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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7626185 | Patterning compositions, masks, and methods Electromagnetic radiation sensitive mask materials are provided. The mask materials are chosen such a first percentage of electromagnetic radiation at a first wavelength is transmitted through the mask material prior to the exposure of the mask material to electroma... | 12/01/2009 |
| 7218102 | Pipeline inspection apparatus and method A apparatus for pipeline integrity monitoring comprising a magnetically permeable backing bar and at least three magnets comprising a relatively medium-strength magnet positioned at one end of the backing bar, a relatively low-strength magnet positioned at the other... | 05/15/2007 |
| 7168880 | Impact attenuator system An impact attenuator system includes a hyperelastic member that comprises an energy absorbing material which behaves in a rate-independent hyperelastic manner so that its permanent set is minimized and the material can absorb tremendous amounts of impact energy whil... | 01/30/2007 |
| 6302331 | Directionally controlled EHD aerosol sprayer The invention provides an aerosol delivery method and system for producing a charged electrohydrodynamic (EHD) aerosol, discharging the aerosol and moving the discharged aerosol in a desired direction without substantial wetting of the device. The deliver... | 10/16/2001 |
| 5446369 | Continuous, automatic and remote monitoring of corrosion The corrosion monitor system facilitates the detection and monitoring of material corrosion in remote areas. Sensors, which react to a corrosive environment similar to the material to be monitored, are placed in isolated areas and connected to a central c... | 08/29/1995 |
| 5384571 | Method of forming relief surfaces A ultrablack article made of a resin containing light absorbing pigments or dyes and its method of manufacture. The surface of the article is provided with light reflecting projections that cause incident light to reflect from the sides of such projection... | 01/24/1995 |
| 5349915 | Submersible trim system A trim system for a submersible comprises a ball control system and a hydraulic control system. The ball control system includes a tubular ball transfer line 33 substantially through the length of the vessel, a plurality of high-density, solid balls 34 wi... | 09/27/1994 |
| 5225933 | Ultrablack surfaces An ultrablack article made of a resin containing light absorbing pigments or dyes and its method of manufacture. The surface of the article is provided with light reflecting projections that cause incident light to reflect from the sides of such projectio... | 07/06/1993 |
| 5212596 | Nonreflective articles An article for presenting dye/pigment images therein comprising a substantially transparent viewing region 20; photodeveloped, printed, deposited or diffused dyes and/or pigments 21 in the viewing region; and a substrate region 22 adjacent to the viewing ... | 05/18/1993 |
| 5131957 | Material properties Methods and apparatus for improving properties of a solid material in a target (11) by providing shock waves therein. There are directed to the surface of the material (11) pulses of coherent radiation (12) having average energy fluence of at least about ... | 07/21/1992 |
| 5077094 | Process for applying a metal coating to a metal strip by preheating the strip in a non-oxidizing atmosphere, passing the strip through a melt pool of the metal coating material, and rapidly cooling the back surface of the strip A process for applying a metal coating 11 to a metal strip substrate 2 by preheating the casting surface in a non-oxidizing atmosphere and maintaining a casting surface temperature Ts below the solidus temperature of the metal coating material,... | 12/31/1991 |
| 5067554 | Melt extraction of ceramics The pool to be filamented is liquefied by heating in a crucible. A disk having an edge immersed in the molten pool rotates at high velocity and drives the pool outwards in the form of a ribbon which breaks up into pieces forming the required particles. Th... | 11/26/1991 |
| 4993478 | Uniformly-cooled casting wheel Metal strip 9 cast directly from the melt onto a cylindrical casting drum 20 is made more uniform in thickness and in structure by making the temperature of the casting surface and, therefore, heat transfer more uniform, thus reducing distortion of the ca... | 02/19/1991 |
