Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5393604 | Production of silica "green" tape and co-fired silica substrates therefrom Production of silica "green" tapes employed in fabrication of multilayer circuit boards, by mixing silica powder comprised of spherical substantially uniform particles ranging in size from 0.1 to 2 microns, e.g., 0.7 micron, with a liquid medium containin... | 02/28/1995 |
| 5366787 | Panel structure fabrication The structure and process for making a metallic panel structure from a plurality, e.g. two, core elements each comprised of a pair of sheets of superplastic material welded together along a plurality of weld lines, the weld lines of one core element being... | 11/22/1994 |
| 5338433 | Chromium alloy electrodeposition and surface fixation of calcium phosphate ceramics Process for simultaneous electrodeposition of at least a two component alloy system of cobalt and chromium on a substrate, by providing an aqueous solution of divalent cobalt and trivalent chromium ions and containing ethylenediaminetetraacetic acid, at a... | 08/16/1994 |
| 5330826 | Preparation of ceramic-metal coatings A metal substrate, e.g. titanium, having a calcium phosphate coating, particularly hydroxylapatite, and containing a metal such as cobalt, codeposited on the substrate by electrolyzing a cobalt salt, particularly cobalt sulfate, liquid electrolyte having ... | 07/19/1994 |
| 5297760 | Aircraft skin lap splice Fuselage skin lap splice for aircraft formed of metal or composite skin panels. The adjacent skin panels comprise an outer skin and an inner skin, having contacting overlapping longitudinal edge portions, and a plurality of fasteners connecting such overl... | 03/29/1994 |
| 5296285 | High emittance low absorptance coatings An aluminum or aluminum alloy substrate having a low absorptance high emittance two-layer coating produced by first anodizing the substrate to form an anodic coating, followed by applying a topcoat of an inorganic white paint on the anodic coating, such d... | 03/22/1994 |
| 5291841 | Coal combustion process for SOx and NOx control A method of multi-stage combustion of sulfur and nitrogen-bearing coal which provides high combustion efficiency while preventing formation of sulfur- and nitrogen-bearing air pollutants. In the first stage, a major fraction of the hydrocarbons is burned ... | 03/08/1994 |
| 5284996 | Waste gas storage Method for storing a waste gas mixture comprised of nitrogen, oxygen, carbon dioxide, and inert gases, the gas mixture containing corrosive contaminants including inorganic acids and bases and organic solvents, and derived from space station operations. T... | 02/08/1994 |
| 5281388 | Resin impregnation process for producing a resin-fiber composite Process for vacuum impregnation of a dry fiber reinforcement with a curable resin to produce a resin-fiber composite, by drawing a vacuum to permit flow of curable liquid resin into and through a fiber reinforcement to impregnate same and curing the resin... | 01/25/1994 |
| 5224668 | Torque linkage damper An aircraft landing gear damping mechanism improvement of a damper containing piston means in a chamber of a housing, an orifice in the piston means and Belleville springs disposed in the chamber between the wall of the chamber and the piston means on opp... | 07/06/1993 |
| 5217600 | Process for producing a high emittance coating and resulting article Process for anodizing aluminum or its alloys to obtain a surface particularly having high infrared emittance by anodizing an aluminum or aluminum alloy substrate surface in an aqueous sulfuric acid solution at elevated temperature and by a step-wise curre... | 06/08/1993 |
| 5204161 | Fabrication of panel structure The structure and process for making a metallic panel structure from a plurality of core panels each comprised of a pair of sheets of superplastic material welded together along a plurality of weld lines. The core panels are joined together, with the weld... | 04/20/1993 |
| 5185381 | Foam absorber A foam absorber having electromagnetic energy attenuation characteristics comprising an open cell reticulated polyurethane foam impregnated with a conductive ink applied to a surface of the foam substrate. The conductive ink is applied as by spraying to a... | 02/09/1993 |
