| Patents for G01N 3 - Investigating strength properties of solid materials by application of mechanical stress (30,941) |
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| 09/07/1990 | WO1990010189A1 Device for measuring the thermomechanical characteristics of a test sample |
| 09/05/1990 | CN2061691U Automatic loading device for lever-type consolidometer |
| 09/05/1990 | CN2061690U Containerized bag grab |
| 09/04/1990 | US4953973 Detection of compressive residual stresses using the method of caustics |
| 09/04/1990 | US4953406 Rheometer die assembly |
| 08/29/1990 | EP0384477A2 Method and machine for bending tubes |
| 08/29/1990 | CN1009389B Inserument and method for measuring permeability and porosity of rock core under high pressure |
| 08/28/1990 | US4951504 Process and apparatus for testing the axles and/or springs and/or adjacent components of commercial vehicles |
| 08/23/1990 | WO1990009582A1 Process and device for monitoring the occurrence or spreading of fractures or cracks in materials, workpieces, component parts, structures or flying objects, in particular in earthquake-prone regions or movement of strata during tunnelling |
| 08/23/1990 | DE4004171A1 Tear detector for mechanical loading test sample - uses capacitive sensor coupled via impedance converter to electronic evaluation circuit |
| 08/23/1990 | DE3905409A1 Arrangement for the laboratory-independent determination of the normal-stress-dependent shear stress and of the associated shear displacement in undisturbed and disturbed soil samples |
| 08/23/1990 | DE3904903A1 Insert for clamping thin-walled hollow profiles, especially for internal pressure tests |
| 08/16/1990 | EP0382685A2 Apparatus for measuring the flexural resistance of ribbed patterns |
| 08/16/1990 | EP0382532A1 Method for determining crack lengths |
| 08/16/1990 | EP0382263A2 Electronic bale density controller |
| 08/16/1990 | EP0381717A1 Process for measuring yarn strength. |
| 08/16/1990 | DE4004170A1 Arrangement to detect material failure in structural materials - having probe elements, differential amplifier computer and recording or warning signal unit |
| 08/16/1990 | DE3903269A1 Control device for a tribological measuring device |
| 08/14/1990 | US4947686 Method and apparatus for determining web tension setting |
| 08/08/1990 | CN2060230U Pill hardness testing instrument |
| 08/07/1990 | US4947341 Method of predicting fatigue lifetimes of metallic structures |
| 08/07/1990 | CA1272395A1 Apparatus and method for adhesive testing of coatings |
| 08/02/1990 | DE3901432A1 Measured value acquisition on a Brinell hardness testing machine with the aid of a video camera and a computer |
| 07/31/1990 | US4945490 Brinell hardness indicator with digital readout |
| 07/26/1990 | WO1990008306A2 Fiber testing apparatus and method |
| 07/25/1990 | EP0379230A2 Electronic bale density controller |
| 07/25/1990 | CN2059740U Double slide callipers |
| 07/24/1990 | US4943930 Method and apparatus for non-destructive evaluation of concrete |
| 07/24/1990 | US4942769 Method of testing cores |
| 07/24/1990 | US4942768 Paving material testing machine |
| 07/19/1990 | DE3901118A1 Device for determining the resistance to cutting and damage of the running surface of vehicle tyres |
| 07/18/1990 | EP0270590B1 Apparatus for testing the resistance to cleavage of cardboard tubes |
| 07/18/1990 | CN1008830B Corrosion method for testing the stress-resistance of connecting legs of semiconductor devices |
| 07/17/1990 | US4941359 For the three-point flexure testing of ceramics |
| 07/12/1990 | WO1990007704A1 Hardness testing machine for testing hardness under load and process for adjusting said machine |
| 07/11/1990 | CN1043650A Inertia weld notch control through use of differential wall thicknesses |
| 07/11/1990 | CN1043642A Shock-exciting method of electric eddy-magnetic push-pull and shock exciter |
| 07/11/1990 | CN1008773B Unidirectional enamel-scraper for enameled wire |
| 07/10/1990 | US4940891 Automated system for measuring the strength of optical fibers |
| 07/10/1990 | US4939927 Device to measure the tenderness of meat |
| 07/10/1990 | US4939922 Method and device for examining the wear and friction properties of surface materials exposed to sliding friction |
| 07/05/1990 | DE3942695A1 Appts. for measuring stiffness of flat objects - has two sets of rollers of small inertia and with elastic coating driven by micro-motors |
| 07/04/1990 | EP0376840A1 Device to fix a fragile object such as a mirror |
| 07/04/1990 | CN2058987U Electric turning over disengaging device |
| 07/04/1990 | CN2058986U Hydraulic overload limiter |
| 07/03/1990 | US4938055 Apparatus for testing abrasion |
| 06/28/1990 | DE3843588A1 Haertepruefgeraet zur haertepruefung unter last und verfahren zum justieren eines derartigen haertepruefgeraetes Hardness tester at haertepruefung under load and process to adjust such a hardness tester |
