Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 5047677 | Aluminum disk motor having thermal compensation and magnetic sealing A motor for driving a magnetic disk in which the rotational center of the magnetic disk is a fixed shaft. The motor has a frame, a shaft formed integral with the frame, an armature, a bearing provided on the shaft, a hub to which a magnetic disk is secura... | 09/10/1991 |
| 5033735 | Aquatic exercise device An aquatic exercise device wherein several embodiments are disclosed. The first embodiment utilizing a unitary aquatic exercise device which is adaptable for use with a conventional pool ladder. The second embodiment is directed to a unitary aquatic exerc... | 07/23/1991 |
| 5034287 | Fuel cell cooling using heat of reaction A fuel cell is cooled by circulating a stream through the cell, the stream containing a reactive material which undergoes an endothermic reaction within the fuel cell, absorbing waste heat. The material, upon leaving the fuel cell, passes through a regene... | 07/23/1991 |
| 5025963 | Anti-theft hanger for garments, for use in stores or cloakrooms This invention relates to an anti-theft hanger for garments, adapted to be used in stores or cloakrooms, comprising a support whose shape matches that of the garment to be hung up on the hanger, a hook located in the central part of the hanger passing aro... | 06/25/1991 |
| 5024352 | Apparatus for the automatic determination of a continuous bulk material throughput by a continuous balance A method and apparatus for the automatic determination of a continuous bulk material through a continuous balance wherein a weighing vessel, an adjustable closure member movable in the weighing vessel for adjusting an outlet cross-section of the weighing ... | 06/18/1991 |
| 5021140 | Ion-selective electrode An ion-selective electrode comprises a non-conductive support, an inner reference electrode and an ion-selective layer mounted in this order. A surface of the ion-selective layer is covered with a material which forms a contact angle of at least 90° with... | 06/04/1991 |
| 5004541 | Fluid purification system A fluid purification system includes an elongated ultraviolet radiation emitting tube and independent fluid flow-controlling conduits. Each conduit is transparent to allow ultraviolet light emitted by the tube to enter the conduit, and defines a continuou... | 04/02/1991 |
| 5004685 | Dry-type multilayer analytical element A dry-type multilayer analytical element containing a color reagent composition comprising an oxidase specifically reaction with an analyte or derived therefrom to produce hydrogen peroxide, hydrogen peroxide-decomposing enzyme, an alkali metal salt of fe... | 04/02/1991 |
| 4999038 | Filter unit The present invention relates to a filter unit having a sheet of filtering material mounted on a first frame and a second frame received within and below the first frame. The second frame is configured such that the filtering material is tightly held betw... | 03/12/1991 |
| 4997119 | Tearing device for bands of sheet materials, such as paper bands Tearing device for the tearing off of a band (26) in a desired point provided with a zone (90) arranged to make the tearing easier, such as a weakening by means of perforations or slits provided along a predetermined line, comprising at least a first pair... | 03/05/1991 |
| 4997952 | N-pyrrolidonyl methyltriphenyl phosphonium salts and method for their preparation and use A novel triphenylphosphonium salts of chloromethyl pyrrolidone having the formula: ##STR1## wherein R1, R2, and R3 may be the same or different and may be hydrogen, lower alkyl, lower alkoxy, lower alkenyl, lower cycl... | 03/05/1991 |
| 4997281 | Grating spectrometer An improved flat field grating spectrometer for increasing the spectral resolutiion and usable spectral range. The spectrometer comprises an entrance slit or port, a concave grating, a field flattening lens and detection means encompassing the desired spe... | 03/05/1991 |
| 4996463 | Auxiliary lighting system for high intensity discharge lamp An auxiliary lighting system to be used with a high intensity discharge lamp having a solid state or electronic ballast. An auxiliary lamp is connected to a source of power through the normally closed contacts of a relay. The relay coil is in the input li... | 02/26/1991 |
