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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 |
| 6928936 | Device for feeding pulverized coal to furnace The present invention provides a device for feeding pulverized coal to a furnace, such as a drop tube furnace. The feeding system consists of a feed hopper, a pneumatic vibrator positioned on the periphery of the feeder hopper, a needle valve arrangement in the said... | 08/16/2005 |
| 5997234 | Silicon feed system A silicon pellet feed system for use with a silicon melt furnace used to grow a silicon web. A reservoir for containing feed particles is coupled to the upper end of a feed tube. The lower end of the feed tube is positioned adjacent a pair of rotatable dr... | 12/07/1999 |
| 5967375 | Sealant melter with retrofittable sealant block feed assembly A sealant melter incorporates a sealant block feed assembly that reduces the labor required to feed sealant blocks to the sealant tank of the melter and that reduces or even eliminates the risk that hot liquid sealant will splash out of the sealant tank w... | 10/19/1999 |
| 5871325 | Thin support for PC board transfer system A transfer system that supports circuit boards as it conveys them through a reflow oven. The system uses a sag support between edge supports. The sag support does not have to move as the circuit board is transferred along the transfer system. The height o... | 02/16/1999 |
| 5766002 | Apparatus for thermally conditioning cylindrical containers Apparatus is disclosed for moving and thermally conditioning generally cylindrical containers in which the structure provides for movement of the containers about their axes and provides for a predetermined heat flow relative to the containers to change t... | 06/16/1998 |
| 5475969 | System for applying a heat-shrinkable sleeve to a container An improved system for applying labels to pharmaceutical vials or the like includes a heating tunnel assembly having an insulated heating chamber defined by a first stationary portion and a second removable portion, with a heater positioned within the ins... | 12/19/1995 |
| 5230421 | Means for storing and conveying objects, installation arrangement for the means and method for operation in a closed container The storage arrangement for operation in an autoclave with horizontal cylinder (60) includes a conveyor chain (10), which is moved on both sides back and forth over guide sprocket wheels. Shelves (1) are conveyed with the conveyor chain (10). The parallel... | 07/27/1993 |
| 5205695 | Refuse storage equipment A refuse storage equipment for temporary storage and timely discharge of refuse which includes a storage tank having a refuse charging hopper at its top and a refuse discharge port at its bottom and a plurality of dampers adapted to divide the space withi... | 04/27/1993 |
| 5141379 | Continuous furnace for the heat-treatment of workpieces A continuous furnace for the heat-treatment of workpieces comprising an endless chain-like conveyer belt (18) consisting of a ceramic material and having a plurality of links (34, 34', 34", 34'"; 36, 36',36', 36""; 38, 38', 38") which are arranged one bes... | 08/25/1992 |
| 5133400 | Apparatus for rotating and moving an ingot mold table in a vacuum melting and casting unit A mold table is linearly moved into a pouring position or a resting position in a vacuum casting unit and rotates around its vertical axis so that the ingot molds disposed on the mold table can be individually positioned in front of the pouring nose of a ... | 07/28/1992 |
| 5085552 | Surge feeder for feeding refuse material into a furnace A surge feeder for feeding refuse material into a furnace comprises a plurality of rollers mounted on a base supporting the rollers above the feed opening to the furnace. A chain and sprocket drive mechanism is mounted to the base and serves to counter-ro... | 02/04/1992 |
| 5074225 | Mechanism for feeding solid materials A mechanism for feeding solid material, e.g. wood in a wood-burning furnace, has a pair of rollers. The rollers are rotatably mounted, so as to be generally horizontal and substantially parallel to one another. The rollers are spaced apart to permit the s... | 12/24/1991 |
| 5030054 | Combination mechanical/pneumatic coal feeder A combination mechanical/pneumatic fuel feeder for feeding particulate fuel into a furnace and having a closely coupled hopper, fuel metering device, rotor and air swept delivery plate.... | 07/09/1991 |
| 4865016 | Automatic log feeder for fireplaces An automatic log feeder for fireplaces is provided which includes an upper horizontal conveyor, an intermediate carriage mechanism and a lower horizontal conveyor. The upper horizontal conveyor is used to store a plurality of logs outside of a building an... | 09/12/1989 |
| 4715763 | Dry ash removal system A hopper for use in a dry ash removal system is structured with a front elevational profile which converges from top to bottom while the side elevational profile of same diverges from top to bottom to allow substantially uniform hopper cross-sectional are... | 12/29/1987 |
| 4705443 | Apparatus for stoking a combustor An apparatus for feeding a combustor with viscous bulk material, particularly coal slurry, comprises two silos which are associated with at least one conveyor system, for transporting the bulk material from the silos to a plurality of fuel-feeders in the ... | 11/10/1987 |
| 4444538 | Automatic log feeder An automatic log feeder is provided which includes a hopper for retaining a plurality of logs. The hopper includes a plurality of generally parallel and vertically arranged compartments which are adapted to each hold a single row of logs. The hopper has a... | 04/24/1984 |
| 4426185 | Feeder for particulate material A feeder comprising in combination a vessel (10) of substantially circular cross section that contains an en-masse conveyor (11) that is constrained to pass through a trough (161, 162) spaced from the internal wall of said vessel so ... | 01/17/1984 |
| 4312279 | Compactor-feeder for solid waste incinerator Converging upper and lower conveyors transport loose waste from a receiving hopper toward an incinerator combustion chamber entrance at an adjustably predetermined normal rate, cooperating to compact the waste into a continuous plug and to force the plug ... | 01/26/1982 |
| 4126119 | Heating device A heating device such as a fireplace has a fire box with an opening in one side and an arrangement for feeding long logs, at least two at a time parallel with one another, through the opening. The device includes an enclosure for the logs and may include ... | 11/21/1978 |