| 06/27/1990 | EP0375590A2 Inertia weld notch control through the use of differential wall thicknesses |
| 06/27/1990 | EP0374735A2 Optical monitor for superplastic forming |
| 06/27/1990 | EP0374470A2 Expansible reel for tests on filamentary material, in particular optical fibres |
| 06/27/1990 | CN2058753U Surface-brittleness testing machine |
| 06/26/1990 | US4936140 Device and method for calibrating a non-destructive sheet strength measuring system |
| 06/26/1990 | US4936135 Material wear testing devices and techniques |
| 06/21/1990 | DE3842546A1 Method and device for the non-destructive measurement of the hardness of a specimen |
| 06/21/1990 | DE3842061A1 Method for the determination of mechanical defects in brittle material moulded parts, especially ceramic substrate plates |
| 06/20/1990 | EP0373332A1 Apparatus for the non-destructive detection of inhomogeneities in elastic materials |
| 06/20/1990 | CN2058486U Portable testing device for hardness |
| 06/20/1990 | CN1043205A High contrast high temp. grate manufacturing process and applied technology |
| 06/19/1990 | US4934199 Method and apparatus for preparing specimens for destructive testing of graphite epoxy composite material |
| 06/19/1990 | US4934185 Device for measuring adhesive strength and shear strength of coated film |
| 06/13/1990 | EP0372636A2 A method and cell for freezing formation layer sample tests |
| 06/13/1990 | CN1042991A Trial staking technology combining vibration method and transfer function method |
| 06/12/1990 | US4932267 Flexure coupling |
| 06/12/1990 | US4932239 Standard target for explosive charge testing |
| 06/06/1990 | EP0371058A1 Self aligning test grip |
| 06/06/1990 | CN2058011U Metal bending tester |
| 06/05/1990 | US4930355 Hydraulic drive apparatus and method for instrumented penetration and tensile-impact testing |
| 06/05/1990 | US4930354 Automatic bond determinator |
| 06/05/1990 | US4930346 Method for the determination of the properties of mouldable materials, particularly for the determination of the plastic and reologic properties thereof |
| 06/02/1990 | CA2004389A1 A method and cell for freezing formation layer sample tests |
| 05/31/1990 | DE3840261A1 Loading device |
| 05/30/1990 | CN2057753U Elastic membrane broken-expanding intensity instrument |
| 05/29/1990 | US4928533 Burst testing apparatus |
| 05/29/1990 | US4928532 Hydrostatic self-aligning axial/torsional mechanism |
| 05/23/1990 | CN2057513U Pile measurer with signal self-synchronous strengthening apparatus |
| 05/22/1990 | US4926694 Delamination test apparatus and method |
| 05/15/1990 | US4924709 Tension testing tool |
| 05/15/1990 | US4924708 Method for calculating crack lengths of conductive sensors |
| 05/09/1990 | EP0367218A2 A resin flow and curing measuring device |
| 05/09/1990 | EP0366781A1 High temperature extensometer system |
| 05/08/1990 | US4922748 Method for monitoring thinning of pipe walls and piping component for use therewith |
| 05/02/1990 | EP0365546A1 Apparatus for testing hardness under load. |
| 05/02/1990 | EP0365536A1 Biocompatible polyorganosiloxane composition for cell culture apparatus. |
| 05/02/1990 | CN1041823A Method and equipment for prefabricating fatigue crack on fragile materials |
| 05/01/1990 | US4920807 Method for predicting the fatigue life of a vehicle suspension component |
| 04/25/1990 | EP0364919A1 Device for the clamping and sudden release of a test bar subjected to tensile and/or torsional forces |
| 04/24/1990 | US4919646 System for automatically balancing a centrifuge in operation |
| 04/24/1990 | US4918993 Method of gauging pre-existing in-situ stress from an extracted sample |
| 04/24/1990 | CA1268054A1 Method of and an apparatus for measuring the properties, particularly the compactibility of a stiff mass to be cast |
| 04/19/1990 | WO1990004161A1 Rheometer calibration |
| 04/19/1990 | DE3834846A1 Method and device for the examination of the surface condition in terrain which is difficult to access or inaccessible |
| 04/19/1990 | DE3834845A1 Method and device for the examination of the surface condition in terrain which is inaccessible or difficult to access |
| 04/18/1990 | EP0364252A2 Wear testing devices |
| 04/18/1990 | EP0364217A2 Improved torsional wave fluid sensor and system |
| 04/17/1990 | US4916954 Fatigue testing apparatus |
| 04/17/1990 | US4916942 Notch gauge tool |
| 04/17/1990 | CA1267791A1 Process and device for determining the internal condition of trees or wooden components |
| 04/12/1990 | DE3834123A1 Clamping head for the clamping of tensile samples in tensile testing machines |
| 04/11/1990 | EP0362616A1 Apparatus and process for measuring the elastic and viscoelastic deformation of the skin |
| 04/10/1990 | US4914965 Crack shear displacement gage |