...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 |
| 8152430 | Three hopper charging installation for a shaft furnace A three hopper charging installation for a shaft furnace includes a rotary distribution device for distributing bulk material in the furnace by rotating a distribution member about the furnace central axis and a first, a second and a third hopper arranged in paralle... | 04/10/2012 |
| 8092136 | Multiple hopper charging installation for a shaft furnace A multiple hopper charging installation for a shaft furnace includes a rotary distribution device for distributing bulk material in the shaft furnace by rotating a distribution member about a central axis of the shaft furnace and at least two hoppers arranged in par... | 01/10/2012 |
| 7341080 | Method for loading pourable material and device for carrying out said method A method for loading a pourable material in a container, the material being supplied by gravity forces through a channel which is arranged in the opening of the container. In order to obtain a desired material distribution in the container, the material, a little bi... | 03/11/2008 |
| 7311486 | Charging device with rotary chute A charging device for bulk material comprises a rotor having a substantially vertical axis of rotation a first drive for rotating the rotor and a chute supported by the rotor so as to be rotated with the latter. The chute can be rotated about its longitudinal axis. ... | 12/25/2007 |
| 7059818 | Method and device for distributing a lumpy bulk material The invention relates to an apparatus and a process for distributing a lumpy bulk material, in particular iron ore which has been at least partially prereduced, onto an extensive surface, in particular onto a fixed bed, this surface extending within a reactor or ves... | 06/13/2006 |
| 6948930 | Furnace head or furnace throat seal A blast furnace head (11) including a material loading device comprising rotary chute (14) driven in rotation about a first, vertical axis of rotation (16), and a loading chute (15) at the outlet of same, driven in rotation about a second... | 09/27/2005 |
| 6916146 | Device for distributing bulk materials with rotary chute having a variable angle of inclination A device for distributing materials in bulk includes a suspension rotor and a chute located below the suspension rotor. The chute is provided with two lateral suspension arms which are connected to the suspension rotor. A driving mechanism produces a pivoting torque... | 07/12/2005 |
| 6857872 | Device for loading a shaft furnace A loading device for a shaft furnace comprises a chute supported by a suspension rotor (28) in a fixed housing. The rotor (28) is fitted with a cooling circuit, supplied with liquid coolant via a rotating annular joint (44). The latter comprises... | 02/22/2005 |
| 6580744 | Feed device for a shaft furnace Feed device (100) for a shaft furnace (101), with a revolving chute (107, 111) comprising a cylindrical basic body (107) that can be driven so as to rotate about a first, substantially vertically oriented axis of rotation (A1) with a first drive mechanism... | 06/17/2003 |
| 6540958 | Bell and hopper for shaft furnaces In order to configure a bell and hopper for shaft furnaces, in particular, blast furnaces, comprising a charging bin with a feed tube, a rotating chute carrier with rotary drive, a swiveling chute in the interior of the furnace with drive means arranged e... | 04/01/2003 |
| 6481946 | Device for dispensing bulk materials The invention concerns a device for dispensing bulk materials through a rotary chute with variable angle of inclination comprising an underslung rotor mounted in a supporting frame so as to rotate about a substantially vertical axis of rotation. The chute... | 11/19/2002 |
| 6338815 | Steel cables driven furnace top chute feeder for blast furnace The present invention relates to a furnace top distribution device used for blast furnace and in particularly, to a furnace top chute feeder driven by steel cables. The chute feeder comprises a system for oscillating said chute which consists of steel cab... | 01/15/2002 |
| 6004090 | Charging device for a blast furnace A charging device for being mounted above the top opening of a blast furnace body. The charging device includes a stationary hopper with a closable lower opening, and a rotary hopper with a closable lower opening with the rotary hopper being arranged belo... | 12/21/1999 |
| 5755837 | Fuel spreader assembly for use in a gasifier A pyrolysis gasifier includes a first auger (26) which moves carbon from a carbon collection tank (24) through an air lock valve (30) to a carbon holding tank (28). The gasifier includes an inner cylindrical sleeve (80) which is configured such that there... | 05/26/1998 |
| 5393189 | Spreader for particulate material The present invention provides a spreader for a particulate material as it is being deposited in a storage bin. The spreader includes a rotatable body portion having downwardly diverging sidewalls terminating at a base. Elongated deflector blades extend o... | 02/28/1995 |
| 5299900 | Installation for charging a shaft furnace An installation is proposed for charging a shaft furnace comprising a rotating and pivoting distribution chute. The chute is supported in a removable manner by two lateral side plates of a "U"-shaped stirrup piece. When a first ring securely fastened to a... | 04/05/1994 |
