Matches 201 - 250 out of 330 < 1 2 3 4 5 6 7 >
Match Document Document Title
3839638 FLUORESCENT MARKER  
A means for locating (search and rescue), and enabling surveillance of, acles, and the identification of reference points, particularly on water and at night, in which a laser is used to illuminate...
3839639 AUTOMATIC NIGHT SEARCH AND RESCUE SYSTEM  
An automatic means for locating (search and rescue), and enabling surveilce of, articles, and the identification of reference points, particularly on water and at night, in which a laser is used to...
3835782 PRODUCT AND METHOD  
An explosive device including means permitting identification of the explosive source or manufacturer even following detonation, and a method of identifying the source or manufacturer of an...
3829690 METHOD AND APPARATUS FOR THE EXAMINATION OF ARTICLES FOR DEFECTS  
A method for examining the upper part of a glass vessel for defects comprises the steps of applying a fluorescent material to selected surfaces of the upper part of the vessel while inhibiting the...
3826917 REVERSE MAGNETIC INSPECTION METHOD  
Method for nondestructive magnetic inspection of an object for detecting defects and discontinuities in the surface thereof, by applying a coating, preferably an organic coating, containing a...
3825821 MAGNETIC PARTICLE FLAW DETECTOR USING AN ELECTRON BEAM SCANNER TO GENERATE PULSES REPRESENTATIVE OF THE IMAGE OF THE FLOW PROJECTED ON THE SCANNER SCREEN  
In testing ferromagnetic bodies for surface defects by magnetic powder techniques, an image of a magnetized test body treated with magnetic powder is formed on the screen of an electron beam...
3818226 IDENTITY DOCUMENT AND A METHOD AND AN APPARATUS FOR CHECKING SUCH A DOCUMENT  
An identity document contains a small quantity of a non-radioactive trace element. The trace element may be an element which absorbs thermal neutrons. In this case the identity document is checked...
3808434 METHOD OF DETECTING FLAWS IN PLATED-THROUGH-HOLES OF CIRCUIT MODULES USING ULTRAVIOLET LIGHT  
A circuit module has copper sheets or conductors bonded to opposite sides of a fluorescent insulating sheet with metal plated-through-holes connecting conductors on opposite sides of the insulating...
3803051 DEVELOPER COMPOSITION FOR PENETRANT INSPECTION  
Dry developer composition in powder form for use in penetrant inspection of surface flaws in bodies, consisting essentially of alumina, silica, talc and titanium dioxide. The resulting powder...
3796883 METHOD FOR MONITORING GRAVEL PACKED WELLS  
The effectiveness and competency of a well gravel pack and changes therein are determined by monitoring the location of radioactive pellets within the gravel pack. The size and specific gravity of...
3789221 DYE PENETRANT COMPOSITION AND METHOD UTILIZING SAME  
Method for detecting cracks and flaws in the surfact of an object or part, employing a dye penetrant composition which, following application of the dye penetrant composition to the part surface,...
3786255 DYE PENETRANT COMPOSITION AND METHOD OF APPLICATION  
Method for detecting cracks and flaws in the surface of an object or part, employing a dye penetrant composition which, following application of the dye penetrant composition to the part surface,...
3781556 NEUTRON ACTIVATION ANALYSIS SYSTEM  
A neutron activation analysis system for monitoring a generally fluid media, such as slurries, solutions, and fluidized powders, includes two separate conduit loops for circulating fluid samples...
3777143 WATER-BASE FLAW DETECTION METHOD  
A method of detecting flaws in metallic and other insoluble surfaces which method utilizes a normally solid composition with coloring in a hot aqeuous solution. The hot aqueous solution is applied...
3774030 DEFECT DETECTING AND INDICATING MEANS FOR NON-DESTRUCTIVE TESTING  
Defect detecting and indicating means for magnetic particle or penetrant systems in which defect indications are produced on the surface of a part. In one arrangement, radiant energy is impinged...
3770957 METHOD AND MEANS OF SELECTIVE REMOVAL OF BACKGROUND INDICATIONS IN STABILIZED WATER-WASHABLE INSPECTION PENETRANT PROCESSES  
An improvement in the water-washable inspection penetrant process wherein a "stabilized" background-producing water-washable inspection penetrant is employed and the water-wash step is modified to...
3764811 METHOD OF TESTING FOR LEAKS IN LOW DENSITY ARTICLES  
Plastic foam carburetor floats are inspected for leaks by subjecting the floats to a radiopaque solution (e.g., zinc chloride), under pressure to impregnate those floats having leaks, then...
