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| Number | Title | Issue Date |
| 8186203 | Device of testing robustness of photovoltaic module terminal A terminal is tested for its robustness. The terminal is for a photovoltaic module. The photovoltaic module is put on a frame unit and is connected with a load unit. The present invention reduces human errors, improves test accuracy and achieves easy operation. ... | 05/29/2012 |
| 6938465 | Method of rating brittleness of coating substance and device for implementing the brittleness rating method Brittleness of a coating substance such as a coating film that is too brittle and/or too thin to be independently removed or handled is rated on the basis of an outcome of detection of acoustic emissions which are produced when a test film piece prepared by laminati... | 09/06/2005 |
| 6618654 | Method and system for discovering and recovering unused service life A method and system on-board a vehicle is provided for determining cycles to failure of the vehicle. The system includes a vehicle attitude reference or navigation system, a memory, and a processing component. The vehicle attitude reference system generat... | 09/09/2003 |
| 6148657 | Method and apparatus for analyzing a breath sample Method and apparatus for analyzing a breath sample provide user-friendly operation and analysis. The method and apparatus provide for automatic operation and coordination of operation of and absorbent sample tube, including desorbing means, a chromatograp... | 11/21/2000 |
| 6012337 | Structural monitoring sensor system The present invention is directed to a system for continuous physical integrity monitoring of large civil structures such as bridges and high-rise buildings . . . wherein the relevant sensor data stream is generated continuously and transmitted to the dat... | 01/11/2000 |
| 5898816 | Method for treating material samples and apparatus for testing exposure to light and weathering The invention concerns the ageing of material samples in the test enclosure f an apparatus for testing exposure to light and weathering, using visible light, UV light and medium- or long-wavelength IR radiation and with air circulation. In order to ensure ... | 04/27/1999 |
| 5826213 | Method and apparatus for investigating toughening mechanisms and crack advance in lightweight materials The system consists of a series of programs that enable a user to investigate possible toughening mechanisms against crack growth in composites and brittle materials consisting of different combinations of materials and containing planar interfaces and el... | 10/20/1998 |
| 5808183 | Process for calculating the transition temperature curve of irradiated low-alloy reactor pressure vessel steel The transition temperature curve of irradiated low-alloy reactor pressure steel is calculated utilizing results from a notched impact bending test performed on irradiated samples of steel. The transition temperature curves for the partial energy, the hydr... | 09/15/1998 |
| 5744703 | Process to measure the stringiness of room temperature vulcanizable silicone sealant compositions A standardized test for measuring the stringiness of room temperature vulcanizable silicone sealant compositions is disclosed wherein a tube of sealant is held at a constant angle to the surface upon which the sealant is being applied. The surface is mova... | 04/28/1998 |
| 5517851 | Method and apparatus for predicting onset of intergranular attack and stress corrosion cracking in tubing subjected to hostile environment An autoclave-enclosed sidestream model boiler is used to predict the onset of intergranular attack ("IGA") and stress corrosion cracking ("SCC") within tubing associated with a power generator. Power generator final feed water is fluid coupled to a pipe w... | 05/21/1996 |
| 4866999 | Corrosion cracking test specimen and assembly A corrosion cracking test assembly comprising a pair of strips each having notches formed along one edge and assembled in a stressed condition.... | 09/19/1989 |
| 4730483 | Means for determining maximum ironing reduction Apparatus and method for determining the fracture resistance of thin wall hollow articles when ironed, the method including the step of providing a drawing die and punch or a mandrel having a portion thereof tapered in a continuous, linear manner. The tap... | 03/15/1988 |
| 4461168 | Hydrogen embrittlement tester A hydrogen embrittlement tester, for a metal sample, has a vise device for holding the sample. For testing bend fracture, the distance between both ends of the sample is measured, which corresponds to that of the distance between the sample holding member... | 07/24/1984 |
| 4419885 | Method of verifying the stress rolling of a metallic rim A method of verifying the stress rolling of a metallic rim includes the steps of taking a first hardness reading of the surface that is to have been stress rolled, taking a second hardness reading of a reference surface that has not been stress rolled and... | 12/13/1983 |
| 4402228 | Apparatus and method for testing the hardness of battery components An apparatus and method for determining the hardness characteristics of battery components such as lead intercell connection lugs wherein a base is provided with an aperture which corresponds to the size of the aperture provided in the intercell partition... | 09/06/1983 |
| 4381666 | Method for the nondestructive testing of cellular metallics Method of nondestructively measuring percent elongation or ductility of a cellular metallic. After surface preparation, the number of metal cells per unit area are counted, either manually or using an automated technique. The cell count is utilized in a r... | 05/03/1983 |
| 4372154 | Wire elongation test method and apparatus A digital method of testing a wire drawing distance to determine the percent wire elongation provided thereby in which a predetermined test length of wire is pulled through the die and then around a rotatable capstan thereby rotating the same. A train of ... | 02/08/1983 |
| 4299120 | Method for determining plane strain fracture toughness of non-elastic fracture mechanics specimens The present invention involves a new method for measuring plane strain fracture toughness (KIc) of a somewhat non-elastic material uniquely suitable for use on specimens that are smaller than have formerly been required for performing valid K | 11/10/1981 |
| 4116049 | Method for measuring plane strain fracture toughness The present invention consists of a method for accurately measuring the plane strain fracture toughness of ductile and brittle materials, the method to be practiced on a specimen formed such that, when the specimen is appropriately loaded, a crack will in... | 09/26/1978 |
| 3935730 | Method and gauge for nondestructively testing and certifying the workable qualities of a casting The invention is directed to a method and gauge for nondestructively testing and certifying the workable qualities of a casting. The guage comprises a tab cast at the same time as the remaining portion of the casting located in a nonfunctional location, w... | 02/03/1976 |
