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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 |
| 7354266 | Replaceable lump breaker system for a rotary kiln A rotary kiln for pyroprocessing particulate material includes a cylindrical kiln shell supported for rotation about a longitudinal central axis. The kiln has a discharge opening that includes a lump breaker system. The lump breaker system includes multiple insert r... | 04/08/2008 |
| 7172414 | Rotary tubular kiln for the production of activated carbon The present invention relates to a rotary tube (1), in particular for a rotary tubular kiln for the production of activated carbon, said rotary tube (1) having a plurality of mixing elements (3), in particular metal turning plates, said mixing e... | 02/06/2007 |
| 6474985 | Toothed grate for rotary kiln peripheral discharge openings A rotary kiln for pyroprocessing particulate material includes a cylindrical kiln shell supported for rotation about a longitudinal central axis. The kiln has a plurality of circumferentially spaced peripheral openings provided in the kiln shell near its ... | 11/05/2002 |
| 6386422 | Solder reflow oven A solder reflow oven for the processing of ball grid array substrates bearing solder balls is described, comprising: input means for introducing substrates into the oven, a processing chamber within which the substrates are subject to a solder reflow proc... | 05/14/2002 |
| 6312252 | Cooler for combustion products Cooler for combustion products, with a conveyor through which air flows, which cooler is formed by a stationary grate surface (7) and a conveyor (8). The conveyor contains a plurality of drivers (9) moved at a distance from one another over the grate surf... | 11/06/2001 |
| 6290493 | Grate plate for cooler A plate globally shaped like an upturned caisson with a bearing surface (10) for supporting and driving forward a bulk material layer to be cooled with a cooling gas passing through the platex. The plate front part (10b), viewed in the material forward mo... | 09/18/2001 |
| 5738510 | Rotary kiln cooler An annular cooler for a rotary kiln having a series of tubes longitudinally extending parallel to the axis of kiln and radially spaced therefrom. The tubes have flights mounted therein for carrying and moving clinkers discharged from the lower end of the ... | 04/14/1998 |
| 5636982 | Method and apparatus for acoustically enhancing cooling of clinker A method and apparatus for acoustically enhancing cooling of molten liquid. In one embodiment, a cement plant has a mill in which raw materials are mixed and ground into a powder, a kiln in which the powdered raw material undergoes a calcining process and... | 06/10/1997 |
| 5562443 | Rotatable cooler for a rotary kiln plant A cooler (6) for cooling of particulate material which is subjected to heat treatment in the rotary kiln is mounted at the material outlet end (1) of a rotary kiln. The cooler is provided with annular chambers (7, 8, 9) disposed around each other, and whi... | 10/08/1996 |
| 5447431 | Low-gas temperature stabilization system The temperature of articles in an "environmental" chamber is stabilized by evacuation of the "environmental" chamber, after having stabilized the temperature of such an article to approximate that of a controlled-temperature member spaced from the article... | 09/05/1995 |
| 5433597 | Rotary kiln inlet An inlet for a rotary kiln comprises a plurality of arcuate segments supported adjacent the inlet opening of the kiln to form a trough protruding through the inlet opening. Each of the segments is hollow and has an opening through which a cooling medium m... | 07/18/1995 |
| 5350296 | Method and device for cooling a rotary kiln In a method for cooling a rotary kiln having a cylindrical outer jacket, cooling air is blown at high speed radially towards the jacket from an annular supply-air chamber surrounding the jacket and having a perforated inner wall which is located at a slig... | 09/27/1994 |
| 5302119 | Hot cement clinker cooler pocket grate Cooler pocket grate for use in conveying hot clinker from discharge end of cement kiln to cooled clinker processing area. Alternate stationary and moving grates constructed as stainless steel castings are provided with upper surface ridges having through ... | 04/12/1994 |
| 5018968 | Revolving grate cooler for cooling of clinker or similar products A revolving grate cooler for cooling of clinker or similar products comprising a tubular shaped body having a plurality of holes. A plurality of curved metal cooling plates having a plurality of openings are secured to a front inner surface of the body, a... | 05/28/1991 |