| 5151222 | Foam absorber A foam absorber having electromagnetic energy attenuation characteristics comprising an open cell reticulated polyurethane foam impregnated with a conductive ink applied to a surface of the foam substrate. The conductive ink is applied as by spraying to a... | 09/29/1992 |
| 5141146 | Fabrication of superplastically formed trusscore structure Process for fabricating a superplastically formed trusscore structure from a pair of core elements each formed of a pair of metal sheets of a superplastic material, e.g. titanium. The sheets of each core element are welded together along pairs of closely ... | 08/25/1992 |
| 5117904 | Heat exchanger A cross-flow heat exchanger comprising according to a preferred embodiment a shell formed of two concentric cylinders providing an annular space. A number of tubes and baffles are arranged in the annular space such that one fluid flows through the tubes i... | 06/02/1992 |
| 5115963 | Superplastic forming of panel structures Process for making a panel structure by superplastic forming from a pair of face sheets disposed on opposite sides of a core sheet, the core sheet being bonded as by welding to the face sheets along a plurality of spaced weld areas, the core sheet and fac... | 05/26/1992 |
| 5015322 | Tank arrangement particularly designed for chemical milling operations A tank arrangement particularly adapted for processing parts in chemical milling operations, especially for circulation of water-base maskant fluid. The system includes a tank containing up-flow and down-flow draft tubes, each containing a low speed, high... | 05/14/1991 |
| 4996101 | Processible polyimide blends Semi-interpenetrating polymer networks having improved processibility and compatibility are prepared by combining a linear polymer comprised of a thermoplastic polyisoimide and a short chain thermosetting polymer in the form of a cross-linkable oligomer c... | 02/26/1991 |
| 4994783 | Electronic device fabrication on non-conductive polymer substrate A process for fabricating an electronic device on a non-conductive polymer substrate, particularly from the family of polyaniline, comprises applying a covalent doping agent, such as an R+ donor compound, where R is an organic group, e.g., meth... | 02/19/1991 |
| 4984327 | Shoe holder A shoe holder particularly adapted for use in dyeing, cleaning or polishing shoes without touching the shoe, comprises a generally U-shaped flexible handle having a forward arcuate portion and a rear arcuate portion. A forwardly extending toe end is conne... | 01/15/1991 |
| 4983690 | Conductive polymer-maleimide blends and method of producing same Solution blending of (a) a conductive polymer containing carbon-nitrogen linkages, such as polyaniline, having an organic group or an inorganic group, e.g., derived from an anhydride or an aromatic multisulfonic acid, covalently linked to nitrogen atoms o... | 01/08/1991 |
| 4954195 | Production of thermoset composites containing thermoplastic fillers A process for increasing the damage tolerance in thermoset composites without loss of processibility or mechanical properties of the thermoset, by controlled solubility of a thermoplastic filler in the base thermoset. The process includes mixing spherical... | 09/04/1990 |
| 4942013 | Vacuum resin impregnation process A process and system for vacuum impregnation of a fiber reinforcement, such as carbon cloth, with a resin to produce a resin-fiber composite. Liquid resin enters in arrangement or system comprising a fiber reinforcement layer on a tool or mold and is dire... | 07/17/1990 |
| 4935163 | High service temperature conductive polymers and method of producing same Production of base-type conductive polymers, particularly from the family of conductive polyaniline, by reacting a base-type non-conductive polymer containing carbon-nitrogen linkages, e.g., polyaniline, with a multiprotic acid in the form of an aromatic ... | 06/19/1990 |
| 4915659 | Water ski also adapted for use on land A water ski also adapted for walking on land is disclosed. The ski comprises a pontoon of generally streamlined shape, formed of a lightweight rigid material, and a plurality of spaced cups of a flexible material attached to the lower surface of the ponto... | 04/10/1990 |
| 4857698 | Laser perforating process and article produced therein A process for perforating a metal sheet with clean holes of substantially uniform size and shape comprises placing a suitable transparent backing tape, such as an adhesive polyethylene tape, on one surface of the metal sheet. The assembly is placed in a f... | 08/15/1989 |
