| Patents for G01N 3 - Investigating strength properties of solid materials by application of mechanical stress (30,941) |
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| 06/19/1991 | EP0432980A1 Friability testing apparatus |
| 06/19/1991 | CN2079293U Multi-function material testing machine |
| 06/18/1991 | US5024103 Surface instability detection apparatus |
| 06/18/1991 | US5024095 Diagnostic locator for mechanically malfunctioning electronic circuitry |
| 06/18/1991 | US5024091 Nonhomogeneous materials |
| 06/18/1991 | US5024090 Loose rock detector |
| 06/13/1991 | WO1991008479A1 Method of measuring the firmness of meat |
| 06/12/1991 | EP0432131A2 Indentor hardness testing device |
| 06/12/1991 | EP0432066A1 Traction and flexion bench |
| 06/12/1991 | EP0431395A2 Apparatus for measuring the surface hardness of construction materials |
| 06/12/1991 | EP0325586B1 Fluctuating stress generating apparatus and method |
| 06/12/1991 | CN2078876U Soil hardness detecor |
| 06/12/1991 | CN2078875U Nondestructive detector of strength of sintered brick |
| 06/11/1991 | US5022276 Device for holding a rotor |
| 06/11/1991 | US5022273 Apparatus and method for testing the bending strength of needles |
| 06/11/1991 | US5022272 Locally compensated deformation sensor |
| 06/08/1991 | CA2031711A1 Apparatus for measuring the surface hardness of building materials |
| 06/08/1991 | CA2031662A1 Harness tester |
| 06/05/1991 | EP0430138A1 Cylindrical high-temperature induction furnace |
| 06/05/1991 | EP0429677A1 Measuring robot system |
| 05/30/1991 | WO1991007657A1 Method and apparatus for measurement and imaging of tissue compressibility or compliance |
| 05/29/1991 | EP0429376A1 Apparatus for measuring the mechanical properties of a sample, especially textile |
| 05/29/1991 | CN2077994U Mechanical property measuring device for prestressed porous plate |
| 05/29/1991 | CN2077993U Life testing machine for mechanical tuner |
| 05/29/1991 | CN1051788A Rapid test method for three performance parameters of wet moulding sand the tester thereof |
| 05/28/1991 | US5018389 Rock-stress measuring method |
| 05/24/1991 | CA2004560A1 Method of measuring the firmness of meat |
| 05/22/1991 | EP0428010A2 3 point bending measuring system |
| 05/22/1991 | EP0427978A2 Tire cord thermal analysis testing device and method |
| 05/22/1991 | CN2077544U Sealing joint of pressure tester for steel pail |
| 05/21/1991 | US5016477 Apparatus for measuring the flexural resistance of ribbed patterns |
| 05/21/1991 | US5016476 Optical fiber bending stress proof tester |
| 05/14/1991 | US5015825 Furnace for tensile/fatigue testing |
| 05/14/1991 | US5015431 Process for making model skin |
| 05/14/1991 | CA2028679A1 Tire cord thermal analysis testing device and method |
| 05/08/1991 | CN2076672U Strength micro-measurer for coke |
| 05/08/1991 | CN2076671U 冲程轮 Stroke round |
| 05/07/1991 | US5013403 Process for continuous determination of paper strength |
| 05/02/1991 | WO1991005992A1 Process for testing the hardness of mass-produced parts with low mechanical reactance |
| 05/02/1991 | WO1991005990A1 Device for determining mechanical properties of materials |
| 05/02/1991 | WO1991005618A1 Agricultural commmodity condition measurement |
| 05/01/1991 | CN2076234U Intelligent quick tester for pressure spring force value |
| 04/24/1991 | EP0423279A1 Cruciform, flat test specimen, in particular of sheet metal, for conducting a biaxial test in the high elongation range |
| 04/23/1991 | US5009102 Method of monitoring solidification of a liquid composition |
| 04/18/1991 | DE3934578A1 Verfahren zur haertepruefung von serienteilen mit geringer mechanischer reaktanz Method for haertepruefung of mass share of low mechanical reactance |
| 04/17/1991 | EP0422601A2 Testing device for detecting the behaviour of granular material under triaxial charge |
| 04/17/1991 | EP0386038A4 Preloading clamp |
| 04/17/1991 | EP0371058A4 Self aligning test grip |
| 04/17/1991 | CN1050767A Method and equipment for on-the-spot test of compression strength of building mortar |
| 04/16/1991 | US5007265 Optical monitor for superplastic forming |
| 04/10/1991 | EP0421606A2 Indentation hardness tester |
| 04/10/1991 | CN2074911U Coke tensile stenghth measuring instrument |
| 04/09/1991 | US5005774 Rapid, single kernel grain characterization system |
