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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 |
| 7727634 | Decorative glass laminate containing an ultraviolet printed image thereon and a method for preparing said decorative glass laminate This invention is directed to a plastic composite comprising color images printed onto a polymeric support film using UV ink. The polymeric support film layer may be bonded to a polymeric film selected from the group consisting of aliphatic polyurethane and ethyl vi... | 06/01/2010 |
| 6037287 | Laser clad pot roll sleeves and bushings for galvanizing baths A wear resistant coating for journals, journal sleeves and bushings on submerged rolls in a molten metal coating bath, comprising a laser-melted tungsten carbide containing overlay.... | 03/14/2000 |
| 5906896 | Rotary seal member coated with a chromium carbide-age hardenable nickel base alloy A gas seal for rotary shaft applications in which at least a portion of a contact surface of one member of the seal that has relative motion with and in contact with a second member of the seal is coated with a chromium carbide-age hardenable nickel base ... | 05/25/1999 |
| 5871139 | Debrazing of structures with a powdered wicking agent Coating a structure such as a brazed joint with a powdered wicking agent, preferably mixed with a fugitive liquid binder to form an adherent slurry, then heating the joint to allow the brazing alloy to melt and be drawn into the powdered wicking agent by ... | 02/16/1999 |
| 5869144 | Boron nitride-silicate sealant A boron-nitride-silicate-containing sealant having good resistance to attack by molten metal such as molten zinc and a method for coating the sealant on a substrate.... | 02/09/1999 |
| 5863618 | Method for producing a chromium carbide-nickel chromium atomized powder A method for producing an atomized powder of chromium carbide particles dispersed in a nickel chromium matrix in which chromium in the powder is from 55 to 92 weight percent of the powder.... | 01/26/1999 |
| 5840386 | Sleeve for a liquid transfer roll and method for producing it A sleeve adapted to be mounted on a mandrel to form a liquid transfer roll or the like comprises a radially expandable inner skin defining a radially inner surface of the sleeve, at least one radially compressible intermediate layer of resilient plastic m... | 11/24/1998 |
| 5837327 | Method for producing a TiB2 -based coating A TiB2 -M coating which consists of greater than 50 vol % TiB2 hard phase particles in a metal or metal alloy (M) matrix that is produced by a thermal spray process using sintered TiB2 -M powders. The TiB2 -M po... | 11/17/1998 |
| 5747163 | Powder for use in thermal spraying A powder for use in a thermal spraying coating process comprises particles consisting essentially of a metal carbide core coated at least partially with a layer consisting essentially of a nickel-chromium alloy containing the metal carbide dissolved there... | 05/05/1998 |
| 5743013 | Zirconia-based tipped blades having macrocracked structure and process for producing it A compressor or turbine blade having its tip coated with a zirconium-based oxide having a plurality of macrocracks extending at least 100 microns through the coating and the process used to produce such a coating.... | 04/28/1998 |
| 5741556 | Process for producing an oxide dispersed MCrAlY-based coating A thermal spray process for producing a MCrAlY-based coating wherein M is selected from the group consisting of iron, cobalt, nickel and mixtures thereof and wherein the oxygen in the fuel-oxidant mixture of the thermal spray process converts a substantia... | 04/21/1998 |
| 5736255 | Aluminum phosphate/silicon dioxide-based sealing material A sealing material having excellent resistance to attack by molten metals, such as molten zinc, comprising aluminum phosphate/silicon dioxide-based material. The invention also relates to a method for coating articles with such sealing material.... | 04/07/1998 |
| 5700423 | Hearth roll with superior endurance capacity A hearth roll with a cermet thermal spray coating on the roll surface which is composed of a heat resistant MCrA1Y (M: Fe, Ni, Co) alloy where the amount of A1 is below 10 at. % and the combined (Al+Cr) amount is between 13-31 at. % and at least one oxide... | 12/23/1997 |
| 4771086 | Encapsulating finely divided solid particles in stable suspensions Finely divided water insoluble solid particles free of ionic charges and ranging in size from about 0.01 to several hundred microns or higher, including but not limited to paint pigment particles, are given a generally uniform polymeric encapsulation by a... | 09/13/1988 |
| 4758521 | Assay of ketones in ambient air A method of assaying ketones in ambient air comprising contacting the air with beaded activated carbon followed by desorption with a solvent and analysis of the solvent solution for ketone content has been developed which provided superior results over pr... | 07/19/1988 |
