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| Number | Title | Issue Date |
| 5251266 | System for placement and mounting of fine pitch integrated circuit devices using a split mirror assembly A guidance type placement apparatus for placing and mounting integrated circuit (IC) components or devices, especially fine pitch integrated circuit devices (FPD), in aligned combination with printed circuit boards. The apparatus includes a mechanical pos... | 10/05/1993 |
| 4325006 | High pulse repetition rate coaxial flashlamp A coaxial flashlamp for pulsed operation at high repetition rates having an annular, light emitting discharge path between fluid cooled coaxially disposed, inner and outer optically transparent tubes. Electrodes are provided at opposite ends of the discha... | 04/13/1982 |
| 4311884 | Miniature sealed dual-in-line switch A miniature switch assembly of dual-in-line configuration having a plurality of switching chambers, each of the switching chambers having at least a pair of terminal lands disposed therein. Each switching chamber is sealed by means of an electrically-insu... | 01/19/1982 |
| 4302006 | Recreational device A recreational device which approximates the feel of downhill skiing without either skis or snow is described in which the device includes a rotatable outer tire and an inner ring which is carried by roller bearing means within the tire. The inner ring is... | 11/24/1981 |
| 4298436 | Method of forming insulated conductors in a conductive medium and article thus formed A method of forming a monolithic structure is disclosed in which insulated conductors are embedded in a block or body of conductive material. The conductors are built up on a conductive substrate selectively coated with a dielectric layer to form oversize... | 11/03/1981 |
| 4293827 | Multiwavelength dye laser The problems of collimating, synchronizing and combining a plurality of laser beams to generate a composite beam are substantially reduced by the use of one or more lasers especially adapted to lase in two or more separate wavelengths. Specifically, a com... | 10/06/1981 |
| 4292601 | Flashlamp excited fluid laser amplifier A flashlamp excited dye laser capable of high amplification and high pulse repetition rate. An active region of laser amplification is defined in a flowing dye by a long narrow channel created between confronting tube-shaped chambers. Laser excitation is ... | 09/29/1981 |
| 4290762 | Multiple link transmission chain A multiple link transmission chain composed of interconnected identical links, having identical ends which are angularly disposed with respect to each other by 90 degrees in relation to the longitudinal axis.... | 09/22/1981 |
| 4289932 | Conferencing communications system A telephone conferencing system in which all input signals are twice applied to a circulating signal loop firstly in real time and secondly delayed by an interval equal to the delay of the circulating loop. The delayed signal cancels the first applied sig... | 09/15/1981 |
| 4289624 | Apparatus for extracting solids from slurry This invention relates to apparatus for the extraction of solids from a liquid slurry or suspension of a type in which a reduced pressure chamber applies suction to a zone on one side of a sieve surface whereby solids may be urged against a corresponding ... | 09/15/1981 |
| 4288691 | Laser pulse shaping A system for temporal pulse shaping of laser radiation beams particularly for use as photoexcitation radiation in isotope separation. Each pulse of laser radiation is temporally segmented into two or more sections. The sections may be superimposed after a... | 09/08/1981 |
| 4288209 | Gas cigarette lighter with solar cell A gas cigarette lighter for igniting a liquified gas fed out of the combustion valve by applying electric sparks thereto which are generated by the discharge circuit connected to a secondary cell is provided with a solar cell as a supplementary electric s... | 09/08/1981 |
| 4287702 | Method and installation for packaging in a sterile medium A method of and an installation for packaging in a sterile medium employs a composite film constituted in a thermoplastic film in which containers are formed, and a covering film with their opposing faces sterile. These are separated at the entrance to a ... | 09/08/1981 |
| 4286152 | Collection shield for ion separation apparatus The ion separation electrodes in isotope separation apparatus are provided with removable collection shields to collect neutral particles which would normally pass through the ionization region. A preferred collection shield comprises a U-shaped section f... | 08/25/1981 |
| 4284169 | Bubble noise reduction A method and apparatus for reducing acoustic noise associated with the release of gases from a submerged device, such as a sea water battery. A flat piece of material, preferably polyurethane, is mounted onto the top of the device. The piece of material i... | 08/18/1981 |
| 4283600 | Recirculationless concert hall simulation and enhancement system A recirculationless concert hall simulation and enhancement system includes a reproduction system having a primary loudspeaker driven from a signal source and a number of auxiliary loudspeakers driven by sequentially delayed replicas of the original signa... | 08/11/1981 |
| 4283116 | Beam combiner An optical commutation system for commutating pulsed radiation between a common path of relatively high pulse rate and plural, closed spaced, slowly diverging paths on which the pulses are distributed. The system may thus act as a combiner or decombiner. ... | 08/11/1981 |
| 4283103 | Electrical crimp connector An electrical crimp connector has a plurality of two armed connecting elements made of a flat resilient contact material having a central slot. The main part of each slot extends from a widened entry aperture, is bounded by sharp edges and has a width les... | 08/11/1981 |
| 4282668 | Mounting system and method A spring-biased easily located frame clip mounting system is disclosed for "frameless" picture mounting in which a U-shaped clip is slipped over a backing, picture and glass sandwich and is held in place by a spring attached to a plow-type anchoring devic... | 08/11/1981 |
| 4282300 | Method for diazo copying of blue line originals A method and apparatus for producing a highly readable diazo copy from a blue line original. An illumination source provides actinic energy which is substantially absorbed by the blue image of a diazo blue line print and in which no substantial exposure o... | 08/04/1981 |
