| Patents for G01B 21 - Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the other groups of this subclass (25,042) |
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| 05/15/1991 | CN2077115U Automobile steering wheel free path survey instrument |
| 05/15/1991 | CN2077114U Inside wall shape determination instrument |
| 05/14/1991 | US5016199 Co-ordinate measuring |
| 05/14/1991 | US5015850 Microfabricated microscope assembly |
| 05/14/1991 | US5014444 Probing device for a coordinate measuring apparatus |
| 05/14/1991 | US5014439 Quality assurance apparatus for dimensionally inspecting elongated components |
| 05/14/1991 | CA1284192C Programmable fluid detector |
| 05/08/1991 | EP0426492A2 Metrology |
| 05/08/1991 | EP0426095A2 Coordinate measuring machine |
| 05/08/1991 | EP0426070A2 Apparatus for measuring groove positions of a workpiece |
| 05/08/1991 | EP0236414B1 Tool change apparatus |
| 05/02/1991 | EP0302096B1 A method and apparatus for determining the length of a flexible web or string material |
| 05/01/1991 | CN2076229U Multifunction clamp for sample holder |
| 05/01/1991 | CN2076228U Radial deviation indicator |
| 05/01/1991 | CA2025380A1 Method and system for performing wall thickness measurements |
| 04/30/1991 | US5012523 Dimension checking method |
| 04/30/1991 | US5011459 Wheel suspension for a wheel driven by an endless transmission |
| 04/30/1991 | US5011297 Apparatus for detecting the temperature of an object on a coordinate measuring apparatus |
| 04/30/1991 | CA1283734C Method and system for measurement of road profile |
| 04/30/1991 | CA1283733C Direct access storage unit |
| 04/25/1991 | DE4027921A1 High speed three=dimensional precision measurement arrangement - uses CNC controllers for drive motors of three axes contg. servo-pneumatic pressure drive modules |
| 04/24/1991 | EP0424227A1 Vehicle wheel geometry control device |
| 04/24/1991 | EP0424207A1 Contour reading apparatus, especially for frame of eyeglasses |
| 04/24/1991 | EP0423209A1 Probes. |
| 04/24/1991 | EP0423118A1 Wheel suspension for a wheel driven by an endless transmission |
| 04/17/1991 | EP0422545A2 Sheet thickness measuring apparatus |
| 04/17/1991 | EP0422530A2 Feeler-head for coordinate-measuring machines |
| 04/17/1991 | EP0422182A1 A device for measuring the length of a contact surface. |
| 04/17/1991 | EP0195055B1 Railhead profile measuring apparatus |
| 04/16/1991 | US5008823 Method and apparatus for determining failure of vehicle steering sensing device |
| 04/16/1991 | US5008665 Measuring device having transmitter |
| 04/16/1991 | US5007601 Water depth measuring device for a fishing reel |
| 04/10/1991 | EP0421828A1 Method for continuously determining the thickness of the liquid slag on the surface of a fusion bath in a metallurgical vessel |
| 04/10/1991 | EP0421355A2 Scanning tunneling microscope |
| 04/10/1991 | EP0421151A1 Coupling-device having a coupling sensor system |
| 04/10/1991 | EP0421064A1 Electronic linear dimension measuring gauge |
| 04/09/1991 | US5007006 Method of and apparatus for calibration of machines |
| 04/09/1991 | US5005978 Apparatus and method for the noncontact measurement of drill diameter, runout, and tip position |
| 04/09/1991 | US5005404 System for determining axial displacement of a rod, particularly the plunger of an electromagnetic fuel injector |
| 04/09/1991 | US5005297 Probe head of the switching type |
| 04/07/1991 | WO1991005219A1 System for measuring the relaxed length of a moving web |
| 04/07/1991 | CA2042045A1 System for measuring the relaxed length of a moving web |
| 04/04/1991 | DE3931764A1 Null point setter for three=dimensional coordinate measurer - uses centre of elliptical intersection surface of cylinder and longitudinal axis |
| 04/03/1991 | EP0420416A2 Method and apparatus of datuming a coordinate positioning machine |
| 04/02/1991 | US5004982 Scales for position determining apparatus having marks of different amplitudes thereon |
| 04/02/1991 | US5004915 Steering angle sensor apparatus |
| 04/02/1991 | US5003815 Spectroscopic apparatus |
| 04/02/1991 | US5003805 Method and system for monitoring shot peening |
| 04/02/1991 | CA1282259C Extensometer |
| 03/26/1991 | US5001842 Error determination for multi-axis apparatus due to thermal distortion |
| 03/21/1991 | WO1991003706A1 Test specimens composed of rod segments for co-ordinate measuring instruments |
