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| Number | Title | Issue Date |
| 4857740 | Wire chamber A wire chamber or proportional counter device, such as Geiger-Mueller tube or drift chamber, improved with a gas mixture providing a stable drift velocity while eliminating wire aging caused by prior art gas mixtures. The new gas mixture is comprised of e... | 08/15/1989 |
| 4850693 | Compact portable diffraction moire interferometer A compact and portable moire interferometer used to determine surface deformations of an object. The improved interferometer is comprised of a laser beam, optical and fiber optics devices coupling the beam to one or more evanescent wave splitters, and col... | 07/25/1989 |
| 4838035 | Continuous cryopump with a method for removal of solidified gases An improved cryopump for the removal of gases from a high vacuum, comprising a cryopanel incorporating honeycomb structure, refrigerant means thermally connected to the cryopanel, and a rotatable channel moving azimuthally around an axis located near the ... | 06/13/1989 |
| 4831846 | Low temperature cryoprobe A portable, hand held probe usable within a small confine to produce a point source of nitrogen or helium at a relatively constant temperature of 77 degrees Kelvin.... | 05/23/1989 |
| 4780372 | Silicon nitride protective coatings for silvered glass mirrors A protective diffusion barrier for metalized mirror structures is provided by a layer or coating of silicon nitride which is a very dense, transparent, dielectric material that is impervious to water, alkali, and other impurities and corrosive substances ... | 10/25/1988 |
| 4774048 | Modular tokamak magnetic system A modular tokamak system comprised of a plurality of interlocking moldules. Each module is comprised of a vacuum vessel section, a toroidal field coil, moldular saddle coils which generate a poloidal magnetic field and ohmic heating coils.... | 09/27/1988 |
| 4761553 | Gaseous leak detector In a short path length mass-spectrometer type of helium leak detector wherein the helium trace gas is ionized, accelerated and deflected onto a particle counter, an arrangement is provided for converting the detector to neon leak detection. The magnetic f... | 08/02/1988 |
| 4760737 | Procedure for flaw detection in cast stainless steel A method of ultrasonic flaw detection in cast stainless steel components incorporating the steps of determining the nature of the microstructure of the cast stainless steel at the site of the flaw detection measurements by ultrasonic elements independent ... | 08/02/1988 |
| 4733085 | Photosensitive dopants for liquid noble gases In an ionization type detector for high energy radiation wherein the energy of incident radiation is absorbed through the ionization of a liquid noble gas and resulting free charge is collected to form a signal indicative of the energy of the incident rad... | 03/22/1988 |
| 4712063 | Method and apparatus for measuring areas of photoelectric cells and photoelectric cell performance parameters A laser scanning system for scanning the surface of a photovoltaic cell in a precise, stepped raster pattern includes electric current detecting and measuring equipment for sensing the current response of the scanned cell to the laser beam at each stepped... | 12/08/1987 |
| 4691075 | Energy conversion system The energy conversion system includes a photo-voltaic array for receiving solar radiation and converting such radiation to electrical energy. The photo-voltaic array is mounted on a stretched membrane that is held by a frame. Tracking means for orienting ... | 09/01/1987 |
| 4687560 | Method of synthesizing a plurality of reactants and producing thin films of electro-optically active transition metal oxides A method of synthesizing electro-optically active reaction products from a plurality of reactants by inducing a reaction by plasma deposition among the reactants. The plasma reaction is effective for consolidating the reactants and producing thin films of... | 08/18/1987 |
| 4683154 | Laser sealed vacuum insulation window A laser sealed evacuated window panel is comprised of two glass panes held spaced apart in relation to each other by a plurality of spherical glass beads and glass welded around the edges to provide an evacuated space between the glass panes that is compl... | 07/28/1987 |
