| Patents for G01N 3 - Investigating strength properties of solid materials by application of mechanical stress (30,941) |
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| 04/10/1990 | US4914958 Apparatus for investigating the behavior of contraform contacts |
| 04/10/1990 | CA1267548A1 Impact testing apparatus |
| 04/05/1990 | WO1990003563A1 Pull tab force measuring apparatus |
| 04/05/1990 | DE3925312A1 Microscopic imaging appts. for thermal and thermo-elastic structure - has piezoelectrical flexural transducer detecting mechanical vibrations caused by light variations |
| 04/04/1990 | EP0361216A2 Loose rock detector |
| 04/03/1990 | US4912980 Modular test fixture for vibration and shock testing |
| 03/29/1990 | DE3832775A1 Method for testing the strength of the soldered joints between the power supply leads and the contents of wafer-shaped electrical components and device for carrying out the method |
| 03/28/1990 | EP0360693A1 Device for measuring the firmness of a deformable object |
| 03/27/1990 | US4911017 Multiple sample automated cut growth analysis |
| 03/27/1990 | US4911002 Logging apparatus for a core sample cutter |
| 03/27/1990 | US4910997 Fluctuating stress generating apparatus and method |
| 03/27/1990 | US4910995 Drop tester capable of automatically and repeatedly carrying out a drop test |
| 03/22/1990 | DE3830816A1 Method for measuring hardness |
| 03/22/1990 | DE3830815A1 Method and device for testing hardness |
| 03/21/1990 | EP0359140A2 Adhesion pull-tester |
| 03/20/1990 | US4909280 Fastener for closing and sealing ends of pipes subjected to internal pressure |
| 03/20/1990 | US4909085 Mechanical property testing machine |
| 03/20/1990 | US4909084 Filament specimen fixture |
| 03/14/1990 | EP0235234B1 Apparatus and methods for measuring cell adhesion |
| 03/14/1990 | CN2054536U Multipurpose extending gauge |
| 03/13/1990 | US4907458 Testing the ability of a wire bond |
| 03/08/1990 | DE3829199A1 Method for determining the forces and length changes of individual threads occurring in response to uniaxial tensile stress |
| 03/07/1990 | EP0356563A1 Method and measuring device for determining crack lengths and/or elongations in construction parts or samples |
| 03/07/1990 | EP0356429A1 Process and device for testing spring elements with essentially linear spring excursion. |
| 03/06/1990 | US4905521 For allowing deformation measurement of a specimen |
| 03/06/1990 | US4905502 Pressure vessel fatigue test system |
| 03/01/1990 | DE3829321A1 Test arrangement for granulates, especially for granulates made of ceramic powders |
| 03/01/1990 | DE3829000A1 Pressure plate bearing for materials testing machines |
| 02/28/1990 | CN2053752U Cenmented sand wearproof tester |
| 02/27/1990 | US4904080 Method of monitoring solidification of a liquid composition |
| 02/27/1990 | US4903534 Method and apparatus for testing brushes |
| 02/22/1990 | WO1990001689A1 Process for measuring yarn strength |
| 02/22/1990 | WO1990001675A1 Vibration damped mounting for extensometer system |
| 02/22/1990 | DE3926676A1 Penetration path evaluation system for hardness testingdevice |
| 02/22/1990 | DE3828324A1 Device and method for the pressure-loading of a test body |
| 02/21/1990 | CN2053338U Tester for containers of top pop can type |
| 02/20/1990 | US4901582 Fixture for brittle pre-crack introduction in ceramic specimen |
| 02/20/1990 | US4901581 Method and apparatus for testing stretch film |
| 02/20/1990 | US4901580 Load testing apparatus |
| 02/15/1990 | DE3827080A1 Method and device for the dynamic internal pressure testing of hollow bodies |
| 02/15/1990 | DE3827038A1 Clamping device for materials testing machines |
| 02/15/1990 | DE3826044A1 Method and device for the laboratory detection of the erosion behaviour of undisturbed cohesive sediment in a liquid medium |
| 02/14/1990 | EP0354250A1 Perforation test apparatus for material samples or components |
| 02/14/1990 | CN2052899U Detector for concrete tensile strength in situ |
| 02/13/1990 | US4899581 Method and apparatus for the quantitative measurement of adhesion of thin films |
| 02/13/1990 | US4899578 Driving device for a hardness measuring instrument |
| 02/13/1990 | US4899577 Device for a hardness measuring instrument |
| 02/06/1990 | US4899296 Pavement distress survey system |
| 02/06/1990 | US4899051 Method and device for simulating thermal effects at the interface of a magnetic head and a recording medium |