| 4996051 | Low calorie, high fiber laxative A natural fiber laxative is provided which consists of psyllium husk, apple fiber, fructose, gum arabic and flavorants. The psyllium husk and the apple fiber constitute together at least 75% by weight of the composiiton. The granular components are contro... | 02/26/1991 |
| 4991234 | Body support band A support band is disclosed having elastic portions and hook and loop fastener portions for encircling a portion of a wearer's body. One hook segment is positioned adjacent to the terminating end of the band and another hook segment is positioned intermed... | 02/12/1991 |
| 4992248 | Method for neutralizing sulfuric acid containing zinc ion A method for neutralizing a sulfuric acid solution containing predominantly Zn ion, comprising adding, to the sulfuric acid solution, at least one compound selected from the group of chlorine-containing compounds of Na ion, K ion, Mg ion, Ca ion, and NH | 02/12/1991 |
| 4992099 | Printing paste, method for printing textile products using the paste, and textile products obtained thereby The printing paste according to the present invention contains egg yolk as the adhesive paste. The painting paste is prepared as a uniformly kneaded mixture comprising 100 wt. parts of egg yolk, 1-10 wt. parts of a preservative, 1-10 wt. parts of a lower ... | 02/12/1991 |
| 4991312 | Door opening system for washing machines A control device and system for controlling the opening of a loading and unloading door of a dry washing machine when internal thereof the machine reaches a predetermined maximum gas concentration including a probe having two electrodes spaced from each o... | 02/12/1991 |
| 4989386 | Panel building elements A building element 20 comprises a double-skinned panel main member 22, and an elongate fixing member 24 therefor projecting therefrom with a distal shoulder 26 facing the main member 22, the fixing member 24 being provided with anchorage means 24,40,42 pa... | 02/05/1991 |
| 4989660 | Lift link gate having a plurality of tabular gate elements The invention relates to a lift link gate having a plurality of tabular gate elements 1, 1' which are joined together by joints or hinges 14 about horizontally extending pivot axes (a). The gate slides with the aid of guide pins or rollers 3 in lateral gu... | 02/05/1991 |
| 4990457 | Whole blood dry analysis element A dry analysis element for determination of a particular constituent in erythrocyte-containing blood, which comprises at least a water permeable porous spreading layer and a water permeable reagent layer arranged on the side opposite to the liquid accepti... | 02/05/1991 |
| 4990788 | Apparatus emitting an electromagnetic radiation This invention relates to an apparatus emitting electromagnetic radiation, particularly infrared, which comprises a cylindrical source of rays and a reflector. In order to avoid the problem due to captive rays and to multiple reflections, the cross sectio... | 02/05/1991 |
| 4989266 | Body armor insert A body armor insert has a set of ballistic cloth plies made from polyethylene fibers sandwiched between first and second sets of ballistic cloth plies made from aramid fiber. The number of plies in each of the three sets of plies is a function of a level ... | 02/05/1991 |
| 4988003 | Stackable tray carrying units A stackable set of tray carrying units is disclosed wherein each unit has a floor member and a ceiling member. Each of the floor and ceiling members has downwardly extending feet, and the ceiling member also has upwardly extending split posts. The floor a... | 01/29/1991 |
| 4989191 | Data processing system with mixed media memory packs A Data Storage Pack is disclosed which contains in the same housing (a) a plurality of analog data storage units such as video tape arranged in a two dimensional matrix and (b) a RAM data storage unit. The data in RAM identifies and locates the video data... | 01/29/1991 |
| 4987810 | Edge sharpening A method and apparatus for edge sharpening a strip that provides a doctor blade or a squeegee blade (e.g. for use in screen printing), wherein a rotary cutting blade cuts through the strip between the opposite major faces of the strip, and at fixed angles... | 01/29/1991 |
| 4987840 | Incinerator with high combustion rate An incinerator has a furnace body whose height is 1.5-10 times the average internal diameter thereof. A combustion chamber is included which is formed by providing a plurality of air blast ports in a lower side wall and/or bank in the furnace body. A gas ... | 01/29/1991 |