3761720 METHOD OF LOCATING DEFECTS IN A HIGH-VOLTAGE INSULATING TUBE  
Defects causing backstreaming of electrons in a Van de Graaff generator are located by determining the end-point energy of the X-ray spectrum resulting from the stopping of these electrons, taking...
3754138 INNER LAYER POSITION MEASUREMENT  
Apparatus and method for measuring the position of a layer disposed within a tire ply, which material contains metallic particles. The inner layer is metal or is coded by providing metallic...
3749134 RADIOGRAPHICALLY OPAQUE PLASTIC TUBING  
Flexible radiographically opaque plastic tubing for use as an X-ray catheter. The tubing is transparent to visible light and is rendered X-ray opaque by the incorporation of a diol of...
3748470 IMAGING SYSTEM UTILIZING SPATIAL CODING  
An imaging system suitable for use with high energy nuclear particles or photons such as gamma radiation and X-radiation. The system provides means for illuminating an object with radiation as well...
3741198 RADIOLOGICAL DIAGNOSTIC METHOD  
A radiological diagnostic method is provided in which a radiopaque ferrofluid is injected into a body system which is to be studied, such as the subarachnoid space surrounding the spinal cord. The...
3735131 FLUORESCENT PENETRANT COMPOSITION AND METHOD  
An Oil-Base Water-Absorbing Fluorescent Dyestuff Carrying Fluid used for testing metal which not only locates surface defects such as cracks but distinguishes between flaw depths and, consequently,...
3727048 CHEMICAL TRACER METHOD OF AND STRUCTURE FOR DETERMINATION OF INSTANTANEOUS AND TOTAL FLUID FLOW MASS AND VOLUME  
Total mass flow of a fluid component is determined by structure for and the method of inserting a chemical tracer into a flowing fluid at a known mass flow rate, removing a mixed sample of the...
3725658 APPARATUS AND METHOD FOR CONTINUOUSLY DETECTING OXYGEN IN A GAS STREAM  
An apparatus and method for continuously detecting oxygen in a carrier gas stream. The apparatus employs a sensor film comprising a fluorescent material emitting from 3000 - 8000 A, dissolved in a...
3721528 METHOD AND APPARATUS FOR MEASURING THE AMOUNT OF A COMPONENT IN A BIOLOGICAL FLUID  
An improved mode of preparing certain reagents utilized in the measurement of components of biological fluids. In the general mode contemplated, there is added to the biological fluid, which...
3720761 INJECTABLE RADIO-PHARMACEUTICAL SCANNING AGENT AND PREPARATION  
A formation for pharmaceutical preparations and method for preparing same which is characterized by the use of the two through seven carbon polyhydric alcohols to stabilize solid particles...
3716492 BIODEGRADABLE COMPOSITION FOR DETECTING SURFACE DISCONTINUITIES  
A water washable, non-gelling colored liquid penetrant consisting essentially of a methyl ester of a fatty acid, a nonionic surfactant and a fluorescent dye, the methyl ester and the nonionic...
3711714 DEVICE FOR DETERMINING THE NEUTRON FLUX DISTRIBUTION IN A NUCLEAR REACTOR  
Stationary evaluating means is positioned outside the nuclear reactor in operative proximity with the transfer tubes extending into the reactor. The evaluating means measures the activity of...
3704370 RADIOGRAPHIC INSPECTION TECHNIQUE  
A contrast enhancement technique for use in radiography involves impregnating material to be inspected by nondestructive radiographic techniques with a tetrabromoethane prior to carrying out the...
3699342 METHOD AND APPARATUS FOR DETECTING TRACER GAS  
A method and apparatus for detecting the presence of an halogenated tracer gas, which is an electron absorber, in an environment which is itself, or comprises as a constituent, an electron...
3684377 METHOD FOR ANALYSIS OF BLOOD BY OPTICAL ANALYSIS OF LIVING CELLS  
Dye composition for differential blood analysis of living white cells including an aqueous solution of acridine orange, and having a pH factor and osmolality within normal physiological ranges for...
3683336 FORMATION OF VISIBLE AND/OR FLUORESCENT IMAGES  
Method of processing information by the use of derivatives of aromatic compounds which do not fluoresce, but which may be converted to fluorescent compounds by the action of heat or short wave...
