| Patents for G01C 9 - Measuring inclination, e.g. by clinometers, by levels (8,378) |
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| 09/04/1984 | US4468864 Tilt meter |
| 08/29/1984 | EP0117226A2 Apparatus for measuring deviations from the vertical and its use |
| 08/28/1984 | US4467527 Digital head-out level |
| 08/21/1984 | US4466197 Device for measuring or detecting the degree of inclination of an object |
| 08/07/1984 | US4463501 Level construction and methods of constructing a level |
| 07/31/1984 | US4462167 Angle/level meter |
| 07/19/1984 | WO1984002773A1 Slope indicating device |
| 07/17/1984 | US4459759 Angular rate and position transducer for borehole survey instrument |
| 06/05/1984 | US4451991 Vertical indicating method and device |
| 05/22/1984 | US4450353 Tilt detector with pyramidal surface |
| 05/08/1984 | US4446628 Device for determining angle of inclination of ship |
| 05/08/1984 | CA1166844A1 Borehole survey apparatus utilizing accelerometers and probe joint measurements |
| 05/08/1984 | CA1166843A1 Borehole survey apparatus and method |
| 04/24/1984 | CA1166001A1 Inclinometer |
| 04/04/1984 | EP0104379A1 Apparatus for remotely indicating angular position |
| 03/27/1984 | US4438720 Tilt detector |
| 03/13/1984 | US4435908 Offset, extendable, quick-release plumbness indicating apparatus |
| 03/13/1984 | US4435907 Machine body inclination detector device |
| 03/06/1984 | US4434654 Borehole orientation detection system employing polarized radiation |
| 03/06/1984 | US4434561 Level indicator |
| 02/21/1984 | US4432146 Integrated drill leveling apparatus |
| 02/14/1984 | US4430803 Circuit for levitated ball inclinometer |
| 02/07/1984 | US4429470 Inclinometer |
| 02/01/1984 | EP0099385A1 Apparatus for measuring the gradient or inclination of a surface or of a line. |
| 01/31/1984 | US4428125 Inclination indicating apparatus |
| 01/31/1984 | US4428123 Instrument mounting |
| 01/24/1984 | US4427179 For leveling a vehicle by elevating a wheel |
| 01/24/1984 | US4426788 Inclinometers |
| 01/18/1984 | EP0098278A1 Apparatus for measuring the deflection angle with respect to the vertical |
| 12/27/1983 | US4422683 Level detector and its application to a grabbing apparatus for containers or the like |
| 12/27/1983 | US4422243 Dual axis capacitive inclination sensor |
| 12/13/1983 | US4419833 Composite level construction |
| 11/15/1983 | CA1156828A1 Device for the dynamic measurement of inclinations |
| 10/25/1983 | CA1155653A1 Device for measuring or detecting the degree of inclination of an object |
| 10/04/1983 | US4407075 Illuminated spirit vial and level |
| 09/07/1983 | EP0087768A2 Inclinometers |
| 09/06/1983 | US4402141 Leveling mechanisms for hand-held power drill |
| 08/30/1983 | US4400889 Quick-clamp gauge for monitoring pipe bending |
| 08/23/1983 | US4399692 Borehole survey apparatus utilizing accelerometers and probe joint measurements |
| 08/17/1983 | EP0085924A2 Measuring apparatus, in particular for measuring transversal and longitudinal inclinations of a road surface |
| 08/09/1983 | US4397098 Method and apparatus for zeroing a tilt meter mechanism |
| 08/04/1983 | WO1983002662A1 Apparatus for measuring the gradient or inclination of a surface or of a line |
| 08/02/1983 | US4395829 Plumb measuring device |
| 07/26/1983 | US4394799 Conduit bending plane indicator |
| 07/26/1983 | US4394798 Wheel alignment measuring apparatus |
| 07/21/1983 | WO1983002498A1 Apparatus for measuring the deflection angle with respect to the vertical |
