...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4357112 | Beater A device for preparing a beaten product and including a beater assembly driven rotatively about a generally vertical axis, with the beater assembly including a rotor body having vertically spaced upper and lower portions containing recesses, and a blade u... | 11/02/1982 |
| 4325642 | Storage and homogenizing tank for kaolin suspensions Kaolin suspension homogenizing and storage tank provided with at least a single mixing device mounted on its side wall. The mixing device includes a propeller or paddle impeller with inclined blades, the diameter of which is 1/15 to 1/30 of the diameter o... | 04/20/1982 |
| 4279135 | Dyeing, washing and/or milling A dyeing washing and/or milling machine particularly useful for dyeing woollen components including an annular working fluid reservoir and rotating paddle members which pass into and out of the reservoir to circulate the fluid therein. The apparatus may f... | 07/21/1981 |
| 4264215 | Separable blade impeller A symmetrical, balanced, glass coated, four bladed impeller for use in closed vessels having blades arranged so that the impeller may fit through a relatively small manhole even though the effective diameter of the impeller is substantially larger than th... | 04/28/1981 |
| 4256406 | Agitator and driving means therefor Driving means for agitators and other devices having vertically disposed driven shafts which includes an intermediate shaft carried by bearings capable of withstanding thrust and radial loads, a coupling connecting the driven shaft to the lower end of sai... | 03/17/1981 |
| 4255039 | Photographic film and paper processing equipment Equipment is provided for processing of photographic film and paper using roller transport systems which transport the photographic film and paper through a succession of processing tanks with liquids therein for processing and in which the respective liq... | 03/10/1981 |
| 4253942 | Apparatus for the separation of mixtures of particulate solids of different density The present separation apparatus makes it possible at low cost continuously to separate a mixture according to the density of its constituent particles which have been graded to an upper limit of the particle size of any shape, and is particularly suitabl... | 03/03/1981 |
| 4252446 | Mixing head for reactive components A mixing head for mixtures of reactive components, e.g. two-component synthetic-resin systems to be discharged into a mold, in which the orifices for the two components open into a mixing chamber and can be selectively blocked or unblocked by a plunger or... | 02/24/1981 |
| 4218323 | Pellet free rotor for centrifugal pellet dryers Lifter blades are mounted for rotation by a rotor assembly within a foraminous housing to centrifugally dry pellets impelled upwardly through the housing by the blades. Accumulation of pellets on the rotor is minimized by elimination of vertical entrappin... | 08/19/1980 |
| 4213713 | One piece agitator for closed vessel A one piece enameled agitator is equipped with an impeller that can be wound or threaded through an opening in an associated container or vessel that is smaller than the impeller diameter.... | 07/22/1980 |
| 4208134 | Apparatus and method for mixing material A mix for batch mixing a treatment agent and a particulate material comprises a mixing chamber having at least one mixing member rotatably mounted therein. Outlet means is positioned to receive the mixed batch of material from the mixing chamber. The mixi... | 06/17/1980 |
| 4201482 | Perforated mixing elements for static and dynamic mixers A mixing insert of solid material into which intersecting channels are drilled is particularly suitable for use as a static mixer for highly viscous liquids. The insert provides a high quality of mixing while withstanding pressure differences of more than... | 05/06/1980 |
| 4198383 | Apparatus for continuous preparation of acrylonitrilebutadienstyrene copolymer Method and apparatus for continuous preparation of an acrylonitrilebutadienestyrene copolymer comprises on-stream mounted: a prepolymerization reactor, a polymerization reactor, a reactor for the final polymerization and an apparatus for the removal of th... | 04/15/1980 |
| 4180332 | Dust stop A seal arrangement for the shaft of a high intensity mixer rotor comprises a block housing a plurality of pistons which together urge a collar axially of the shaft into engagement with a sealing surface of the rotor. The pistons are mounted in chambers in... | 12/25/1979 |
| 4174907 | Fluid mixing apparatus A fluid mixing apparatus having means for producing vortex-like motions of the fluids introduced therein, one embodiment of such an apparatus, for example, using two concentrically mounted inner and outer members, preferably cylindrical, moveable relative... | 11/20/1979 |
| 4172668 | Mixing apparatus A mechanized emulsifier is disclosed for mixing water and hydrocarbon fuels for boilers and internal combustion engines. A rotor is driven in an annular chamber and liquids drawn in at the axis of the rotor are thrown out through narrow radial passages th... | 10/30/1979 |
| 4153374 | Homogenizer apparatus Disclosed is improved homogenizer apparatus of the type capable of operating in the range of 60,000 revolutions per minute. A motor is mounted to a motor support frame structure which in turn is mounted to the cabinet of the homogenizer. Two shafts are mo... | 05/08/1979 |
| 4146333 | Kitchen apparatus for producing farinaceous products A household appliance, to be used in the production of spaghetti, noodles and other farinaceous products, has a housing which contains a generally semicylindrical mixing vessel axially traversed by a horizontal shaft fitted with a set of axially spaced an... | 03/27/1979 |
| 4140402 | Mixing means for asphalt material A mixer means for asphalt materials, particularly Trinidad Lake Asphalt. It has a revolving rotor assembly which carries longitudinally-extending mixer blades, the blades being perforate and thereby providing more thoroughness of the mixing procedure by w... | 02/20/1979 |
| 4121779 | Mechanical separator for plant material A mechanical separator having a container providing a chamber for receiving plant material, such as herb plants, spice plants and the like, a motor driven substantially flexible member being rotatably supported for substantially free form random thrashing... | 10/24/1978 |
| 4070957 | Ice cream machine Machine adapted to be incorporated in a refrigeration chamber of a refrigerator to make ice cream, comprising means for containing an ice cream mix in an agitation vessel and agitating the same, and means for causing an air layer on the outer surface of t... | 01/31/1978 |
| 4046358 | Method and apparatus for mixing and dispensing material The method may be employed for the mixture of certain types of products which require two or more component chemicals or compounds that must be mixed together immediately prior to use. The method comprises mixing the two compounds in the usual fashion ins... | 09/06/1977 |
| 3980281 | Agitated vessel accessories with vibration suppressing stabilizers Cantilevered accessories for vessels in which a liquid is agitated by a centrally located rotary agitator are provided with vibration suppressing stabilizer plates. The plates are mounted near the free end of the accessories, within the liquid in the vess... | 09/14/1976 |
| 3976431 | Wiped-wall reactor In an essentially horizontal totally enclosed cylindrical wiped-wall polymer reactor having an essentially horizontal polymer flow, a pool of polymer in its lower portion, and driven wheels to create high surface area in the polymer to facilitate evaporat... | 08/24/1976 |
| 3964732 | Apparatus for mixing molding sand A molding sand mixer comprises an elongated tub with a pug mill type agitator therein. The agitator comprises a series of paddles mounted an an oblique angle on a shaft. Blade portions of the paddles which sweep the wall of the tub have a greater circumfe... | 06/22/1976 |
| 3940116 | Ice dispenser An ice storage and dispensing device for flaked or other particulate ice which maintains the ice in an agitated dispensable condition or state. The device includes a hopper equipped with an agitator having a rotatable shaft and axially and angularly space... | 02/24/1976 |
| 3934758 | Refrigerated beverage dispenser-mixer A beverage dispenser-mixer capable of storing, cooling, mixing and serving beverages incorporates a thermally insulated, open-ended refrigerating enclosure with inside walls composed of a thermally conductive material communicating with a refrigerating me... | 01/27/1976 |