Patents for G01C 9 - Measuring inclination, e.g. by clinometers, by levels (8,378)
12/1988
12/07/1988CN88203776U Bricklayer and woodworker levelling thread plummet dual-purpose unit
12/06/1988US4788773 Apparatus for measuring lateral inclination of a roadway with error compensation
11/1988
11/30/1988EP0292875A2 Automatic device to indicate the horizontal position
11/23/1988EP0291900A1 Device for determining the inclination of a plane with respect to a theoretical horizontal plane
11/23/1988EP0291507A1 Electronic inclinometer.
11/22/1988CA1245288A1 Differential capacitance detector
11/17/1988EP0290452A1 Electronic inclinometer.
11/17/1988DE3744411A1 Kapazitiver neigungssensor Capacitive tilt sensor
11/15/1988US4784237 Apparatus for automatic release of passenger protection devices in the event of an accident
11/08/1988US4782597 Attachable level indicator
10/1988
10/25/1988US4779353 Tool for measuring inclination and rotation
10/20/1988WO1988008115A1 Spirit level
10/20/1988WO1988008054A1 Road paver-finisher with a combination of axles with steering wheels and crawler units
10/04/1988US4774767 Water level
09/1988
09/29/1988DE3707345A1 Method for measuring an angle
09/28/1988CN87214867U Level survey pentagonal len of laser vertical instrument
09/22/1988WO1988007174A1 Protractor with a circular and shaped bubble level
09/21/1988CN87215718U Level meter
09/14/1988EP0281933A2 Bubble level
09/14/1988EP0281924A2 Automatic compensator for compensating collimation error due to inclination in surveying instruments
09/07/1988WO1988006716A1 Inductive displacement sensors
09/01/1988DE3705859A1 Inclinometer for road construction machines
08/1988
08/31/1988EP0280110A1 Sensor with an integrated signal processor for one-to-three-dimensional positioning
08/25/1988WO1988006273A1 Electronic level
08/23/1988US4765061 Caddy for level vial
08/10/1988CN87215558U Automatic horizontal adjuster for truck crane
08/02/1988US4761708 Electrolytic switch having electrostatic shield
08/02/1988US4760649 Travel trailer level indicator
07/1988
07/28/1988WO1988005525A1 Range finding by diffraction
07/26/1988US4759134 Flexible level
07/20/1988CN87213787U Electronic measuring device for tilted angle of liquid pendulum
07/19/1988US4757615 Level vial retaining assembly and retainer therefor
07/19/1988CA1239282A1 Level with slotted magnet support
07/14/1988WO1988005045A1 Leukotriene b4 analogs
06/1988
06/30/1988WO1988004766A1 Device for indicating positional changes
06/30/1988WO1988004765A1 Device for indicating angular position
06/16/1988WO1988004405A1 Goniometer, in particular water level
06/01/1988EP0269026A2 Sensor-controlled levelling device
05/1988
05/31/1988US4747217 Pendulum style level
05/31/1988US4747216 Clinometer/accelerometer and method
05/26/1988DE3737738A1 Device for determining the floor position of vehicles
05/26/1988DE3639284A1 Sensor for determining the actual and apparent perpendicular direction
05/24/1988US4745689 Multifunctional measuring and layout tool
05/24/1988US4745687 Level indication device and method for providing a level indication of up to three degrees accuracy
05/24/1988CA1237181A1 Electronic level device
05/18/1988CN87201170U Universal level-metre
05/11/1988CN87204337U Level-meter
05/10/1988US4742673 Method of testing twister ring warp and apparatus therefor
05/05/1988DE3636420A1 High-precision angle measuring instrument
05/04/1988EP0265877A2 Tilt sensor
05/04/1988CN87204593U Perpendicularity detecting apparatus for building
04/1988
04/28/1988DE3636266A1 Device for measuring angles of inclination
04/26/1988US4739561 Door leveling device
04/21/1988DE3634244A1 Optoelectronic inclination sensor
04/12/1988US4736524 Framing T-square and protractor
03/1988
03/30/1988EP0261443A1 Vehicle with an inclinometer
03/30/1988EP0261152A1 Device for automatic release of passenger protection devices in the event of an accident.
03/29/1988US4733475 Extension level apparatus
03/24/1988WO1988002100A1 Optoelectronic theodolite sensor
03/23/1988CN87210507U Arc shaped levelling instrument
03/23/1988CN87208846U Photoelectric display level bar
03/16/1988EP0259513A1 Method for the precision measurement of caster and camber in motor vehicles
03/09/1988EP0258301A1 Levelling system and level detector
03/08/1988CA1233877A1 Borehole sensing tool with optical rotation sensor
02/1988
02/24/1988CN85102186B Electrolyte for the precision eletrochemical elements
02/16/1988CA1232753A1 Polycast level instruments with means for retaining level vials therein
02/10/1988CN85203037U Multi-purpose ruler
01/1988
01/27/1988EP0254188A2 Tilt sensor
01/26/1988US4720920 Level with electronic signals
01/21/1988DE3622064A1 Device for automatic optical azimuth aiming
01/14/1988WO1988000329A1 Electrical detector and utilizer of inclination data
01/05/1988USRE32570 Tilt detector
12/1987
12/29/1987US4716534 Microprocessor based level and angle finder
12/22/1987US4713890 Mislevel sensing device
12/17/1987WO1987007713A1 Angular measurement device
12/15/1987CA1230224A1 Illuminated spirit level
12/12/1987CN86209249U Slope angle measuring meter
12/10/1987DE3618808A1 Winkelmessgeraet Angle measuring
12/08/1987CA1229976A1 Electronic inclination sensing device
12/05/1987CN86209380U Universal set square
12/05/1987CN86207607U Self-adjustable mechanical drill-attached inclinometer
12/02/1987EP0247036A1 Universal apparatus for levelling, verticality and height measurement with direct display of measurements.
12/02/1987CN87204029U Self-controlling level unit
12/02/1987CN87100814A 倾斜测量装置 Tilt measurement device
11/1987
11/24/1987US4707927 Inclination and acceleration sensor utilizing electrostatic capacitive effects
11/11/1987EP0244581A1 Sensor for the automatic triggering of passenger security devices
10/1987
10/28/1987EP0243011A2 Electronic inclination gauge
10/27/1987US4703315 Level indicating device
10/20/1987US4700479 Cant angle sensor assembly
10/03/1987CN86209798U Gradient transducer
09/1987
09/30/1987EP0239030A1 Hand passage protection device for the grip aperture in a hollow profile
09/30/1987EP0238897A1 Bubble level
09/29/1987US4696111 Device for assessing inclination
09/24/1987WO1987005570A1 Device for automatic release of passenger protection devices in the event of an accident
09/24/1987WO1987005569A1 Sensor for the automatic release of passenger protection devices in vehicles
09/24/1987DE3609841A1 Sensor zum selbsttaetigen ausloesen von insassenschutzvorrichtungen in fahrzeugen Selbsttaetigen sensor for triggering occupant protection devices in vehicles
09/22/1987US4694584 Reduced volume digital inclinometer
09/22/1987CA1227030A1 Spirit level
09/17/1987DE3608537A1 Spirit level with illumination
09/09/1987EP0235708A2 Level
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