| 07/19/1983 | US4393599 Leveling mechanisms for hand-held power drill |
| 07/05/1983 | US4392184 Illuminating method and apparatus for carpenter's or mechanic's levels |
| 06/28/1983 | US4389792 Drill core inclinometer |
| 05/24/1983 | USRE31248 Electro-mechanical transducer |
| 05/17/1983 | US4383374 Device to determine hair cutting angle |
| 04/14/1983 | WO1983001304A1 Electronic levelling cell |
| 03/29/1983 | US4377912 Apparatus for sensing and/or measuring changes in inclinations |
| 03/16/1983 | EP0074289A1 Joy-stick for electronic games |
| 03/08/1983 | US4375727 Cant angle sensor assembly |
| 02/01/1983 | US4370813 Automatic self-leveling instrument mount |
| 01/26/1983 | EP0070476A1 Spirit level |
| 01/04/1983 | CA1138635A2 Intensified bubble image level indicating system |
| 12/28/1982 | US4365421 Motion and orientation sensor |
| 12/21/1982 | US4364175 Grade Liner |
| 11/16/1982 | US4359717 Position-sensitive alarm system |
| 11/02/1982 | US4356726 Apparatus for detecting grade of vehicle from atmospheric pressure difference |
| 11/02/1982 | US4356638 Lift truck digital inclinometer |
| 10/12/1982 | US4353168 Instrument for measuring linear magnitudes |
| 10/12/1982 | CA1133275A1 Electro-mechanical transducers |
| 09/14/1982 | US4349809 Offroad vehicle inclinometer and alarm |
| 09/07/1982 | CA1131053A1 Low cost self aligning strapdown attitude and heading reference system |
| 08/31/1982 | US4347088 Method of manufacture |
| 08/17/1982 | US4344235 Levitated ball inclinometer |
| 08/10/1982 | US4344004 Dual function transducer utilizing displacement currents |
| 08/10/1982 | US4343093 Plumb tool |
| 08/10/1982 | US4343090 Suspension device for angle indicator |
| 08/10/1982 | CA1129191A1 Top viewable vial level |
| 07/20/1982 | CA1127833A1 Wide angle inclinometer |
| 07/06/1982 | CA1126945A1 Angle indicator for indicating two mutually perpendicular directions |
| 06/29/1982 | US4336659 Angle indicator for indicating two mutually perpendicular directions |
| 06/22/1982 | US4335524 Spirit level |
| 06/22/1982 | US4335523 Tool for adjustably aligning pipe flanges and structural members |
| 06/15/1982 | CA1125497A1 Intensified bubble image level indicating system |
| 06/01/1982 | US4332090 Directional two axis optical inclinometer |
| 06/01/1982 | US4332046 Combined hammer and level |
| 05/11/1982 | US4328938 Roll reference sensor |
| 05/04/1982 | US4327590 Method and apparatus for determining shifts at terrain and in structures |
| 05/04/1982 | US4327501 Square adapter for level |
| 04/29/1982 | WO1982001413A1 Clinometer with communicating tubes |
| 04/29/1982 | WO1982001412A1 Lift truck digital inclinometer |
| 04/13/1982 | US4325066 Overwater radar navigation system |
| 03/23/1982 | US4320581 Leveling |
| 03/16/1982 | US4319405 Leveling instrument |
| 03/03/1982 | EP0046647A2 Digital measuring device |
| 03/02/1982 | US4317289 Pivoted two-section carpenter's level |
| 02/09/1982 | CA1117786A1 Angular accelerometer stabilized pendulum |
| 01/26/1982 | US4312131 Accurate level sensor |
| 12/29/1981 | US4307517 Lady's garment measuring device |
| 12/29/1981 | US4307516 Directional two-axis differential optical inclinometer |
| 12/16/1981 | EP0041901A1 Gripping device for containers or similar objects comprising level detectors |
| 12/01/1981 | CA1113241A1 Device for indicating a horizontal direction and one or more angle sectors about said direction |
| 11/24/1981 | CA1112860A1 Theodolite leveling means |
| 11/17/1981 | CA1112559A1 Casing assembly probes |
| 11/10/1981 | US4299035 Spirit level |