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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 |
| 7434513 | Flexible high density array print head with systems and methods for aligning pin plate, reservoir and substrate with respect to each other Systems and methods for aligning High Density Array (“HDA”) pin plates, substrates and reservoirs with respect to each other. The system includes a flexure having a flexible print head, elongated members flexibly connected off-axis to the system and a pin plate ... | 10/14/2008 |
| 7051880 | Air classifier to separate solids while eliminating emissions An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in resp... | 05/30/2006 |
| 6382427 | Pistachio separator An apparatus for separating hulled and unhulled pistachios includes a rotating drum and a conveyor for depositing pistachios onto the drum. Rotation of the drum frictionally separates hulled and unhulled pistachios.... | 05/07/2002 |
| 6376256 | Rapid process for arraying and synthesizing bead-based combinatorial libraries A mixture of beads of uniform size from is deposited in an array by establishing discrete attachment areas each consisting either of a droplet of adhesive or a small area of a continuous adhesive layer exposed through an aperture in a mask. Beads which ar... | 04/23/2002 |
| 5720395 | Method and apparatus for removing hulls from a nut mixture An apparatus (10) and method for removing hulls (152) from a nut mixture (150) is described. The apparatus includes a gravity feed bin (12), a conveyor (28) and removal units (38). The removal units include a drum (40), a position roller (50), a beater (5... | 02/24/1998 |
| 5301810 | Method and apparatus for removing plastic from wood chips Apparatus and process for removing unwanted foreign material from particulate material. The apparatus and process find particular application in the pulp and paper industry to remove contaminating plastic material from wood chips. The apparatus includes a... | 04/12/1994 |
| 5066388 | Process and apparatus for disengaging and separating bitumen from pulverized tar sands using selective cohesion Process and apparatus for disengaging organic, bituminous material from pulverized bituminous ores and for recovering a concentrated mixture of the bituminous material and water. Wherein the apparatus comprises a pulverizer to pulverize the ores to be pro... | 11/19/1991 |
| 4865720 | Debris separator system A debris separation system including a rock grizzly having relieved rails for inhibiting rock hang up, a vibrating grizzly having rods of alternating height for aligning limbs with the rod openings, a fines separating screen, and a rotary air separator fo... | 09/12/1989 |
| 4839033 | Apparatus for separating spherical from non-spherical particles An apparatus for separating particles in accordance with the sphericity of the particles is disclosed. The apparatus includes a housing which is supplied with air having a desired humidity, and which accommodates therein a cylindrical rotor with a horizon... | 06/13/1989 |
| 4824559 | Rotary air separator A rotary air separator having a manifold with a side opening and an end opening. A cylindrical screen rotates around the manifold over the side opening and the end opening is connected to a vacuum source. Vanes in the manifold segregate the side opening i... | 04/25/1989 |
| 4597791 | Gold recovery processes The present invention relates to a process for the separation of gold from particulate material containing gold, which comprises introducing a hydrophobic liquid, a non-gold particulate hydrophobic bulking material and particulate, gold containing materia... | 07/01/1986 |
| 4532030 | Apparatus and method for separating produce such as raisins A novel apparatus and method for separating good raisins from moldy raisins. The apparatus comprises two conveyor belts which are rotatably mounted to a frame by suitable rollers. The belts are oriented so as to overlap one another slightly, and such that... | 07/30/1985 |
| 4338112 | Method for controlling particulate emissions from a glass furnace A process for the manufacture of glass is disclosed. Dried glass batch agglomerates are used as the media in an electrified filter bed, preheated with furnace exhaust gases, and then fed to a glass melting furnace. Exhaust gases from the preheating are el... | 07/06/1982 |
| 4338113 | Method for controlling particulate emissions A process for preheating glass batch ingredients is disclosed. The invention uses a heat exchange method that employs furnace exhaust gases. The exhaust gases are electrically charged and passed through an electrified bed of heat transfer media to remove ... | 07/06/1982 |
| 4334987 | Method of separation of solid phase in drilling mud The method of separating the solid phase in a drilling mud includes forming from the drilling mud an adhesion layer 2 on a rotated curvilinear closed surface 3 partly projected into the drilling mud. Then a portion of this adhesion layer is separated onto... | 06/15/1982 |
| 4303505 | Selective separation of hydrophilic component from mixtures using pastes A process for selectively removing hydrophilic constituents from flowable hydrophobic mixtures and suspensions which comprises forming a tenacious paste by mixing water with finely divided material which is insoluble or substantially insoluble in water an... | 12/01/1981 |
| 4251352 | Inclined separation screen for agitation tank An improvement in the screen circumscribing or partially circumscribing the rim of an agitation tank is disclosed. A screen substantially impermeable to the charcoal is provided which is inclined inwardly at an angle between about 35° and 55° from verti... | 02/17/1981 |
| 4182673 | Dust precutter and method A selective and effective collection of noninhalable and/or nonrespirable particulates employs inertial impaction to separate particles larger than a specified size from smaller particulates in an airstream and to collect them on a moving adhesive collect... | 01/08/1980 |
| 4165278 | Separator for shredded materials Apparatus for automatically and selectively separating the components of an admixture of shredded materials in a scrap metal reclamation process according to the individual weights of such components. The apparatus includes conveying means for transmittin... | 08/21/1979 |
| 4143665 | Machine for shelling beans or peas and for separating particles therefrom Shelling apparatus for shelling beans, peas, or other legumes, comprises a shelling bin for shelling legumes comprising a wire mesh basket having a cylindrically shaped wire mesh wall with a closed side at one end and an open side at the other end, wherei... | 03/13/1979 |
| 4049544 | Method and device for separating particles A method and a device to separate conductive particles from a mixture of conductive and non-conductive particles comprising a carbon element extending along and close to but out of contact with a metal drum the carbon element being connected to one termin... | 09/20/1977 |
| 4024878 | Cigarette making machines A continuous-rod cigarette-making machine of the type in which tobacco is conveyed from a hopper to a winnowing zone and there thrown across a rising airstream which entrains the tobacco and carries it up to the lower face of a suction conveyor on which a... | 05/24/1977 |
