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| Number | Title | Issue Date |
| 5309776 | Method of diagnosing deterioration of insulating paper in oil-filled electric apparatus In a method of diagnosing the deterioration of the insulating paper in an oil-filled electric apparatus, the total amount of furfural is determined by adding the amount of furfural adsorbed on the insulating paper to the amount of furfural dissolved in in... | 05/10/1994 |
| 5299450 | Method for evaluating performance of aluminum alloy wiring film A method for evaluating performance of an aluminum alloy wiring film includes the steps of forming a first aluminum alloy film on a substrate, forming a second aluminum alloy film on another substrate, measuring hardness of the both films, and evaluating ... | 04/05/1994 |
| 5289728 | Flow-no-flow tester An instrument for measuring certain physical properties of a sample of particulate material so that the flow characteristics of the material can be determined includes an improved compaction assembly having an upper piston that is surrounded by a retracta... | 03/01/1994 |
| 5285692 | Methods for measuring physical parameters of a low permeability rock formation in situ A method for determining drilling fluid density for stabilizing a wellbore including obtaining shale cuttings from a wellbore. In one embodiment of a method according to this invention, shale cuttings are obtained from a wellbore and their index propertie... | 02/15/1994 |
| 5279169 | Hydrogen monitoring apparatus An apparatus for measuring the diffusion of hydrogen atoms from a second surface to a first surface of a ferrous metal body in order to monitor the magnitude of corrosion occurring at the second surface. The apparatus comprises a chamber-defining member w... | 01/18/1994 |
| 5275063 | Measurement of hydration behavior of geologic materials Methods and apparatuses for testing the effects of one or more fluids on geologic materials; in one aspect a method for quantitatively determining the hydration and swelling behavior of shale core samples in response to one or to different fluids circulat... | 01/04/1994 |
| 5217305 | Method of evaluating ceramics For evaluating mechanical properties of ceramics such as silicon nitride in a nondestructive manner, a specific heat of ceramic test samples to be evaluated is measured at a temperature not higher than room temperature. A comparison is made between a meas... | 06/08/1993 |
| 5214969 | Automatic testing of a plurality of smoking articles A flexible automatic test facility for measuring physical parameters of smoking articles and components of smoking articles, e.g., filter portions. The test facility includes a microprocessor based controller device, apparatus for severing the filter port... | 06/01/1993 |
| 5212994 | Measuring cell The invention relates to a measuring cell for analyzing solid granular or pulverous material, which measuring cell (1) is provided with an aperture (5) in the wall for a measuring window (6). Through the measuring window, the material fed in the measuring... | 05/25/1993 |
| 5209130 | Method for recycling wash residue of ready mixed concrete and system therefor The present invention relates to a method and a system for recycling wash residue of ready mixed concrete include the steps of condensing used cement sludge to a predetermined concentration, storing the condensed sludge, sampling the stored sludge and det... | 05/11/1993 |
| 5191527 | Method of controlling automatic transmission with cross reference to tandem gear units in speed stage shifting In an automatic transmission in a vehicle having a tandem connection of a first gear unit such as lower and upper gear stages and a second gear unit such as having three gear stages so that selective engagement and disengagement of clutches and brakes in ... | 03/02/1993 |
| 5181428 | Method and means for testing soil samples A device for testing soil samples is comprised of a closed container having an interior compartment with upper and lower portions. A valve is provided for introducing into the closed container a liquid having the general properties of butane, and a second... | 01/26/1993 |
| 5174160 | Method of diagnosing electric wires and cables for deterioration of their polymer-insulation and a measuring apparatus used therefor This invention relates to a method or apparatus by which comparatively low-voltage electric wires and cables laid at power stations and other locations can be diagnosed for deterioration of their polymer-insulation in a non-destructive way. The method or ... | 12/29/1992 |
| 5165292 | Channel Device and tube connection and their fabrication procedures A device for measuring at least one characteristic of a fluid is provided. The device comprises a measuring channel which is designed for conducting fluid flow therethrough and which is defined by a wall and a substrate. An inlet orifice and an outlet ori... | 11/24/1992 |
| 5165291 | Method and apparatus for measuring the flow A flow machine for measuring the flowability of granular or powered material. A container for receiving the material to be measured is provided with a rotatable disc assembly which selectively opens and closes apertures defined through the transverse wall... | 11/24/1992 |
| 5154088 | Apparatuses and methods for incorporating blowing agents into liquids for the production of polymer foams and for measuring the volumetric expansion potential of mixtures thereof Apparatus (10, 180, 260, 270) for incorporating blowing agents into a liquid material provides a high pressure liquid storage and mixing tank (20, 181, 261, 271) containing a mixture of liquid material (M) under pressure; means for delivering (59, 220, 23... | 10/13/1992 |
| 5142920 | Dissolution cell and apparatus for determining solids-dissolving kinetics A dissolution cell for determining the kinetics of dissolution of a solid substance in a particular liquid, includes (a) a housing receptacle having a closed bottom end and an open top end, an interior of such receptacle defining (i) a lowermost upwardly ... | 09/01/1992 |
| 5134892 | Electronic insect repellency and attractancy tester Described is an electronic insect repellency and attractancy tester used for measuring repellency and attractancy of compounds or compositions such as ketones, ketoesters, alcohol and/or esters for or against such insects as Musca domestica L. (Diptera:Mu... | 08/04/1992 |
| 5134891 | Device to determine the coefficient of the hydric expansion of the elements of a composite structure So as to determine the coefficient of hydric expansion ଲ of the elements of a composite structure, a sample of this structure is placed in a rigid cradle (10) so that one extremity of the sample is rigidly maintained and that the length variations o... | 08/04/1992 |