| 4989595 | Aspirator/nebulizer A respiratory care device utilizes pressurized oxygen to pump an oxygen/air mixture to the patient. The device comprises a coupled turbine and blower. The pressurized oxygen drives the turbine which pumps air through the blower. The oxygen may be mixed wi... | 02/05/1991 |
| 4976934 | Nested, recirculating-fiber filter A recirculating fiber filter (1) and method is provided for removing particulates from moving fluid streams. High aspect ratio fibers (2) are used which readily nest with each other to form the high voidage fiber filter bed. In the method, fibers are cont... | 12/11/1990 |
| 4942918 | Controlled-flow fiber casting Continuous production of metal fiber is provided by delivering molten metal at low pressure to a multi-edged, rotating casting drum. The metal is delivered through a wide orifice in a tundish frontwall in close proximity to the casting edges. The flow to ... | 07/24/1990 |
| 4891059 | Phase redistribution processing Homogeneous and refined microstructure powders and the method of making them from, for example, liquid metal immiscible systems or very limited solid solubility systems. At least two metals are melted and then rapidly solidified to yield a solid with a se... | 01/02/1990 |
| 4876094 | Controlled release liquid dosage formulation A liquid dual coated dosage formulation sustained release pharmaceutic having substantial shelf life prior to ingestion is disclosed. A dual coating is applied over controlled release cores to form dosage forms and the coatings comprise fats melting at le... | 10/24/1989 |
| 4865117 | Direct strip casting on grooved wheels Metal strip may be directly cast by deposit of a melt layer onto a chill surface. Quality of both the upper and lower surfaces of strip case in this manner may be substantially improved according to the invention by casting on a chill roll having fine, ci... | 09/12/1989 |
| 4842040 | Uniform cooling of cast strip Metal strip 9 cast directly from the melt onto a cylindrical casting drum 20 is made more uniform in thickness and in structure by making the temperature of the casting surface more uniform. This is accomplished by a novel arrangement of coolant channels ... | 06/27/1989 |
| 4842042 | Thickness control of direct cast strip A smooth roll skimmer 36 may be used in the casting of strip 34 by the melt drag process to provide gauge control and a smooth upper surface. Liquid melt 32 is cast on the moving chilled substrate 33 where it solidifies to a strip. The skimmer 36 is posit... | 06/27/1989 |
| 4801566 | Low expansion ceramic Crystalline solid solutions and diphasic mixtures having a composition of Ca1-x Mx Zr4 P6 O24, where M is Ba and/or Sr and X is between about 0.25 and 0.75, have been produced which display both low a... | 01/31/1989 |
| 4799536 | Sheet caster cooling A more uniform cooling system for direct strip forming processes on chilled drums wherein the drum 1 is hollow and is partially filled with a coolant pool 6. A central tube 7 provides coolant spray 8 to the portions of the drum interior when not covered w... | 01/24/1989 |
| 4763718 | Method of and apparatus for casting an elongated metal product Net shape or near net shape metal rod or wire 3 is rapidly solidified. Molten metal 7 is delivered to a semi-cylindrical casting channel 2 in a chill block 1 from a tundish 4 through a critically-designed metering system comprising a drain 6, an orifice f... | 08/16/1988 |
| 4752314 | Method and apparatus for melting glass batch A glass melting system involving preheating, precalcining, and prefluxing of batch materials prior to injection into a glass furnace. The precursors are heated by convection rather than by radiation in present furnaces. Upon injection into the furnace, ba... | 06/21/1988 |
| 4749024 | Direct cast strip thickness control Metal strip 3 may be cast directly from molten metal in an open tundish 2 onto a chill roll 1. Strip thickness is controlled by contouring the tundish lip 14 with an offset 10 near the casting wheel. This can be used remedially to offset the natural tende... | 06/07/1988 |
| 4704084 | NOX reduction in multisolid fluidized bed combustors Nitrogen oxide pollutants are substantially reduced and sulfur dioxide minimized in multisolid fluidized beds by staged combustion of the fuel. The lower combustion region is operated at substoichiometric conditions such that NOx is reduced by ... | 11/03/1987 |