| 04/09/1991 | US5005424 Machine and method for uniaxial mechanical material testing |
| 04/09/1991 | US5005423 Crack growth rate measuring instrument |
| 04/04/1991 | DE4030472A1 Ball drop tester with drop tube and pneumatic block return - has pressure relief apertures closed after impact to prevent bouncing |
| 04/03/1991 | EP0420733A1 Apparatus for testing equipment under unidirectional vibrations and controlled environment |
| 04/02/1991 | US5003982 Dynamic indentation system |
| 04/02/1991 | US5003826 Apparatus for supporting a long cable for tension testing |
| 04/02/1991 | US5003811 Shock testing apparatus |
| 04/02/1991 | CA1282259C Extensometer |
| 04/02/1991 | CA1282255C Device for hot testing the mechanical resistance of pressurized containers |
| 04/02/1991 | CA1282249C Calibration impact hammer |
| 03/27/1991 | CN1050262A High temp. ceramics creep testing machine |
| 03/27/1991 | CA2025477A1 Apparatus for the unidirectional vibration testing of an equipment under a controlled atmosphere |
| 03/26/1991 | US5001935 Method and apparatus for determining the environmental stress crack resistance of plastic articles |
| 03/21/1991 | WO1991003721A1 Slow strain rate shear strength tester for compact |
| 03/19/1991 | US5000036 Tool wear detector |
| 03/14/1991 | DE3930483A1 Dynamic indicator of physical parameters of test model - measures load duration on model applied by impact device, e.g. for hardness testing |
| 03/14/1991 | DE3928360A1 Testing plastics at high temperature - by placing in heated autoclave, injecting water for desired humidity, reheating, testing specimen and weighing |
| 03/13/1991 | EP0365536A4 Biocompatible polyorganosiloxane composition for cell culture apparatus |
| 03/13/1991 | CN1012012B Cutting force dynamometer with six-struts |
| 03/12/1991 | US4998825 Tire cord thermal analysis testing device and method |
| 03/12/1991 | US4998440 Apparatus and method for fatigue testing a wheel |
| 03/12/1991 | CA1281207C Method and device for determining the structural condition of a volume or mass of rock or stone and of how steady fixing elements such as roofbolts are anchored therein |
| 03/06/1991 | EP0415857A1 Mechanical fatigue testing bench for cylinder heads of engines |
| 03/06/1991 | EP0414889A1 Single beam ac interferometer |
| 03/06/1991 | CN2072685U Pneumatic clamping apparatus on tensile testing machine |
| 03/06/1991 | CN1011916B Car for testing strength of earth with loading plate |
| 03/05/1991 | US4997276 Apparatus and method for determining elastic properties of optical fibers by contact area measurement |
| 02/27/1991 | EP0413696A1 Impact testing apparatus |
| 02/26/1991 | US4995262 Tile shear testing apparatus and method |
| 02/21/1991 | WO1991002234A1 Methods for the observation and measurement of properties of materials at elevated temperatures |
| 02/21/1991 | WO1991002233A1 Tensile-testing machine |
| 02/19/1991 | US4993876 Method and apparatus for protective encapsulation of structural members |
| 02/19/1991 | US4993268 Method of testing a honeycomb joining pin against seating failures |
| 02/13/1991 | EP0412513A2 Method of inspection of products and apparatus therefor |
| 02/13/1991 | EP0412348A2 Specimen clamping device exerting no bending moment, in particular for ceramic test piece |
| 02/12/1991 | US4991791 Winding |
| 02/12/1991 | US4991446 Force measurement with compensation of errors caused by accelerations of measuring apparatus |
| 02/12/1991 | US4991444 Centrifugal carton test method and apparatus |
| 02/12/1991 | US4991432 Sensor and system for continuous determination of sheet characteristics |
| 02/05/1991 | US4990076 Pressure control apparatus and method |
| 02/05/1991 | US4989455 Vibrator |
| 01/31/1991 | DE3924345A1 Reinforced carbon clamp for high temp. draw testing - has tubular mounting heads for pairs of mounting parts forming cylinders with slots for specimen |
| 01/30/1991 | EP0410370A1 Device for dynamic torsion testing of a sample |
| 01/30/1991 | CN2070443U Foldable multi-function elements fire-resistant test furnace |
| 01/30/1991 | CN2070442U Non-contact photoelectric tracer |
| 01/29/1991 | US4987766 Method for determining the micro impact energy capacity of the surface of a disk drive head and a thin film disk |
| 01/23/1991 | EP0138852B1 Axial-torsional extensometer |