...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 |
| 7082262 | Integral manifold for liquid material dispensing systems A manifold for a liquid material dispenser has a unitary manifold body with process air and liquid material passages formed therethrough. Heaters for heating the process air and liquid material are both coupled directly to the manifold body and cooperate to simultan... | 07/25/2006 |
| 6846176 | Method and apparatus for heating a zone of an elongate tubular article A method for heating a zone of an elongate tubular article. A heat resistant, heat transmitting and heat dispersive shroud material is applied to the zone and a hot gas source is applied to the outside of the shroud material to cause heat to be transmitted through t... | 01/25/2005 |
| 6705117 | Method of heating a glass melting furnace using a roof mounted, staged combustion oxygen-fuel burner In an industrial glass furnace, which optionally contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material, at least one staged combustion oxy-fuel burner is mounted in the roof of the furnace to provide heat to ... | 03/16/2004 |
| 6705118 | Method of boosting a glass melting furnace using a roof mounted oxygen-fuel burner In an industrial glass furnace which contains recuperators, regenerators, electric boost or other devices for providing heat to glass batch material an oxy-fuel burner mounted in the roof of the furnace provides additional heat to melt the batch material. A method o... | 03/16/2004 |
| 6632087 | Infrared heating oven for the conditioning of plastic preforms Infrared oven for heating a plurality of preforms and comprising: a conduit through which said preforms move, a flow of outside air that flows through said conduit from an intake mouth to an exhaust mouth under the action of a blower, a plurality of infra... | 10/14/2003 |
| 6514448 | Device for tempering preforms and tempering method The process is used for tempering preforms made of a thermoplastic material; the preforms are to be blow molded. The preforms are provided with a temperature profile along a circumference. The temperature profile is generated by differentially heating str... | 02/04/2003 |
| 6402011 | Reflow method and reflow device For reflow soldering, radiant heating is applied to one surface of a printed circuit board on which electronic components are placed and onto which cream solder is supplied and at the same time hot air is blown locally and roughly perpendicular to to-be-c... | 06/11/2002 |
| 6033279 | Method of manufacturing a display device with reduced thermal stress A method in which a (display) device having a part (41) comprising a first wall (43) and a second wall (44) is manufactured, which part (41) is warmed up during the temperature treatment by unilateral irradiation with heat by means of heat radiators (35).... | 03/07/2000 |
| 5714109 | Method and apparatus for supplying conditioned air to a blow-molding oven A method and apparatus which allows blow-molded plastic containers to be manufactured at high rates of production independent of ambient environmental conditions. The method and apparatus eliminate the need to make adjustments to blow-molding oven operati... | 02/03/1998 |
| 5549473 | Loader device for an automatic space furnace The loader device comprises a cartridge-carrying carousel provided with a set of cartridge-holders in which sealed closed cartridges are mounted in removable manner, each cartridge being designed to contain a sample for processing in a space furnace, the ... | 08/27/1996 |
| 5477847 | Heating device A heating device including a first exothermic member disposed below a subject to be heated for preventing heat radiation from the subject while heating the subject from below, a second exothermic member disposed above the subject for preventing heat radia... | 12/26/1995 |
| 5383782 | Gas-lance apparatus and method A gas-lance apparatus and method for injecting a rate-enhancing gas between a flame and a thermal load to augment combustion of fuel undergoing combustion in the flame. A fan-shaped main jet is introduced between the flame for producing a low pressure fie... | 01/24/1995 |
| 5366409 | Controlling pouring stream and receiver environment A method and system for providing a controlled gaseous environment at the opening to a receiver and around a free liquid stream downwardly entering the receiver opening. The method comprises laminarly emitting at least two gas flows to extend and intersec... | 11/22/1994 |