| 4684536 | Hard layer formed by incorporating nitrogen into Mo or W metal and method for obtaining this layer This hard layer is obtained by incorporating a maximum of 2 weight % of nitrogen in Mo or W by the technique of cathode sputtering in a nitrogen reactive medium, the temperature at which the nitrogen incorporation occurs which is in the order of 300° C. ... | 08/04/1987 |
| 4618764 | Fiber-optical pressure detector An optical fiber disposed between a light source and a photodetector is subjected at a number of points, equispaced along its axis, to a transverse pressure causing a significant attenuation of the transmitted luminous radiation. The optimum spacing of th... | 10/21/1986 |
| 4614222 | Method of and apparatus for casting metal strip employing free gap melt drag Apparatus and method for continuous casting of amorphous or polycrystalline metal strip from a melt. The molten metal is delivered from a reservoir (2) to a moving chill surface, preferably a cylindrical roll (1) through an orifice (3) in the reservoir (2... | 09/30/1986 |
| 4612926 | Dual-range aspirator device An aspirator/nebulizer for use in inhalation therapy has dual oxygen nozzles extending into a cylindrical chamber into which air can be aspirated in a controlled manner via closable air holes. A 50 psig oxygen source can be diluted to atmospheric air to y... | 09/23/1986 |
| 4589927 | Liquid multisolid fluidized bed processing Continuous chemical and biological reactions may be carried out in a liquid fluidized reactor (1). Improved mixing and mass transport between gas/liquid/solid phases is provided by fluidizing large particles (2) with a liquid in a dense bed in the bottom ... | 05/20/1986 |
| 4559187 | Production of particulate or powdered metals and alloys A free flowing stream of molten metal is motioned to encounter a higher diameter and faster moving free flowing stream of a cooling liquid, such encounter resulting in the splitting of the molten metal into droplets. The droplets in contact with the cooli... | 12/17/1985 |
| 4544516 | Collagen orientation Monomeric collagen is oriented in solution and the orientation is retained in the resulting gel by setting up convective flow paths in the solution during gelation. The convection is induced by uniform peripheral heating of the cold, collagen solution in ... | 10/01/1985 |
| 4473976 | Prestressed cooling tower Disclosed is a structure of flexible tensile members which requires only two arrays of said members for obtaining lateral stiffness of said structure, the ends of each member being attached to contour elements and the members of each array having opposite... | 10/02/1984 |
| 4462234 | Rapid extrusion of hot-short-sensitive alloys High-strength aluminum alloys and other hot-short-sensitive alloys can be extruded at rapid rates through a cooled, double reduction die (3) without hot-short cracking or scoring caused by die pickup. A primary reduction die (4) has a long, cooled primary... | 07/31/1984 |
| 4419382 | Plasma polymerized color coatings Thin, pinhole-free, adherent, colored polymeric coatings and articles are produced by plasma polymerization followed by a heat treatment. The polymer precursor is mixed with a dye or pigment and shaped into a self-supporting thin article or applied to a s... | 12/06/1983 |
| 4417415 | Process for culturing a microalga, and extracting a polysaccharide therefrom Porphyridium cruentum is cultured in an enriched seawater medium using a high initial cell concentration until the productivity of polysaccharide production by the alga is maximized. The whole culture is then extracted by making the culture strongly alkal... | 11/29/1983 |
| 4417868 | Compact plenum for pulse combustors The physical size of an inlet plenum (2) for a cluster of pulse combustors (1) may be reduced while maintaining a tuned condition for noise cancellation by constructing the plenum with an annular chamber (8) having internal baffles (20, 21) which make the... | 11/29/1983 |
| 4407713 | Cylindrical magnetron sputtering cathode and apparatus The cylindrical magnetron sputtering cathode (10) of the present invention essentially comprises a tubular target (20) having a face (20a) of material to be sputtered, and a magnet assembly (45) disposed behind the back face of said tubular target for gen... | 10/04/1983 |