3678148 RADIOACTIVE SLIDE SPECIMEN ANALYSIS OF AND METHOD OF PREPARATION  
A slide specimen of exfoliated cells is prepared in the usual manner for microscopic optical examination of a Papanicolaou Test, up to the point of staining. At this stage, instead of the ordinary...
3675015 ABHESIVE PATTERN DETECTOR SYSTEM  
A system for detecting the location and uniformity of a coating on a substrate is provided. The process comprises the steps of adding a fluorescent dye material to the coating material, coating the...
3654468 RADIATION MEASUREMENT SYSTEM WITH MOSFET ELECTROMETER CIRCUIT WHICH IS PROTECTED AGAINST VOLTAGE TRANSIENTS  
A radiation measurement system includes an electrometer circuit employing a metal-oxide-semiconductor device as an active element for amplifying a minute d.c. input signal from a radiation detector...
3652225 COLOR METHOD FOR DETECTING CRACKS IN METAL BODIES  
A nondestructive color method for detecting cracks in a metal body by selective corrosion of the surface portion within the cracks. Specifically, a color-forming aqueous acid indicating solution...
3652226 ANODIC INHIBITOR-COLOR METHOD FOR DETECTING CRACKS IN METAL BODIES  
A nondestructive color method for detecting cracks in a metal body by selective corrosion of the surface portion within the cracks. Specifically, a color-forming electrolyte containing halide ions,...
3652224 METHOD FOR DETECTING CRACKS IN METAL BODIES  
A nondestructive method for detecting cracks in a metal body by selective corrosion of the surface portion within the cracks to enlarge them sufficiently so that they can then be detected by...
3624397 RADIOGRAPHIC METHOD FOR THE DETECTION OF RESIDUAL CORE MATERIAL COMPRISING THE USE OF RADIOGRAPHICALLY DETECTABLE POWDER  
Method of detecting the presence of core material in a cored casting comprising injecting a radiographically detectable powder into the passages of the hollow casting, vibrating the casting to aid...
3622784 SENSOR-ANALYZER SYSTEM WITH MEANS FOR SELECTING OUTPUT SIGNALS CORRESPONDING TO ACCURATELY POSITIONED SENSORS  
An apparatus for monitoring the condition of body organs comprises detector means having a plurality of sensors, each of the sensors being effective to detect the condition of a body organ and to...
3607784 METHOD OF REMOVING EXCESS PENETRANT FROM THE SURFACE OF A WORKPIECE  
A liquid remover composition for the removal of a film of excess liquid penetrant from the surface of a workpiece undergoing inspection for surface discontinuities. The remover composition is a...
3607333 DEVELOPERS FOR INSPECTION PENETRANTS EMPLOYING FUSIBLE WAXES  
A high-sensitivity, high-resolving power inspection penetrant developer in which the active developing ingredient is a waxy substance which is a solid or near-solid at room temperature, but which...
3597611 METHOD AND APPARATUS FOR DETECTING GAS LEAKS USING RADIOACTIVE TECHNIQUES  
A gas leak detector for use where a trace of radioactive gas is mixed with a functional gas, the leak rate of which is to be determined, and including means to cause the flow of a portion of an...
3567932 FLUORESCENT TRACER PROCESSES EMPLOYING A FLUORESCENT EUROPIUM CHELATE  
An inspection process and inspection tracer compositions which utilize fluorescent coordination compounds dissolved in liquid or resinous carriers. The fluorescent metal-organic coordination...
3564249 REVERSE PENETRANT METHOD AND MEANS  
In a liquid dye penetrant system, conventional daylight visible bleeding dye penetrant is initially applied to a test surface, and cleaned therefrom leaving residual dye penetrant within cracks and...
3558886 METHOD OF DISCOVERING IMPERFECTIONS IN BONDED LAMINATED STRUCTURES  
The method of making and recording a nondestructive test of a bonded and/or brazed structure wherein a temperature sensitive coating is applied to the surface of the test structure after which heat...
3558882 WATER MISCIBLE PENETRANT REMOVER  
A liquid composition for the removal of residual films of an oil-based colored penetrant, especially a fluorescent penetrant, from the surface of a workpiece undergoing tests for surface...
3547827 COMPOSITIONS FOR NON-VISIBLE PENETRANT METHODS OF FLAW DETECTION  
3546127 FLUORESCENT PENETRANT FOR AND METHOD OF DETECTING SURFACE DISCONTINUITIES  
Matches 201 - 250 out of 330 < 1 2 3 4 5 6 7 >