| 4985316 | Corrosion resistant fuel cell substrates A porous substrate of a fuel cell electrode assembly is formed by producing a fibrous carbon precursor web by means of a conventional wet paper-making process. The precursor web is then dried and saturated with a wet resinous binder which will carbonize w... | 01/15/1991 |
| 4981666 | Method for the preparation of silicon carbide whiskers In place of the conventional silicon source materials used in the prior art method for the preparation of silicon carbide whiskers, the inventive method utilizes a hydrolysis product of a chlorosilane compound Ra SiCl4-a or a chlorod... | 01/01/1991 |
| 4981087 | Method for regulating the furnace output in incineration plants The method for regulating the furnace output in incineration plants, particularly waste incineration plants, in which the O2 moist content measured in the flue gas is used as an overriding reference value regulating variable for regulating the ... | 01/01/1991 |
| 4982181 | Alphanumeric display Individual character templates for an alphanumeric display are provided. Each individual character template includes an M row by N column pixel matrix. The M row by N column pixel matrix provides MN pixels. Each of the N columns has a generally vertical s... | 01/01/1991 |
| 4979973 | Preparation of fused silica glass by hydrolysis of methyl silicate The invention provides a method for the preparation of synthetic fused silica glass containing a very small amount of hydroxyl groups and has a high viscosity at high temperatures suitable for use as a material of articles for semiconductor processing at ... | 12/25/1990 |
| 4978351 | Guiding instrument to pierce the bone cortical, auxiliary in the location of the holes for intra-marrow pins An instrument for positioning of intra-marrow pin orifices and to guide a bit for a drilling of a bone cortical, in which an elongated member having a width and thickness suitable to resist a surgeon's pushing and a grip at one end thereof and a substanti... | 12/18/1990 |
| 4976540 | Method for detecting colored foreign particles in light-colored powder and system therefor An efficient and reliable method and a system are proposed for detecting colored foreign particles in a white or light-colored powdery product such as a polyvinyl chloride resin with an object of product inspection and quality control. The method comprise... | 12/11/1990 |
| 4976615 | Endodontic device An endodontic device in the form of a platform adapted to be mounted on a dentist's finger. A foam insert holder mounted on the platform is adapted to receive a removable foam insert for holding a plurality of root canal instruments. An open-ended slot fo... | 12/11/1990 |
| 4977052 | Electro-statographic toner material An electrostatographic toner material suitably employable for the pressure fixing process, which comprises encapsulated toner particles having an average particle size in the range from about 0.5 to 1,000 microns, in which the toner particle comprises a p... | 12/11/1990 |
| 4974408 | Alternate reverse twisting method and apparatus An alternate reverse or so-called SZ-twisting method and apparatus and cable product produced by alternate reverse twisting method and/or apparatus. Elements (2 ) which are to be alternately reversely twisted may be wires, leads, optical fibers, their gro... | 12/04/1990 |
| 4975366 | Multi-layered element for quantititative analysis of immuno reactant A multi-layered element for the quantative analysis of an immuno-reactant having a water-impermeable and light-transmissible support layer; a coloring reagent layer carried by said support layer and containing a hydrophilic polymer as a binder; and a reac... | 12/04/1990 |
| 4975392 | Method for manufacturing silicon carbide whisker A method for manufacturing silicon carbide whisker which has a cross-sectional diameter of greater than about 1 μm by mixing a source of silicon atom in the form of grains having a mean grain diameter of at least 50 μm with a carbon atom source in the p... | 12/04/1990 |
| 4971637 | Rare earth permanent magnet A rare earth permanent magnet of the formula R(Fe1-x-y Cox My)z, in which R is rare earth element(s) and/or Y, M is Si, Ti, Mo, B, W, V, Cr, Mn, Al, Nb, Ni, Sn, Ta, Zr, and/or Hf, and x, y, z are numbers such that 0ࣘxà£... | 11/20/1990 |