| 5322651 | Method and apparatus for the thermal treatment of thermoplastic preforms Preforms are thermally treated in a continuous-run oven equipped with infrared lamps. The portions of the oven exposed to infrared radiation are cooled by an air flow, whose temperature is kept constant by mixing air at ambient temperature with hot air. T... | 06/21/1994 |
| 5256341 | Method and apparatus for infrared heating of plastic preforms A core 6 is disposed inside of and spaced from a hollow plastic preform 1 subjected to external infrared radiation 4 including a first wavelength B1 that is absorbed by and heats the plastic, and a second wavelength B2 that propagate... | 10/26/1993 |
| 5184953 | Water cooling pipe correction to vertically unsymmetrical heating of blooms in walking-beam reheat furnace Apparatus is provided for decreasing temperature differentials within rectangular metal blooms being heated in a furnace. The apparatus includes elongated internally cooled members located above the blooms adjacent an exit end of the furnace. The longitud... | 02/09/1993 |
| 5173046 | Apparatus for treating the exterior surface of plastic containers An apparatus for flame treating an exterior surface of a plastic container such as a barrel includes a carriage mounted on a frame for rotatably supporting a plastic container, a first treatment station attached to the frame for flame treating a facing en... | 12/22/1992 |
| 5066222 | Method and apparatus for heating and conveying plastic preforms prior to mold blowing operations A process and apparatus for heating injected, cold preform blanks to blow molding temperature on a conveyor path wherein they are thereafter fed to a blow mold, the preform blanks being first heated to a temperature below the blow moulding temperature, th... | 11/19/1991 |
| 5061176 | Apparatus and process for simultaneously positioning and oscillating a plurality of probes in the heat exchanger tubes of a nuclear steam generator An apparatus and process for positioning and for simultaneously oscillating a plurality of heater probes within a plurality of heat exchanger tubes mounted in a tubesheet of a nuclear steam generator is disclosed herein. The apparatus generally comprises ... | 10/29/1991 |
| 5044938 | Method of controlling temperature of a joining area between two different strip materials in a continuous strip processing line Disclosed is a method of controlling the temperature of a joining area between two different strip materials in a continuous strip processing line. In the case where a strip material after the joining area requires a nozzle pressure greater than that of a... | 09/03/1991 |
| 4979895 | Process for firing ceramic shaped bodies and firing tools used therefor A process for firing ceramic shaped bodies is disclosed, which comprises the steps of placing the ceramic shaped bodies on a truck, and firing the shaped bodies with a combustion gas. Shield members are arranged on the truck such that a jet stream of the ... | 12/25/1990 |
| 4944645 | Method and apparatus for loading objects into evacuated treating chamber In a method and apparatus for depicting a circuit pattern on an article such as a semiconductor wafer, glass mask or a reticle supported by a stage in an evacuated casing with an electron beam, the article is disposed in a magazine contained in a sealable... | 07/31/1990 |
| 4936772 | Flame ashing process and apparatus for stripping photoresist Process and apparatus employing flame ashing for stripping photoresist from a substrate in the manufacture of a semiconductor device. The substrate is exposed to the flame with the photoresist to be removed being contacted directly by the flame to oxidize... | 06/26/1990 |
| 4781579 | Process for changing the color of partial areas of the surface of pigmented hydraulically bonded construction elements A process for changing the color of partial surface areas of pigmented, hydraulically bonded construction elements by application of high temperatures thereon, wherein the said partial surface areas are subjected to temperatures of at least 1,000° C., un... | 11/01/1988 |
| 4591333 | Impingement oven with radiant panel A food preparation oven for baking foods which require less heat energy input into a first surface than into a second surface such as pizzas. A radiant panel is provided which is heated by means of hot air and which is positioned to heat one surface of th... | 05/27/1986 |
| 4580972 | Heating apparatus and method Apparatus for heating a plastic pipe 18 or the like comprises a body portion having inner and outer parts 1,2 defining therebetween an annular cavity 3 which receives the end of the pipe. In use of the apparatus, hot fluid is pumped through the cavity 3 v... | 04/08/1986 |
