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| Number | Title | Issue Date |
| 4243523 | Water purification process and system Apparatus is described for purifying or desalinating relatively small quantities of water using one or a few membrane units with relatively modest power requirements. The apparatus uses a pump, an eductor or a combination of both in recirculating a portio... | 01/06/1981 |
| 4242940 | Fluid operated control device A fluid operated control device which co-operates with reciprocating means, such as a pneumatically driven shaft. The device includes a main cylinder and piston backed at each end by valves which each include auxiliary cylinders and pistons. The valves pr... | 01/06/1981 |
| 4230574 | Method for filtering frying oil An improved apparatus and method for filtering frying oil in a cooker apparatus includes the steps of adding diatomaceous earth to oil in the cooking vessel; draining the oil into a drain pan; drawing the oil through a filter positioned in said drain pan,... | 10/28/1980 |
| 4230547 | Method for separating krypton isotopes Methods and apparatus for separating krypton isotopes utilizing low temperature selective infrared excitation of 85 krypton difluoride in an isotopic compound mixture. Multiphoton IR excitation and UV excitation techniques are used, as well as ... | 10/28/1980 |
| 4228382 | Power regulating inverter circuit A means for regulating the power of a fluorescent tube in a vehicle supplied by a DC source by providing the control circuit of an oscillator transistor of an inverter with an adjustable RC circuit. Even very much dimmed tubes can be lighted with the use ... | 10/14/1980 |
| 4224801 | Stored cryogenic refrigeration A holding chamber may be supplied from a storage vessel system with a cryogen, such as liquid CO2, or it may itself be large enough to take the place of a separate storage vessel. The temperature within the holding chamber is reduced to the tri... | 09/30/1980 |
| 4221182 | Fluidized bed gas coating apparatus Apparatus for suspending particles in a fluidized bed within a coating chamber where the particles are coated with a substance contained in a reactant gas introduced into the chamber by means of a centrally arranged nozzle extending upwardly from the coat... | 09/09/1980 |
| 4220906 | Dielectric thermal power converter A method and apparatus is disclosed for use in converting heat to electrical energy and comprises a plurality of capacitors which have a temperature dependent capacitance. Heat is used to decrease the dielectric constant in the capacitors causing charge t... | 09/02/1980 |
| 4220425 | Method and apparatus for assisting pneumatic conveyors utilizing vacuum Apparatus for assisting the pneumatic conveying of generally dry particulate matter through a closed conduit is disclosed. The apparatus is for use where vacuum pressure applied at one end of the conduit creates a suction force which moves the dry particu... | 09/02/1980 |
| 4219692 | Electric furnace heater assembly A free-standing, electric heater assembly for an electric furnace includes a heating element support structure of refractory material in the shape of an I-beam. Ceramic rods are inserted through holes in the I-beam web and cemented in place to support the... | 08/26/1980 |
| 4219283 | Container having an interiorly telescoping dispensing member A removable closure for a hollow container carries a member for dispensing the contents of the container and the member is mounted on the closure for movement between a retracted position within the container when the closure is secured on the container a... | 08/26/1980 |
| 4218439 | Peptide which inhibits gonadal function A method for preventing reproduction by administering to male mammals a peptide which inhibits the secretion of gonadotropins by the pituitary gland and inhibits the release of steroids by the gonads. The peptide has the structure:... | 08/19/1980 |
| 4217695 | Hair length measuring apparatus A hair length measuring apparatus includes a measuring roller and holding clamp operatively mounted on a handle, said holding clamp holding against said roller the hair being measured, such that as said handle is moved along the length of said hair, said ... | 08/19/1980 |
| 4217174 | Manufacture of nuclear fuel compacts Nuclear fuel rods are manufactured utilizing a graphite flour-pitch matrix formulation containing an additive. The matrix formulation has a decreased viscosity at fabrication temperatures which permits manufacture of the fuel rods with lower fabrication p... | 08/12/1980 |
| 4217171 | Blanket design for imploding liner systems Blanket designs comprising hot, molten, rotating liquid vortex systems suitable for rapidly compressing confined plasmas, in which stratified immiscible liquid layers having successively greater mass densities outwardly of the axis of rotation are provide... | 08/12/1980 |
| 4216529 | Fluid dispensing control system A system for monitoring and controlling the operation of a plurality of fluid dispensers, such as gasoline pumps or the like in a self-service gasoline station is disclosed. The system includes an operating console that may be located in a station buildin... | 08/05/1980 |
| 4216243 | Yogurt beverage and method for manufacture thereof A sweetened fluid yogurt beverage having a relatively low acidity which will remain stable during storage without separation is provided. A base mix of non-fat milk solids, fat and sugar is provided. The base mix is inoculated with a yogurt culture and is... | 08/05/1980 |
| 4216141 | Method for cyclization of peptides Peptides containing a disulfide bond between two cysteine residues are formed by an oxidation process. The oxidation step is accomplished under conditions whereby the sulfhydryl concentration in a reaction mixture is maintained at substantially zero durin... | 08/05/1980 |
| 4215038 | Peptides which inhibit gonadal function Peptides which inhibit the secretion of gonadotropins by the pituitary gland and inhibit the release of steroids by the gonads. The peptides have the structure: wherein R1 is selected from the group consisting of D-pGlu, D-Pro, D-Trp, D-His, D-... | 07/29/1980 |
| 4213896 | Rennet casein and method for treatment thereof Rennet casein is added to water to provide a casein dispersion. An orthophosphate salt of a monovalent cation is added to the casein dispersion so as to solubilize the casein. A rennet casein product is then recovered. In a preferred embodiment, a magnesi... | 07/22/1980 |
