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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 6206199 | Method and an apparatus for recycling different components in a multiple layer material In order to recover the various components of multiple layer materials, a method uses a refiner or disperser including mutually opposing rotating discs having material engaging surfaces or elements such as teeth. The method includes: adjusting a gap betwe... | 03/27/2001 |
| 5433849 | Double drum waste water screen An interior wedge wire drum screen is mounted wholly within an exterior drum screen of narrower wedge wire spacing, and both are mounted to a frame and caused to rotate about a common central axis. One end of the outer drum is open and the other is closed... | 07/18/1995 |
| 5398814 | Granular material conveying apparatus with perforated center tube A granular material conveying system for conveying granular materials and filtering fine particles from the granular materials is configured for rotatably conveying granular materials about an axis in a longitudinal direction along the axis. The system in... | 03/21/1995 |
| 5030348 | Arrangement for an inlet and outlet in a rotating drum sieve An arrangement for an inlet and an outlet in a rotating drum sieve for the separation of solid particles from a liquid mixed with particles in which a drum sieve comprises a drum casing provided with a sieve opening and a feed screw situated internally wi... | 07/09/1991 |
| 5019248 | Apparatus for grading fibrous material An apparatus for separating different phases of dry material, such as plant fibers, from each other includes a rotating hollow body on an inclined axis with an inner perforated wall, an outer perforated wall, and partitions at spaced intervals within the ... | 05/28/1991 |
| 4933073 | Drum for separating castings and molding sand or the like A rotating drum (1) for cooling and separating castings and molding sand has a foraminous liner (27, 8). In a first part (28) thereof there are sand raising vanes (17) between this liner (27) and the closed wall (28) of the drum to raise sand, passing thr... | 06/12/1990 |
| 4857180 | Rotating disc screen A screening apparatus is provided having a plurality of axially aligned discs or rings which are lined up one behind the other, spaced a predetermined distance from each other and rotate as a single unit about a central longitudinal axis. A large central ... | 08/15/1989 |
| 4509697 | Rotary drum screen for waste material and its method of operation A rotary drum screen which exhibits baffles with impact plates extending in the direction of the periphery and a diameter which makes it possible to break up the refuse beforehand through free fall. The upper edge of the impact plates can have a saw tooth... | 04/09/1985 |
| 4507202 | Device for the separation of a liquid The present invention relates to a device for the separation of a liquid from a sludge (12) or a liquid containing particles by means of a rotatable drum (1), inside which an inlet device for the supply of a sludge (12) or of a liquid containing particles... | 03/26/1985 |
| 4399029 | Apparatus for the concentration and sorting of solid waste materials according to their shapes, their sizes and their flexibility Apparatus for the concentration and sorting of solid waste materials according to their shapes, dimensions, and flexibility without breaking recyclable items. For this purpose, the collar 10 of the apparatus which also comprises a means for extracting fle... | 08/16/1983 |
| 4312750 | Grain cleaning apparatus A grain cleaning apparatus (10) for removing coarse and fine foreign materials from dirty grain before storage. The grain cleaning apparatus includes counter-rotating screen drums (18,20). Dirty grain is received in a frusto-conically shaped inner drum (1... | 01/26/1982 |
| 4303508 | Screening device A screening assembly is provided including a closed housing having an inlet and a first outlet, and a second outlet. A screen drum having a plurality of circumferential slots is mounted for rotation in the housing so that liquid passing from the inlet to ... | 12/01/1981 |
| 4282090 | Rotary sifting device A sifting or screening device includes inner and outer concentric screened enclosures which rotate about a common axis. An inlet is provided at one axial end of the inner enclosure and an outlet is provided at the opposite axial end of the enclosures for ... | 08/04/1981 |
| 4278384 | Apparatus for severing packages containing granular or powder-like matter and severing the matter therefrom Apparatus is disclosed for severing severable wrappers or packages containing granular or powder-like matter and for separating the matter from the severable packages. The apparatus comprises a helical screw, made of band-shaped foil wound helicoidally ar... | 07/14/1981 |
| 4254874 | Device for collecting and processing tree stumps A mobile vehicle is provided with a rotatable, motor driven container which has at one end thereof a first opening for both receiving and discharging tree stumps therefrom. A second opening is formed in the container for discharging earth, sand, stones et... | 03/10/1981 |
| 4240589 | Rotary bark screen A self cleaning rotary screen apparatus is disclosed which comprises an outer shell formed from a plurality of spaced cylindrical hoops that are welded to a plurality of longitudinal bars which extend the full length of the shell. The hoops are variably s... | 12/23/1980 |
| 4133748 | Material separator A material separator includes a housing defining a settling chamber, a communicating drain chamber and a discharge member. A horizontal screw conveyor extends through the settling chamber and drain chamber to the discharge chamber. Material to be separate... | 01/09/1979 |
| 4127478 | Machine for salvaging waste concrete material A machine for receiving mixed concrete from a ready mix truck provides a receiving hopper and an elevator for lifting the material therefrom arranged to discharge it into a classifying rotating drum incorporating a spiral conveyor into which water is spra... | 11/28/1978 |
| 4098685 | Apparatus and method for separating lead battery materials Lead battery components such as metallic grids and paste are fed into a tumbling drum which has inlet and outlet ends and an intermediate region in which there are screens for the fine particles of paste to discharge to the exterior of the drum. Water is ... | 07/04/1978 |
| 4083775 | Ballast cleaner A screening device suitable for cleaning railroad ballast which has become fouled with use, and of the type in which ballast to be cleaned is fed into a screen member to separate the coarse or ballast stone from the fines, the stone being reused to ballas... | 04/11/1978 |
| 3998262 | Casting shake-out unit and method of operation In a casting shake-out unit comprising a longitudinal cylinder being approximately horizontally disposed is driven in rotation by means of a motor, the cylinder includes a concentric inner cylinder formed as an apertured surface having rifling arranged he... | 12/21/1976 |