| 4549866 | Method and apparatus for applying heat to articles and materials A heating device including a flame burner (40) and a nozzle (52) into which the flame (50) from the burner (40) is directed and in which process air is mixed with products of combustion from the flame; the nozzle (52) having hot gas discharge openings (10... | 10/29/1985 |
| 4515559 | Heat treatment method and apparatus Heat treatment apparatus for annealing a reactor vessel includes an envelope having a plurality of insulated compartments each supplied with heated fluid from inlet ducts having nozzles in the compartments. The heated fluid passes out of the compartments ... | 05/07/1985 |
| 4497626 | Heatable godet and a method of heating a godet The circumferential wall of the godet drum is heated via air which is heated by a heating device within the chamber of the drum. Air circulation through a closed path is aided by means of fan blades which are mounted on an interior face of the drum.... | 02/05/1985 |
| 4478676 | Method for decreasing radial temperature gradients of crystal growth melts utilizing radiant energy absorptive materials and crystal growth chambers comprising such materials A method for reducing the radial temperature gradient of a radiant energy emitting heated body is described. The method comprises insulating such heated body with a refractory insulating material containing an efficient absorber of the radiant energy emit... | 10/23/1984 |
| 4478573 | Furnace for heating pipes with upset portions A furnace for heating pipes each having an upset portion at least at one of its opposite ends includes a housing defining a heating chamber filled with high temperature gas, and a conveying apparatus for sequentially conveying the pipes in the housing in ... | 10/23/1984 |
| 4464831 | Method and device for fabricating insulated joints for railroad tracks A method of fabricating an insulating joint between a pair of end abutting rail sections of a railroad track includes the suspension of a pair of opposed fishplates at the rail joint at spaced distances outwardly of the rail sides, and simultaneously heat... | 08/14/1984 |
| 4444559 | Process and apparatus for unsoldering solder bonded semiconductor devices An apparatus for removing solder bonded devices from a substrate which includes a hollow housing element having an open end with a seating portion adapted to engage the flat backside of a semiconductor device, an inlet for admitting heated gases to the in... | 04/24/1984 |
| 4382776 | Quartz tube for thermal processing of semiconductor substrates A quartz tube adapted for thermal processing of semiconductor substrates comprising a double-layered central tube having an external sintered crystalline quartz layer fused with a quartz layer of different quality, i.e. an internal transparent fused quart... | 05/10/1983 |
| 4364729 | Ladle heating system with air seal and heat shield A ladle for receiving molten metal is heated by a direct flame, by applying a lid to the rim of the ladle and directing an air stream through a heat exchanger and through the lid to the ladle, mixing fuel with the air and igniting the mixture and directin... | 12/21/1982 |
| 4352659 | Method of heating an end of a length of plastic pipe and a circulating air furnace for carrying out the method A method and a circulating-air furnace for heating one end of a length of plastic pipe for the purpose of belling the end of the pipe. The circulating air is made to flow through a fan and a heater and thereinafter along the outer and inner faces of the p... | 10/05/1982 |
| 4334858 | Prevention of thermal spalling in ceramic products Ceramic product is heated or cooled at its side to impart temperature gradient for causing sinter so as to in advance provide residual stress in inside, thereby to prevent thermal spalling which is generated by difference in temperature during using the c... | 06/15/1982 |
| 4320077 | Method and apparatus for heating lengths of thermoplastic material The method and apparatus disclosed herein provide a stratified heat bath for use in the heating stage of thermoplastic deformation. It allows for heating of central sections of the thermoplastic lengths in order to render said lengths susceptible to defor... | 03/16/1982 |
| 4278424 | Socket heat fusion apparatus A socket heat fusion apparatus is provided for simultaneously heating one end portion of a thermoplastic conduit and one end portion of a thermoplastic coupler so that the heated end portion of the thermoplastic conduit can be disposed in the heated end p... | 07/14/1981 |
| 4239486 | Thawing assembly for clogged asphalt pipes A heat applying assembly for thawing out clogged asphalt containing pipes.... | 12/16/1980 |