| 4892736 | Intra-pocket drug delivery devices for treatment of periodontal diseases Therapeutic agent delivery devices and methods for using them in treatment of dental disease are disclosed. In the treatment of periodontal disease, a therapeutic agent such as tetracycline mixed in a polymeric matrix such as ethylene vinyl acetate copoly... | 01/09/1990 |
| 4880379 | Method for transforming a rotary kiln intended in particular for the manufacture of cement, kiln obtained by this method and burning line equipped with this kiln The present invention concerns a method for transforming a rotary kiln equipped with a planetary cooler and intended in particular for the manufacture of cement, a kiln obtained by this method and a burning line equipped with this kiln, the kiln being con... | 11/14/1989 |
| 4826429 | Apparatus for uniformly cooling pyroprocessed particulate material Apparatus for cooling a bed of pyroprocessed particulate material such as lime received from a source such as a kiln, the cooler including a shaft with one or more underlying hoppers through which the material flows as cooling air is forced upwardly there... | 05/02/1989 |
| 4728288 | Apparatus for uniformly cooling pyroprocessed particulate material Apparatus for cooling a bed of pyroprocessed particulate material such as lime received from a source such as a kiln, the cooler including a shaft with one or more underlying hoppers through which the material flows as cooling air is forced upwardly there... | 03/01/1988 |
| 4728287 | Apparatus for uniformly drawing and cooling pyroprocessed particulate material Apparatus for cooling a bed of pyroprocessed particulate material such as lime received from a source as a kiln, the cooler including a shaft with one or more underlying hoppers through which the material flows as cooling air is forced upwardly therethrou... | 03/01/1988 |
| 4668183 | Lifting element for pipe coolers for material produced at least partially in lumps A lifting element (5) for pipe coolers for material produced at least partially in lumps, e.g. clinker, has a mounting portion (8) fixed to the shell (1) of the pipe cooler, and a carrier portion (9) which extends essentially at right angles thereto and c... | 05/26/1987 |
| 4654004 | Controller for clinker cooler A controller for a clinker cooler for cooling high temperature clinker supplied from a rotary kiln by controlling the quantity of high temperature clinker cooling air at a constant value comprising maintaining the pressure at the rear side of a baffle pla... | 03/31/1987 |
| 4624614 | Method and apparatus for pack cooling flat stock An apparatus for pack cooling flat stock to be retrofitted to a standard cooling bed. The apparatus includes collecting means having a plurality of stacker arms mounted for movement with respect to the stationary notch bars of the cooling bed between a fi... | 11/25/1986 |
| 4624636 | Two stage material cooler A two stage material cooling apparatus for cooling hot particulate material such as cement clinker discharged from a furnace such as the rotary kiln. The first stage includes a direct heat exchanger such as a reciprocating grate type heat exchanger or an ... | 11/25/1986 |
| 4615677 | Arrangement for recovering the sensible heat of dumpable hot stock An arrangement for recovering the sensible heat of dumpable hot stock includes a continuous conveying belt guided about at least two deflection pulleys and formed by articulately connected plates. The carrying run of the conveying belt with the hot stock ... | 10/07/1986 |
| 4592719 | Apparatus for manufacturing plastic bottles from molded hollow preforms Upon leaving the mold, plastic bottle preforms are engaged internally and/or externally by pneumatic suction grips which form an annular chamber (15, 27) through which atmospheric cooling air is circulated. This increases the rate of production of the pre... | 06/03/1986 |
| 4580353 | Apparatus and method for air cooling hot rolled steel rod A conveyor has successive mutually spaced driven rollers in which hot rolled steel rod is transported in the form of overlapping offset rings. The rings are rapidly air cooled by first nozzles which direct first jets of cooling air upwardly to impinge aga... | 04/08/1986 |
| 4554876 | Rotary kiln with cooler A rotary kiln has a sealable separating gap between the kiln outlet head and an inlet shaft leading to a cooler. In order that the shortest possible drop height for the fired material falling out of the discharge end of the rotating cylinder may be mainta... | 11/26/1985 |