| 4822229 | Installation for charging a shaft furnace An installation for charging a shaft furnace equipped with a distribution spout, several storage containers, a sluicing system and a valve cage is presented. The containers are arranged next to each other and are horizontally displaceable between a first ... | 04/18/1989 |
| 4764184 | Apparatus for the gasification of coal A fixed-bed coal gasifier includes an upright cylindrical wall providing a fixed-bed coal gasification chamber for gasifying coal to produce synthesis gas, with an end-piece closing off the upper end of the cylindrical wall. A coal inlet opening is provid... | 08/16/1988 |
| 4728240 | Charging installation for a shaft furnace An apparatus for distributing charge material to a shaft furnace is presented which effectively reduces the segregation of the particles in a storage housing positioned above the shaft furnace. In the present invention, the storage hopper and the distribu... | 03/01/1988 |
| 4599028 | Installation for charging a shaft furnace In a so-called bell less top type shaft furnace charging installation with rotary and angularly adjustable distribution chute (34) and one or more storage hoppers (18) which are offset with regard to the vertical central furnace axis, there are provided a... | 07/08/1986 |
| 4526536 | Cooling apparatus for use in conjunction with a charging device for a shaft furnace A water cooling apparatus is presented for use in conjunction with a charging device of a shaft furnace, particularly a shaft furnace having a bell-less top charging apparatus. The cooling apparatus essentially comprises an annular feed vat which is attac... | 07/02/1985 |
| 4493600 | Furnace charging system The movements of an oscillatory member, for example the charge distribution spout of a furnace charging system, are caused to follow the movements of a remotely located control device which may be in the form of an elongated arm. The spout and arm are rot... | 01/15/1985 |
| 4395179 | Apparatus and method for charging material into a receptacle Apparatus and method are disclosed for charging particulate material of varying sizes into a shaft furnace, such as an oil shale retort or blast furnace, in which a highly uniform distribution of particle sizes of charge material and a desired height and ... | 07/26/1983 |
| 4368813 | Distribution chute control apparatus and method Control over the direction and inclination of a charge distribution chute within a blast furnace is accomplished with a compact and reliable drive mechanism. The drive mechanism includes a rigid control rod for varying chute inclination angle and a gear d... | 01/18/1983 |
| 4322197 | Process and installation for charging a shaft furnace Material to be deposited on the hearth of a shaft furnace serially passes through a pair of temporary storage containers positioned above the furnace. The uppermost storage container is in the form of a bin open to the ambient atmosphere while the lower s... | 03/30/1982 |
| 4273492 | Charging device for shaft furnaces A furnace charging device with a fixed feed channel is positioned in the center of the furnace head. A distribution spout is pivotably supported under the fixed feed channel and has a control rod attached to the spout. A driving means is provided so that ... | 06/16/1981 |
| 4264351 | Glass melting furnace A glass melting furnace, especially fully electrically heated glass melting furnace, comprising a wall of refractory material, said wall being circular or having the configuration of a regular polygon, and wherein a supporting frame is provided at the ext... | 04/28/1981 |
| 4243351 | Method of and apparatus for charging a furnace An apparatus and process for introducing and distributing a charge within a shaft furnace, the shaft furnace charging apparatus comprising an elongated charge distribution chute, the angle of which being adjustable in relation to the vertical axis of the ... | 01/06/1981 |
| 4153140 | Lubrication technique and apparatus Lubrication for a rotary shaft positioned within the upper region of a blast furnace is accomplished by mounting a mechanically actuated pump for rotation with a reduction gear box through which the rotatable shaft is driven. The pump is periodically oper... | 05/08/1979 |
| 4138022 | Furnace top charging apparatus The present invention is concerned with a novel furnace top charging apparatus, especially of the bell-less type, having a rotating distribution chute, wherein there is provided a portal truck serving as a stand on a floor under chuting bunkers, which nor... | 02/06/1979 |
| 4074816 | Charge metering apparatus for shaft furnaces A charge metering system for a shaft furnace is disclosed. The furnace charging apparatus includes means for continuously measuring the charge material in a supply hopper and a metering valve for controlling the material flow rate from the supply hopper. ... | 02/21/1978 |
| 4029220 | Distributor means for charging particulate material into receptacles Disclosed are receptacles, such as shaft furnaces illustrated by a blast furnace and an upright oil shale retort, embodying rotatable charge distributor means for distributing particulate charge material in the furnace, which charge distributor means can ... | 06/14/1977 |
| 3963128 | Charging device for a blast-furnace The charging device for a blast-furnace is so constructed as to be lighter, smaller in overall size and cheaper than known devices. It is also more reliable and requires substantially less maintenance while it enables the charge distribution to be regulat... | 06/15/1976 |