| 4726934 | Carbon black burner An improved carbon black burner for producing a carbon black with reduced grit content wherein feedstock oil is introduced radially into an atomizing fluid conduit through ports located proximate the discharge orifice of the burner.... | 02/23/1988 |
| 4722756 | Method for deoxidizing tantalum material Disclosed is a process for the reduction of oxygen content in tantalum and/or columbium-containing material comprising heating the material under a hydrogen atmosphere in the presence of an oxygen-active metal.... | 02/02/1988 |
| 4684399 | Tantalum powder process A reduction process for producing tantalum powder wherein a tantalum compound is introduced, in a continuous or incremental manner, to a reactor, during the course of the reduction reaction.... | 08/04/1987 |
| 4391941 | Stabilized polypropylene compositions This disclosure relates to the use of certain heat-treated carbon blacks as stabilizers against the effects of degradation caused by visible and ultraviolet light in the preparation of polypropylene resin compositions containing conventional antioxidants ... | 07/05/1983 |
| 4370308 | Production of carbon black This disclosure relates to an improved furnace process for producing carbon blacks by the incomplete combustion of hydrocarbonaceous feedstock wherein the resultant blacks either have higher surface areas than the carbon blacks normally prepared from the ... | 01/25/1983 |
| 4322461 | ID Card laminar structures and a method for preparation thereof using a transfered adhesive Laminar structures comprising a color diffusion transfer photographic print bonded to a vinyl sheet using an adhesive mixture of a vinyl acetate-ethylene copolymer and a hydroxylated polymer, and a method for preparation thereof using an adhesive-supporti... | 03/30/1982 |
| 4137266 | Process for toluene diamine recovery Toluene diamine is obtained by hydrolyzing the toluene diisocyanate distillation residue in the presence of aqueous ammonia.... | 01/30/1979 |
| 4135042 | Reduction of scorching in polyurethane foam Use of phosphites as scorch inhibitors in polyurethane foams containing halogenated phosphate polyester additives.... | 01/16/1979 |
| 4118586 | Process for preparing dihydroxytoluene A process for preparing dihydroxytoluene by heating toluene diisocyanate distillation residue in the presence of an aqueous solution of phosphoric acid.... | 10/03/1978 |
| 4105686 | Process for deactivating toluene diisocyanate distillation residue A selective process wherein toluene diisocyanate distillation residue is converted from a viscous liquid into an inert, granular solid by treatment with an organic acid. This invention relates to the treatment and processing of the distillation residue wh... | 08/08/1978 |
| 4021100 | Electrochromic device having an electrolyte contained in a solid porous insulating layer An electrochromic data display and light modulating device which may be formed by sandwich arrangement of the imaging or light modulating layer and the counter-electrode layer, with a suitable porous insulating layer between, and an electrolyte permeating... | 05/03/1977 |
| 3998525 | Edge lighted electrochromic displays An electrochromic data display and imaging device which may be formed by sandwich arrangement of the imaging area and the counter-electrode area, with a suitable ion-conductive layer between, having means to illuminate the imaging area.... | 12/21/1976 |
| 3978007 | Simple, bonded graphite counter electrode for EC devices Method for forming a counter-electrode or imaging area in an electro-optical data display and imaging device, and the electrode and imaging areas formed. An electrochromic data display and imaging device may be formed by sandwich arrangement of the imagin... | 08/31/1976 |
| 3973829 | Electrochromic devices with partially pre-charged counterelectrodes An electrochromic data display and imaging device which may be formed by sandwich arrangement of the imaging area, the counter-electrode area with a suitable electrolyte layer between, the imaging area and/or counter-electrode area having greater uniformi... | 08/10/1976 |
| 3974083 | Control of corrosion and scale in circulating water systems by means of partial esters of polyfunctional organic acids For inhibiting corrosion and scale on ferrous metal parts in a circulating water system there is added to the water in such system from 10 to 500 ppm of a partial ester of a polyfunctional acid having a free carboxylate, phosphonate or sulfonate group and... | 08/10/1976 |
| 3968639 | Electrochromic information displays Accumulating measuring devices which indicate the flow of electric current on graduated scale. Current flow may be of any fixed rate or value, steady or pulse, and scale may be any desired graduations. Current flow is indicated by a persistent electrochro... | 07/13/1976 |
| 3948976 | Partial esters of hydroxy polycarboxylic acids Partial esters of hydroxy-polycarboxylic acids having at least one unesterified carboxyl group and at least one other carboxyl group esterified with an alcohol having one to 20 repeating oxyalkylene groups and a terminal hydrocarbon radical are useful as ... | 04/06/1976 |
