | US3959888 Precise indexing detent |
| 05/25/1976 | US3958885 Optical surveying apparatus, such as transit, with artificial light scale illuminating system |
| 04/06/1976 | US3947973 Navigation teaching aid |
| 03/30/1976 | US3946493 Drill sight for an electric hand drill |
| 03/02/1976 | US3941345 Radial arm guidance platform tracker |
| 02/10/1976 | US3936947 Rotating arm aiming device system |
| 01/13/1976 | US3931947 Adjustable base, notably for topometry apparatus |
| 01/06/1976 | US3930694 Bearing for a vertical axle |