| 4212231 | Method of making a promotional novelty device A pop-up item for promotional purposes wherein a cover panel and a back panel, hinged to each other along a straight line, sandwich a die-cut panel in which are formed a plurality of interconnected coupons and at least two tabs. One tab is joined to the c... | 07/15/1980 |
| 4212094 | Belt fasteners A plurality of belt fasteners are joined together by intermediate bridging portions which may break off and leave the adjacent belt fastener edges spaced from each other by the width of the bridging portions when the belt is in use. The preferred fastener... | 07/15/1980 |
| 4211693 | Peptides with para-substituted phenylalanine Somatostatin peptides are modified by substitution of para-methoxylated Phe or para-halogenated Phe for any Phe in the peptide. The modified somatostatin peptide analogs have the formulae: ##STR1## wherein R is hydrogen or an acyl group; R1 | 07/08/1980 |
| 4211519 | Fluid pump and quick release mounting arrangement therefor A peristaltic pump is disclosed having two identical hingedly connected housing sections defining mating surfaces substantially coplanar with the hinge axis and the longitudinal axis of the housing to facilitate easy opening of the housing sections for lo... | 07/08/1980 |
| 4211085 | Systems for supplying tanks with cryogen A system for filling transportable tanks with a cryogen, such as low pressure liquid carbon dioxide. A holding chamber is supplied with liquid CO2 from a storage vessel system, and the pressure of liquid CO2 is reduced to the triple ... | 07/08/1980 |
| 4210273 | Bottom-unloading bulk container A bottom-unloading bulk container having a bottom closure and having a top closure that includes flaps hinged to the body walls. Openings in the side walls are proportioned to receive the tines of a forklift truck. These openings are located a predetermin... | 07/01/1980 |
| 4209548 | Method for the preparation of blood samples for automated analysis A method for preparing blood samples containing red blood cells for automated analysis wherein the blood sample on a slide is spun to create a monolayer of randomly distributed red blood cells. To inhibit cell morphology distortions from occurring during ... | 06/24/1980 |
| 4208931 | Method and apparatus for cutting blocks of bulk material A method and apparatus for cutting blocks of bulk material such as cheese and the like into slabs and bars wherein an elongate cutter filament is supported by and between supply and take-up spools so as to extend transversely of a slab cutting station ada... | 06/24/1980 |
| 4208396 | Oxygen recovery from gas mixtures Substantially pure O2 is recovered from a gaseous mixture containing O2 and another gas, such as SO2 or NH3. An O2 --SO2 mixture is injected into a substantially vertical reaction zone to w... | 06/17/1980 |
| 4207833 | Protected conveyor system A protected conveyor for a spray chamber or spray booth is provided with a pressurized housing and an air curtain means which substantially isolates the conveyor from the deleterious fluids within the spray booth and substantially isolates the articles fr... | 06/17/1980 |
| 4207723 | Canning and inspection system for nuclear reactor fuel and reflector elements A system is disclosed for canning, inspecting and transferring to a storage area fuel and reflector elements from a nuclear reactor, which system includes a transfer chute, environmental chamber, conveyor and canning mechanism operative to remove and repl... | 06/17/1980 |
| 4207311 | Peptides having analgesic and thermoregulative properties Peptides having thermoregulative properties when administered to animals. The peptides are identified by the structure: R1 -R2 -Trp-Ala-Val-R3 -His-R4 -R5 -NH2 wherein: R1 is selected... | 06/10/1980 |
| 4206579 | Carton closure outfolder Apparatus for automatically outfolding the leading and trailing gusset panels of the end closure of a rectangular carton being moved along a predetermined path on a continuous conveyor. First and second arms are attached to a vertical shaft and to a sleev... | 06/10/1980 |
| 4206052 | Multi stage flocculation treatment system Systems for flocculation processing in water purification treatment in which a first jet flash mixing field of relatively high specific energy requirement and turbulence intensity is provided for intimate mixture of the flocculant and influent water to pr... | 06/03/1980 |
| 4204652 | Retractor with a cover attached to a slide plate A method and apparatus employing the method are disclosed for attaching a plastic cover to a safety belt retractor frame. A plastic cover having a pair of spaced legs is attached to a seat belt retractor frame by inserting the legs through an opening in t... | 05/27/1980 |
| 4204572 | Devices for cleaning heating batteries In batteries of tubes conducting a heating fluid air is led through the spaces between the tubes, to be heated for use in grain drying installations or the like. Airborne dust and impurities form deposits on the tubes and impair heat transmission. The dep... | 05/27/1980 |
| 4204542 | Multistrand carbon coated sutures Multistrand carbon coated sutures comprising a plurality of small diameter fibers having a tensile modulus of at least about 2×106 psi, and a thin, smooth, adherent, isotropic carbon coating on the substrate fiber having particular properties ... | 05/27/1980 |
| 4204513 | Hydraulic safety mechanism Three embodiments of a hydraulic safety mechanism are adapted to adjust the speed setting for an engine upon a reduction of pressure in a chamber, due for example, to loss of lubricating pressure, overspeeding of the engine or overheating, for example. In... | 05/27/1980 |
| 4203320 | Testing apparatus for multiple copy form sets Apparatus for testing the fitness of the multiple copy sets for handwritten copies. The form set to be tested is placed on an inclined supporting plate and is clamped to the supporting plate by a slotted hold down plate. A writing instrument, which includ... | 05/20/1980 |
| 4203004 | Strain relief A strain relief for an electrical conductor cord is disclosed for distributing a bending stress acting on the cord. The strain relief includes a head portion and a flexible tail portion molded about a conductor having a major transverse axis of greater di... | 05/13/1980 |