| 4651017 | Wind energy conversion system The wind energy conversion system includes a wind machine having a propeller connected to a generator of electric power, the propeller rotating the generator in response to force of an incident wind. The generator converts the power of the wind to electri... | 03/17/1987 |
| 4650919 | Thermoelectric generator and method for the fabrication thereof A thermoelectric generator using semiconductor elements for responding to a temperature gradient to produce electrical energy with all of the semiconductor elements being of the same type is disclosed. A continuous process for forming substrates on which ... | 03/17/1987 |
| 4650541 | Apparatus and method for the horizontal, crucible-free growth of silicon sheet crystals Apparatus for continuously forming a silicon crystal sheet from a silicon rod in a noncrucible environment. The rod is rotated and fed toward an RF coil in an inert atmosphere so that the upper end of the rod becomes molten and the silicon sheet crystal i... | 03/17/1987 |
| 4645308 | Low voltage solid-state lateral coloration electrochromic device A solid-state transition metal oxide device comprising a plurality of lay having a predisposed orientation including an electrochromic oxide layer. Conductive material including anode and cathode contacts is secured to the device. Coloration is actuated ... | 02/24/1987 |
| 4643168 | Liquid cooled fiber thermal radiation receiver A radiation-to-thermal receiver apparatus for collecting radiation and converting it to thermal energy is disclosed. The invention includes a fibrous mat material which captures radiation striking the receiver. Captured radiation is removed from the fibro... | 02/17/1987 |
| 4626832 | Solar system fault detection A fault detecting apparatus and method are provided for use with an active solar system. The apparatus provides an indication as to whether one or more predetermined faults have occurred in the solar system. The apparatus includes a plurality of sensors, ... | 12/02/1986 |
| 4614564 | Process for selectively patterning epitaxial film growth on a semiconductor substrate A process is disclosed for selectively patterning epitaxial film growth on a semiconductor substrate. The process includes forming a masking member on the surface of the substrate, the masking member having at least two layers including a first layer disp... | 09/30/1986 |
| 4613519 | Electron-beam-induced information storage in hydrogenated amorphous silicon device A method for recording and storing information in a hydrogenated amorphous silicon device, comprising: depositing hydrogenated amorphous silicon on a substrate to form a charge-collection device; and generating defects in the hydrogenated amorphous silico... | 09/23/1986 |
| 4599517 | Disposable rabbit A disposable rabbit for transferring radioactive samples in a pneumatic transfer system comprises aerated plastic shaped in such a manner as to hold a radioactive sample and aerated such that dissolution of the rabbit in a solvent followed by evaporation ... | 07/08/1986 |
| 4597360 | Salinity driven oceanographic upwelling The salinity driven oceanographic upwelling is maintained in a mariculture device that includes a long main duct in the general shape of a cylinder having perforated cover plates at each end. The mariculture device is suspended vertically in the ocean suc... | 07/01/1986 |
| 4576201 | Multi-port valve assembly A multi-port fluid valve apparatus is used to control the flow of fluids through a plurality of valves and includes a web, which preferably is a stainless steel endless belt. The belt has an aperture therethrough and is progressed, under motor drive and c... | 03/18/1986 |
| 4572812 | Method and apparatus for casting conductive and semiconductive materials A method and apparatus is disclosed for casting conductive and semiconduce materials. The apparatus includes a plurality of conductive members arranged to define a container-like area having a desired cross-sectional shape. A portion or all of the conduc... | 02/25/1986 |
| 4572864 | Composite materials for thermal energy storage The present invention discloses composite material for thermal energy storage based upon polyhydric alcohols, such as pentaerythritol, trimethylol ethane (also known as pentaglycerine), neopentyl glycol and related compounds including trimethylol propane,... | 02/25/1986 |