| 4282247 | 5-(2-Hydroxy-3-thiopropoxy) chromone-2-carboxylic acids chemical process and pharmaceutical compositions Anti-anaphylactic and anti-allergic 5-(2-hydroxy-3-thiopropoxy) chromone-2-carboxylic acids of the general formula ##STR1## wherein R is alkyl, alkenyl, hydroxyalkyl, cycloalkyl, cyclo-alkylalkyl, their alkali and alkaline-earth metal salts and 1-4 C... | 08/04/1981 |
| 4281885 | Line telecommunications cable end system A line telecommunications cable end system which is particularly suitable for installation in a rack, such as a casing, for supporting and fixing a lead-in cable end and for mounting terminal and/or isolating strips. The system comprises at least one pair... | 08/04/1981 |
| 4279541 | Stop end piece particularly for gutters A stop end piece for closing particularly gutters, comprises a plate having a peripheral channel which is formed by the bent peripheral edge of the plate and a portion extending along said edge, which portion protrudes from the plane of the plate in the s... | 07/21/1981 |
| 4279516 | Container for pasteurizing sludge A vertically standing, slender, cylindrical flow container with an upper intake connection for crushed raw sludge already heated to a pasteurization temperature and a lower outlet connection for pasteurized sludge. A slowly rotating guide member is incorp... | 07/21/1981 |
| 4279460 | Electrical crimp connector for making a connection between an insulated wire and connecting element An electrical crimp connector for making a connection between an insulated wire and a connecting element. The connecting element comprises two limbs which define a slot into which the wire can be inserted, the dimensions of the slot being such that the in... | 07/21/1981 |
| 4278390 | Garbage container truck A vehicle for transporting garbage containers or the like fron one place to another. The vehicle includes a mast which is disposed on a flat bed to the rear of a truck cab and which is capable of traveling longitudinally along the length of the truck bed ... | 07/14/1981 |
| 4276776 | Temperature/pressure transducer A temperature or pressure gauge capable of providing a magnified output indication of a respective sensed temperature or pressure of a fluid. Overlapping surfaces are movable relative to one another in response to sensed changes in temperature or pressure... | 07/07/1981 |
| 4276014 | Nozzle device for molding plastics A nozzle device used for injection-molding plastic products. In the present nozzle device, the hot runner may be formed into a block and set to a mold clamping mechanism irrespective of cavity mold. The device comprises a hot runner block of fixed length ... | 06/30/1981 |
| 4276603 | Diffusion furnace microcontroller An automatic microprocessor-based control system for a diffusion furnace in which the controller is dedicated to a single associated diffusion tube to provide all monitoring and control functions necessary for a variety of diffusion processes. The control... | 06/30/1981 |
| 4276517 | CO Pumped CO2 16 micron laser A CO2 medium is optically pumped by a five micron CO laser to the 03'0 level which radiates with 16 micron emission to the 02°0 level. The resulting 16 micron laser finds application in laser uranium enrichment operating to provide excitation ... | 06/30/1981 |
| 4275343 | Back EMF controlled permanent magnet motor A back EMF controlled, synchronous, permanent magnet motor capable of extremely high rotation speeds at high efficiency. The motor includes a permanent magnet flux source and excitation coils for producing a rotating magnetic field mounted on an iron free... | 06/23/1981 |
| 4274276 | Method and apparatus for producing a workpiece by extrusion molding A method for making a centrosymmetrical spider of a universal joint by extrusion molding involves pressing both end faces of a cylindrical blank the same distance towards the center of the blank to force the blank material radially outwards from the cente... | 06/23/1981 |
| 4273374 | Anchoring device for intravenous bottle holder A device is disclosed for anchoring an upright pole or other supporting means used to support an intravenous bottle holder, particularly for use in an emergency vehicle, such as an ambulance. The anchoring device is particularly useful to secure the upper... | 06/16/1981 |
| 4272702 | Fluorescent lamp A fluorescent lamp constituted by joining a pair of shells of glass that at least one of the shells is molded. A recess is formed on a portion of the jointing surface of the shells so as to become circular when the shells are overlapped each other. An exh... | 06/09/1981 |
| 4272662 | Toggle switch with shaped wire spring contact A sub-miniature switch having a pre-shaped wire spring contact movable to one of a plurality of operating positions. The pre-shaped wire spring contact performs the biasing and the detenting functions in addition to the contact function in the switch. Eit... | 06/09/1981 |
| 4272644 | Electronic hybrid circuit package A hybrid package which includes a plastic shell having an integral interior configuration for support of a ceramic substrate and terminal pins, and an encapsulate for rigid retention of the pins and for sealing of the package.... | 06/09/1981 |
| 4272639 | Helically wound heater A high temperature electrical resistance heater for use within a high temperature furnace. The heater comprises an elongated tubular element which includes a first axially extending helical section of high resistance and a second axially extending tubular... | 06/09/1981 |
| 4272295 | Starch-based adhesives This invention relates to a starch based adhesive comprising a lyophilic colloid, a partially gelatinized starch and water and to a process for manufacturing such adhesives comprising the steps of mixing a lyophilic colloid with a starch and water and the... | 06/09/1981 |
| 4270523 | Heat storage apparatus and heat exchanger element for use therein A heat storage apparatus comprising a plurality of heat exchanger elements mounted in a housing. Each element has a central portion containing a storage medium, surrounded by portions through which a first and a second heat transfer fluid can be passed in... | 06/02/1981 |
| 4269944 | Composition for forming an intumescent material An improvement in intumescent compositions is provided comprising, in part, melamine formaldehyde resin, a cross-linking agent, and a hydrophilic setting agent. The composition chemically absorbs water to yield an intumescent material with reduced crackin... | 05/26/1981 |