| 02/06/1990 | US4898020 Method and apparatus for detecting and eliminating entrapped gas bubbles in a thick film coating |
| 02/01/1990 | DE3825657A1 Testing device for tensile bars |
| 01/24/1990 | CN2051737U Fatigue tester for water outlet mechanism of airpots |
| 01/23/1990 | US4896339 Material testing machine |
| 01/23/1990 | US4895750 Carbon composite coated with nickel |
| 01/23/1990 | US4895028 Method of pull-testing wire connectors on an electrical device |
| 01/23/1990 | US4895027 Determining plane strain fracture toughness and the J-Integral for solid materials using stress field modified miniature specimens |
| 01/17/1990 | EP0350608A2 Procedure and device for testing lorry axles with springs |
| 01/16/1990 | US4893944 Non-destructive method of testing a weld obtained by pressure welding two metal parts |
| 01/16/1990 | US4893503 Method of measuring adhesive strength of adhesive sheet and apparatus for implementing this method |
| 01/16/1990 | US4893496 Torsional wave fluid sensor and system |
| 01/10/1990 | CN2050979U Welded pipe whole immersion type continuous hydraulic pressure testing machine |
| 01/10/1990 | CN2050978U Dry-strength testing instrument for semifinished products of everyday used ceramics |
| 01/10/1990 | CN1038697A Nondestructive examination of turbine rotor and evaluation of its remaining life after stress |
| 01/10/1990 | CN1038696A 涡轮机叶片疲劳监测器 Turbine blade fatigue monitor |
| 01/09/1990 | US4892410 Method and apparatus for protective encapsulation of structural members |
| 01/03/1990 | EP0349422A1 Cell for performing triaxial stress tests on a rock sample, and test method using such a cell |
| 01/03/1990 | CN2050606U Wrist form li hardness detector |
| 01/03/1990 | CN2050605U 50kn precision bending resistance tester |
| 12/28/1989 | DE3820935A1 Clamping device for tension experiments with smoothly prismatic specimen |
| 12/27/1989 | EP0348177A2 Testing apparatus |
| 12/27/1989 | CN1038345A Block mortar-joint strength direct measuring method and equipment thereof |
| 12/26/1989 | US4888995 Test specimen grip apparatus |
| 12/26/1989 | US4888982 Method and apparatus for evaluating the hardening of chemically bonded foundry sand molds and cores |
| 12/21/1989 | DE3918195A1 Method and device for detecting, picking up and measuring the elastic and elastoplastic deformation of a surface of a test-piece arising under the effect of a load |
| 12/20/1989 | EP0347331A2 Sheet tension sensor |
| 12/19/1989 | US4887474 Clamp tightness tool for stator cores |
| 12/19/1989 | US4887463 Pavement testing machine and method of testing pavements |
| 12/19/1989 | US4887459 Turf gauge for measuring the hardness of a gold green |
| 12/14/1989 | DE3917606A1 Process and apparatus for the production of cigarettes |
| 12/13/1989 | CN1006091B Drop hammer type apparatus for measuring the sunface configuration of paving |
| 12/13/1989 | CN1006088B Tension testing instrument for steel wires |
| 12/12/1989 | US4886009 Composite tool having wear indicator |
| 12/12/1989 | US4885941 Bi-axial geomaterial test system |
| 12/12/1989 | US4885933 Hardness impact tester |
| 12/07/1989 | DE3818831A1 Piezo-controlled loading device for the microscopic, in-situ examination of samples |
| 12/06/1989 | EP0344194A1 Process and device for testing motor vehicle stabilizers. |
| 12/06/1989 | CN2048971U High temp. press fast cooling tester |
| 12/06/1989 | CN2048970U Pen type portable penetration meter |
| 12/05/1989 | US4885464 Apply film containing isotopes |
| 12/05/1989 | US4885254 Fluorescene technique to monitor cure in polymers |
| 12/05/1989 | US4884463 Testing apparatus |
| 12/05/1989 | US4884456 High temperature extensometer system |
| 12/05/1989 | US4884454 Manbasket testing apparatus and method |
| 11/30/1989 | WO1989011642A1 Hardness impact tester |
| 11/29/1989 | EP0344145A1 Device for detecting the condition of rail switches or crossings |
| 11/23/1989 | EP0342275A1 Fatigue testing machine |
| 11/21/1989 | US4881405 Method and device for mechanical testing of civil engineering structure surfacings |
| 11/16/1989 | WO1989011091A1 Testing apparatus |
| 11/16/1989 | DE3819108C1 Pendulum striking mechanism for the generation of defined impulses for the dynamic calibration of compressible bodies |
| 11/16/1989 | DE3815425A1 Method for the determination of the tensile strength of thin single fibres |