| 4564720 | Pure silver ohmic contacts to N- and P- type gallium arsenide materials Disclosed is an improved process for manufacturing gallium arsenide semiconductor devices having as its components an n-type gallium arsenide substrate layer and a p-type gallium arsenide diffused layer. The improved process comprises forming a pure silve... | 01/14/1986 |
| 4552438 | Cable tensioned membrane solar collector module with variable tension control Disclosed is a solar collector comprising a membrane for concentrating sunlight, a plurality of elongated structural members for suspending the membrane member thereon, and a plurality of control members for adjustably tensioning the membrane member, as w... | 11/12/1985 |
| 4547432 | Method of bonding silver to glass and mirrors produced according to this method A method for adhering silver to a glass substrate for producing mirrors includes attaining a silicon enriched substrate surface by reducing the oxygen therein in a vacuum and then vacuum depositing a silver layer onto the silicon enriched surface. The sil... | 10/15/1985 |
| 4529710 | Method of using a nuclear magnetic resonance spectroscopy standard (CH3)3 SiNSO is produced by the reaction of ((CH3)3 Si)2 NH with SO2. Also produced in the reaction are ((CH3)3 Si)2 O and a new solid compound [NH4 ... | 07/16/1985 |
| 4527005 | Spring loaded thermocouple module A thermocouple arrangement is provided for mounting in a blind hole of a specimen. The thermocouple arrangement includes a cup-like holder member, which receives an elongated thermal insulator, one end of which is seated at an end wall of the holder. A pa... | 07/02/1985 |
| 4496836 | Device for identifying a circumferential position A device is described which accurately and reproducibly identifies points on the circumference of a non-vertical pipe for use as reference marks for pipe inspections. The device comprises a light-permeable disk-shaped chamber having a plurality of pockets... | 01/29/1985 |
| 4487196 | Focusing solar collector and method for manufacturing same Disclosed is a solar collector comprising an annular-shaped frame and a composite membrane member for concentrating and focusing sun radiation. The composite membrane member is supported and tensioned by the frame and consists of first and second differen... | 12/11/1984 |
| 4475682 | Process for reducing series resistance of solar cell metal contact systems with a soldering flux etchant Disclosed is a process for substantially reducing the series resistance of a solar cell having a thick film metal contact assembly thereon while simultaneously removing oxide coatings from the surface of the assembly prior to applying solder therewith. Th... | 10/09/1984 |
| 4458927 | Ferrules seals A device is provided for sealing an inner tube and an outer tube without excessively deforming the tubes. The device includes two ferrules which cooperate to form a vacuum-tight seal between the inner tube and outer tube and having mating surfaces such th... | 07/10/1984 |
| 4459421 | Method of preparing (CH3)3 SiNSO and byproducts thereof (CH3)3 SiNSO is produced by the reaction of ((CH3)3 Si)2 NH with SO2. Also produced in the reaction are ((CH3)3 Si)2 O and a new solid compound [NH4 ... | 07/10/1984 |
| 4452755 | Fuel rod retention device for a nuclear reactor A device is described for supporting a nuclear fuel rod in a fuel rod assembly which allows the rod to be removed without disturbing other rods in the assembly. A fuel rod cap connects the rod to a bolt which is supported in the assembly end fitting by me... | 06/05/1984 |
| 4432225 | Detection system for a gas chromatograph A method and apparatus are described for the quantitative analysis of vaporizable compounds, and in particular of polycyclic aromatic hydrocarbons which may be induced to fluoresce. The sample to be analyzed is injected into a gas chromatography column an... | 02/21/1984 |
| 4431499 | Method of sputter etching a surface The surface of a target is textured by co-sputter etching the target surface with a seed material adjacent thereto, while the target surface is maintained at a pre-selected temperature. By pre-selecting the temperature of the surface while sputter etching... | 02/14/1984 |
| 4414085 | Method of depositing a high-emissivity layer A method of depositing a high-emissivity layer on a substrate comprising RF sputter deposition of a carbide-containing target in an atmosphere of a hydrocarbon gas and a noble gas. As the carbide is deposited on the substrate the hydrocarbon gas decompose... | 11/08/1983 |