| 4855361 | Conductive polymer-polyimide blends and method for producing same A conductive polymer blend which comprises mixing a polyimide with a base-type polymer containing carbon-nitrogen linkages, such as polyaniline, having a polyimide-like group covalently linked to nitrogen atoms of the base-type polymer. The conductive pol... | 08/08/1989 |
| 4851487 | Conductive polymer materials and method of producing same Production of base-type conductive polymers, particularly from the family of conductive polyaniline, by reacting a base-type non-conductive polymer containing carbon-nitrogen linkages, e.g., polyaniline, with an anhydride, such as R--SO2 --O--S... | 07/25/1989 |
| 4847115 | Chemical synthesis of conducting polypyrrole using uniform oxidant/dopant reagents A method for producing oxidant/dopant reagent solutions which comprises reacting a basic ferric carboxylate, preferably basic ferric acetate, with an alkyl or aryl sulfonic acid, e.g., benzenesulfonic acid, to produce the corresponding ferric sulfonate in... | 07/11/1989 |
| 4842667 | Epoxy resin system and pultrusion process employing same An epoxy resin system is disclosed which is especially adapted for use in the pultrusion process. Such resin system comprises tris (hydroxyphenyl) methane-based epoxy resin and a combination of the cross-linking agents (methyl)-bicyclo(2,2,1) heptane-2,3-... | 06/27/1989 |
| 4834320 | Method and system for reducing aircraft stopping distance A method and system for reducing stopping distance for an aircraft on a wet runway, which includes blowing away water on a wet landing surface in front of the aircraft tires so that the tires contact a relatively dry surface and simultaneously blowing air... | 05/30/1989 |
| 4822638 | Electronic device fabrication on non-conductive polymer substrate A process for fabricating an electronic device on a non-conductive polymer substrate, particularly from the family of polyaniline, comprises applying a covalent doping agent, such as an R+ donor compound, where R is an organic group, e.g., met... | 04/18/1989 |
| 4811890 | Method of eliminating core distortion in diffusion bonded and uperplastically formed structures Method for eliminating core distortion in diffusion bonded and superplastically formed structures or panels, wherein metal blanks or workpieces of metal, capable of diffusion bonding and superplastic forming such as a titanium alloy, preferably in the for... | 03/14/1989 |
| 4810141 | Blind fastener A blind fastener is disclosed comprised of a rivet having an axial internally threaded bore and a threaded pin to be received within the threaded bore of the rivet. The rivet has a head at one end thereof, and preferably a chamfered bore at the other end ... | 03/07/1989 |
| 4809402 | Non-metallic composite piano hinge A high strength composite piano hinge having an integral structure and of particular utility in aircraft, formed of two similar half portions each comprising a flange and an integrally formed loop, the integral flange and loop comprised of composite tape,... | 03/07/1989 |
| 4806271 | Preparation of base-type conducting polymers Production of base-type conductive polymers, particularly from the family of conductive polyaniline, by reacting a base-type non-conductive polymer containing carbon-nitrogen linkages, e.g., polyaniline, with a cation donor compound, such as R2... | 02/21/1989 |
| 4798685 | Production of base-type conducting polymers Production of base-type conductive polymers, particularly from the family of conductive polyaniline, by reacting a base-type non-conductive polymer containing carbon-nitrogen linkages, e.g., polyaniline, with an R+ donor compound, where R is an... | 01/17/1989 |
| 4794979 | Method for melting metal, particularly scrap, and forming metal billets The process for producing a metal billet or slab which is substantially homogeneous, fine grained and free of freezing or chemical segregation, which comprises fusing the metal, e.g. titanium or a titanium alloy, by an intense heat source, e.g. a plasma t... | 01/03/1989 |
| 4786060 | Sealant spray applicator system and method employing same Method and system for applying liquid sealant in holes of a structural member prior to installing fasteners in such holes, which comprises mixing air with a liquid sealant, spraying a controlled amount of the resulting air-sealant mixture into the holes a... | 11/22/1988 |