| 5127278 | Apparatus for dissolution testing of solid medications An apparatus for dissolution testing of solid medications in accordance with a throughflow method comprises a plurality of testing cells to be surrounded by heating bath each having a lower supply opening for testing fluid and an upper filter with a filte... | 07/07/1992 |
| 5125279 | System for analyzing cotton A system for continuously analyzing cotton moving through a chute in a processing plant comprising cyclically displacing a small mass of cotton from its pathway through the chute toward one of the side walls, and pressing the mass against such side wall s... | 06/30/1992 |
| 5117699 | Flow-no-flow tester An improved flow-no-flow tester has two major advantages over its predecessor. First, it eliminates the need to invert the test cell after the compaction phase, thereby eliminating the possibility that failure of the compacted sample will occur before the... | 06/02/1992 |
| 5109717 | Method and apparatus for measuring flowability of powders A flow machine for measuring the flowability of granular or powdered material. A container for receiving the material to be measured is provided with a rotatable disc assembly which selectively opens and closes apertures defined through the transverse wal... | 05/05/1992 |
| 5099682 | Meat doneness tester A meat doneness tester is disclosed. The invention uses the known principle that the doneness of the meat is directly proportional to the firmness of the meat, i.e. the more the meat is cooked the firmer it becomes. The invention includes a body member, t... | 03/31/1992 |
| 5081862 | Apparatus and method for pressure testing closure disks A method and device for testing the burst pressure of closure disks which provides high pressure to both sides of a disk and rapidly releases pressure from one side thereof causing a high rate of change of pressure. A hollow notched plug allows the rapid ... | 01/21/1992 |
| 5076107 | Apparatus and method for resultant-weight measuring system Apparatus and method are described for measuring and recording as a function of time the resultant-weight of a test object immersed in a fluid medium. The apparatus and method are particularly suitable for determining a change in a chemical and/or physica... | 12/31/1991 |
| 5058444 | System for analyzing entrained solids such as cotton or seed A closed loop system is provided for by-passing, from a duct, a small fluid-entrained stream of particulates or solids; separating the stream into a particulate fraction and a fluid stream that essentially is free of the particulates; returning such fluid... | 10/22/1991 |
| 5044211 | Method for determining the effects of oxygen plasma on a specimen A method for determining the effects of exposure of oxygen plasma on a specimen such as a thin film polymer or thin metals. The method includes providing an apparatus with a chamber having a holder supporting the polymer specimen in a plasma environment p... | 09/03/1991 |
| 5033321 | Method and apparatus for measuring the degree of mixing in a turbulent liquid system A method and apparatus are disclosed for measuring the degree or rate of mixing in a turbulent liquid system. The method involves inserting into the liquid system a probe capable of responding to variations in a chemical or physical parameter which can va... | 07/23/1991 |
| 5011662 | Dissolution testing machine A dissolution testing machine has a container for a liquid and a holder for pellets, a support for supporting the holder within the container and a drive enabling the holder to be reciprocated via its support so that solvent flushes into and out of the ho... | 04/30/1991 |
| 5009112 | Method and apparatus for conducting field dissipation and leaching studies A method for conducting field dissipation and leachate studies of a test substance includes the step of positioning a boundary column for defining a soil test zone into the ground. This may be done by driving the column into the ground. Next is the step o... | 04/23/1991 |
| 5002072 | Cigarette manufacture A cigarette making machine includes one or more conveyor bands (12,14,28) or other parts of non-metallic material from which pieces can break off and become entrained in the tobacco, including means (30,42) for detecting such pieces in the tobacco by dire... | 03/26/1991 |
| 4967608 | Test chamber for particle emitters A test chamber is disclosed that permits standardized measurement of particles in the chamber environment. A device or structure that is suspected of the emitting particles and which is desired to be tested is located within the chamber. The chamber envir... | 11/06/1990 |
| 4964310 | Disintegration testing device A disintegration testing device for detecting the disintegration behavior of solid particles, in particular tablets, in a liquid, which comprises a supporting or holding device including a carrier which is movable in the upward and downward directions for... | 10/23/1990 |
| 4957012 | Predictive aging of polymers A method of predicting aging of polymers operates by heating a polymer in the outdoors to an elevated temperature until a change of property is induced. The test is conducted at a plurality of temperatures to establish a linear Arrhenius plot which is ext... | 09/18/1990 |
| 4945776 | Method of testing spliced portion of optical fibers In a method of testing a spliced portion of exposed fiber portions of optical fibers, the optical fibers are arranged with each other in line so that ends of the exposed fiber portions are spaced apart from each other by a predetermined distance. The ends... | 08/07/1990 |
| 4942769 | Method of testing cores The loading capacity of a core manufactured by reeling and gluing from paper or board layers, is tested by dynamically loading the core under conditions that simulate real life conditions. The core is mounted on a chuck, and the method is practiced by loa... | 07/24/1990 |
| 4924716 | Dissolution testing apparatus A dissolution testing apparatus which includes a rinsing stand, a test stand and a movable support member with a measuring vessel inclusive of an intake pipe and a filter. A filter stripping device is mounted to the support member by which the used filter... | 05/15/1990 |
| 4911028 | Apparatus and method for carrying out measurements on a bobbin of sheet material An apparatus and method for automatically stripping sheet material from a bobbin, measuring characteristics of the material and labelling the bobbin. The apparatus includes a delaminator pick-up device for securing a lamination layer of the material and p... | 03/27/1990 |
| 4899923 | High pressure bonding process Fabrication of the test structure is functionally illustrated in FIG. 9. More specifically, the first step in the process is to machine the cavity 40 in the third body of austenitic material 42, as functionally illustrated at reference numeral 80. After t... | 02/13/1990 |