| 03/20/1991 | EP0418203A1 Vertical/horizontal measuring apparatus and method for operation of same |
| 03/20/1991 | EP0303676B1 Scales for position determining apparatus |
| 03/19/1991 | US5001356 Sheet thickness measuring apparatus |
| 03/14/1991 | CA2025153A1 Process for continuously determining the thickness of the liquid slag on the surface of a bath of molten metal in a metallurgical container |
| 03/13/1991 | EP0416524A1 Device for the change of calipers for measuring devices |
| 03/13/1991 | EP0416391A2 Device for measuring angles or lengths |
| 03/13/1991 | EP0416275A1 Device for the measurement of deformations rigidly fixed to a long straggling machine piece, especially the scraper beam of a coating device |
| 03/13/1991 | EP0416059A1 A method of measuring a vehicular frame |
| 03/13/1991 | CN2073105U Rule for examming flexibility of brick and tile |
| 03/12/1991 | US4999623 Position measuring apparatus with reference marks |
| 03/12/1991 | CA1281182C Displacement measuring apparatus |
| 03/06/1991 | CA2021043A1 Device for measuring deformations in an elongated machine component, especially the doctor beam of a coater |
| 03/05/1991 | US4998016 Probe unit, driving method thereof, and scanning device for detecting tunnel current having said probe unit |
| 03/05/1991 | US4998005 Machine vision system |
| 03/05/1991 | US4997287 Method and apparatus for detecting the temperature of an object on a coordinate measuring apparatus |
| 03/05/1991 | US4997274 Three-dimensional measurement apparatus |
| 03/05/1991 | CA1280888C Coordinate measuring machine |
| 03/05/1991 | CA1280887C Thread gage |
| 02/27/1991 | EP0277219B1 Process for determining the length of tapes, especially magnetic tapes |
| 02/27/1991 | CN2072212U Linear displacement type digital display apparatus for measuring implement |
| 02/26/1991 | US4995170 Contour reading device suitable for use on eyeglass frames |
| 02/20/1991 | EP0413292A2 Apparatus for metering an elongate stringer chain |
| 02/20/1991 | EP0413040A1 Method of producing ultrafine silicon tips for the AFM/STM profilometry |
| 02/19/1991 | US4993163 Gauge for checking linear dimensions of mechanical pieces |
| 02/19/1991 | CA1280491C Inspection and sorting of molded containers as a function of mold oforigin |
| 02/13/1991 | EP0412791A2 Monitoring and predicting road vehicle/road surface conditions |
| 02/12/1991 | US4992728 Electrical probe incorporating scanning proximity microscope |
| 02/12/1991 | US4991304 Workpiece inspection method |
| 02/06/1991 | CN1011544B Bore mapping and surface time measurement system |
| 02/06/1991 | CN1011542B Length measuring instrument for plant root system |
| 02/06/1991 | CN1011541B Six-contact type high-precision planeness-measuring method and its apparatus |
| 02/05/1991 | US4990767 Position measuring apparatus with multiple scanning locations |
| 02/05/1991 | US4989981 Automatic quality control measuring system for automotive assembly line or the like |
| 02/05/1991 | US4989340 Alignment adjusting mechanism |
| 02/05/1991 | US4989338 V-shaped groove inspecting and working method |
| 01/31/1991 | DE4020892A1 Needle position sensor - has rings on rotor shaft with markings to show angular position of rotor |
| 01/30/1991 | EP0410321A2 Method and apparatus for the automatic measurement of diameters and lenghts of solids of revolution |
| 01/30/1991 | EP0287613B1 An absolute measurement scale system |
| 01/30/1991 | CN2070432U Edge measuring rule for boiler pressure container |
| 01/30/1991 | CN1048921A 内插器 Interpolator |
| 01/29/1991 | WO1991002231A1 Shape detecting roll |
| 01/29/1991 | CA2035885A1 Shape detecting roll |
| 01/29/1991 | CA1279475C Blade pitch measurement apparatus and method |
| 01/29/1991 | CA1279473C Method and apparatus for measurement of caster, king- pin-inclination andcamber on motor vehicles |
| 01/23/1991 | EP0408799A1 Method of interpolating position measurement signals |
| 01/23/1991 | EP0138852B1 Axial-torsional extensometer |
| 01/17/1991 | DE3932398C1 Matching aerial reflector to specified ideal reflector contour - determining deviations of aerial reflector from ideal contour at measurement points on surface of reflector |
| 01/15/1991 | US4984458 System for measuring the relaxed length of a moving web |
| 01/10/1991 | DE3920429A1 Digitalisiergeraet Digitizer |