| 4545763 | Inlet for a cooler in a rotary furnace The invention relates to an inlet for a cooler in a rotary furnace. The lining of the inlet opening comprises a frame structure masoned of prefabricated lining blocks and a similarly prefabricated central part. The central part comprises a steel mould, a ... | 10/08/1985 |
| 4515560 | Grill element of cast metal for solid-fluid heat exchange at very high temperature comprising a latching device which is integrated in the grill structure The cast metal grill element, which is the subject of this invention, concerns an apparatus for heat exchange between a solid in the divided condition, at high temperature, and a fluid, and comprises a plate of refractory steel, which is apertured with ho... | 05/07/1985 |
| 4492570 | Calcining system provided with a planetary cooler A calcining system wherein raw material is preheated by raw material preheating device for preheating the raw material by contact with a gas, calcined in a rotary kiln and cooled in a planetary cooler; a portion of cooling gas used for cooling the calcine... | 01/08/1985 |
| 4460333 | Furnace grate A cooler grate for hot cement clinker is provided with a plurality of rows of air holes and the bottom face of the grate is formed with a plurality of fins which undulate between the successive air holes to impart strength to the grate and turbulence to t... | 07/17/1984 |
| 4457705 | Calcining system for the manufacture of cement clinker and the like A calcining system for the manufacture of cement clinker and the like including the combination of a preheater into which the raw material to be calcined is introduced, a rotary kiln which receives the preheated material either directly or through a preli... | 07/03/1984 |
| 4362503 | Planetary cooler A planetary cooler has a plurality of circumferentially spaced cooling tube supports each of whichhas a pair of axially spaced side plates and an insert with two flanges which are fitted into openings in the side plates and welded to the latter. Each flan... | 12/07/1982 |
| 4353687 | Rotary kiln A rotary kiln having a plurality of outlets for passage of material from within the kiln to associated cooler tubes mounted in use in planetary fashion around the outlet end of the kiln. Each kiln outlet has a tubular support to which the inlet end of the... | 10/12/1982 |
| 4277235 | Process of producing cool agglomerated solids In a process and plant for producing cool sintered particulate agglomerated solids of ore, the solids are moved in a continuous stream through a heat-treating zone to form a layer of the agglomerated solids and hot particles thereof are obtained from the ... | 07/07/1981 |
| 4255129 | Apparatus and method for processing organic materials into more useful states A method for processing various organic materials such as lignocellulosics or biomass into more useful states, such as charcoal, carbon black, and coke, and other processed products while producing useful off-gases, includes feeding aggregate pieces of th... | 03/10/1981 |
| 4243384 | Rotary kiln A rotary kiln (1) having a plurality of cooler tubes (2) arranged in a planetary fashion therearound. The cooler tubes (2) rest in saddles in a ring-shaped member (3) surrounding the rotary kiln and are retained in the saddles by caps (4) with clearance s... | 01/06/1981 |
| 4243382 | Material distributing means for rotary drum type heat treatment apparatus Rotary drum type heat treatment apparatus having a rotary drum rotatable about a longitudinal axis. The drum has an outlet end and the apparatus includes a cooling section having a movable grate with one end disposed beneath the outlet end of the rotary d... | 01/06/1981 |
| 4222736 | Rotary tubular kiln and satellite cooler therefor with improved support means Individual suspension of satellite cooling tubes with the aid of wire cables in the region of the discharge end of a revolving tubular kiln in two support locations spaced apart on the axial direction. Each suspension unit comprises a number of suspension... | 09/16/1980 |
| 4222735 | Cylindrical rotary kiln with satellite cooling tubes Satellite cooling tubes are mounted about a cylindrical rotary kiln, and funnel-shaped couplings connect one end of each cooling tube to the cylindrical kiln. A pair of cylindrical discharge spouts and connecting sockets are connected between the kiln and... | 09/16/1980 |
