Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7699178 | Particulate sifter The purpose of the invention is to prevent accumulation of particulates on the outside of a net body of a particulate sifter having a cylindrical net body and to extend the lifetime of the net body. To achieve the purpose, in a particulate sifter which is provided w... | 04/20/2010 |
| 7513370 | Portable screening machine A portable screening trommel having a chassis, at least one wheel assembly at a rear portion of the chassis, a hopper for receiving a material, a rotary trommel being chain driven at a discharge end and which receives the material from a feed conveyor beneath the ho... | 04/07/2009 |
| 7383956 | Woodwaste recycling apparatus and method A woodwaste processing trommel apparatus has a rotating trommel for receiving and separating woodwaste by size. An elongated electrode is mounted within the trommel and has a polarized electric charge thereon for attracting plastic pieces having a static electric ch... | 06/10/2008 |
| 7273150 | Portable screening machine A portable screening trommel having a chassis, at least one wheel assembly at a rear portion of the chassis, a hopper for receiving a material, a rotary trommel being chain driven at a discharge end and which receives the material from a feed conveyor beneath the ho... | 09/25/2007 |
| 7131538 | Material classifier having a scoop wheel A material classifier for classifying a liquid-solid mixture containing solid material to be separated. The material classifier includes a tank and an angularly mounted scoop wheel for scooping solid material which has settled on the bottom of the tank. ... | 11/07/2006 |
| 7080742 | Method and apparatus for improving silicon processing efficiency A method for processing polycrystalline silicon workpieces to form size distributions of polycrystalline silicon pieces suitable for use in a Czochralski-type process includes: (1) preparing a polycrystalline silicon workpiece by a chemical vapor deposition process;... | 07/25/2006 |
| 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 |
| 6938779 | Screen assembly for a shale shaker A screen assembly for a shale shaker comprising a panel and a support structure, the panel having an area provided with a multiplicity of apertures and at least one layer of screening material arranged over the multiplicity of apertures, wherein said panel is remova... | 09/06/2005 |
| 6910586 | System and method for folding conveyors A hydraulic ram assembly adapted to move parts of a conveyor between a number of pre-defined positions. In one embodiment of the invention, the hydraulic ram assembly consists of a single hydraulic ram, pivotally coupled at one end to the chassis of a trommel, and p... | 06/28/2005 |
| 6874713 | Method and apparatus for improving silicon processing efficiency A method for processing polycrystalline silicon workpieces to form size distributions of polycrystalline silicon pieces suitable for use in a Czochralski-type process includes: (1) preparing a polycrystalline silicon workpiece by a chemical vapor deposition process;... | 04/05/2005 |
| 6868973 | Drum type refining or washing apparatus The present invention provides a drum type refining or washing apparatus in which the refining or washing efficiency of a pulp suspension or a food suspension is remarkably enhanced by the filtration function of a rotary drum and by the filtrate sucking force of a f... | 03/22/2005 |
| 6860392 | Device for concentrating metallic coins produced from shredder operations A separator is disclosed for mechanically separating objects having one size dimension less that a predetermined threshold size. The present separator comprises a cylindrically- or barrel-shaped device having one or more louvers. The barrel is oriented at a preset a... | 03/01/2005 |
| 6827222 | Gravel sorter A mobile gravel sorter, which is arranged to move in a direction of travel along a road, comprising a gathering unit which is arranged to gather up granular material from a roadway as the gravel sorter moves in the direction of travel, a sorting unit (30) for... | 12/07/2004 |
| 6261454 | Device for treating, in particular washing, gluten or the like Device for washing gluten, provided with at least one drum screen rotatably supported on a corrosion-resistant shaft, and equipped with means for supplying and discharging washing water and also with means for supplying the material to be treated at the o... | 07/17/2001 |
| 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 |
| 6109450 | Apparatus for separating unwanted contaminants from fibrous slurry The invention provides an apparatus for screening a fibrous slurry including a rotatable drum whose circumferential wall includes a screen. The screen has spaced openings with longitudinal axes or elongations which are large relative to the transverse axe... | 08/29/2000 |
| 6019227 | Extractor and separator apparatus The present invention is an apparatus that will extract a desired material from an undesired material. The apparatus of the present invention comparison a front portion, a middle portion, and a back portion. The front portion includes the driving method f... | 02/01/2000 |
| 6006921 | Transportable trommel assembly A transportable trommel assembly is provided with a frame, a cylindrical trommel screen, having an infeed end and a discharge end rotatably mounted to the frame, and conveyors for carrying away sized material from the trommel screen. An infeed conveyor is... | 12/28/1999 |
| 5984106 | Machine for sorting solid objects The machine includes a modular rotary drum (10) consisting of various individual sections (10a, 10b, 10c, 10d, 10e) each having a frustoconical shape converging in the direction of progression of the objects to be sorted. The walls of the various sections... | 11/16/1999 |
| 5968315 | Process and apparatus for screening a fibre suspension in a pressurized screen having a rotating screen-drum The present invention relates to an apparatus and a process for screening a fibre suspension such as papermaking stock in a pressurized screen especially in connection with pumping the liquid. The invention also relates to the use of the apparatus in a pr... | 10/19/1999 |
| 5915569 | Device for separation and proportioning of different sized objects such as hulls and end pieces originating from cutting irradiated nuclear fuel assemblies A device comprising two coaxial drums (22, 24) is proposed in order to separate and then proportion objects of different sizes. The objects are introduced into one end of the inner drum consisted mainly of a coil (32) wound in a spiral. Large objects are ... | 06/29/1999 |
| 5836456 | Discrete material washing apparatus A discrete material washing apparatus comprises a structure mounting an elongate trough having an inlet and an outlet. A dished tray is mounted on the structure and shaped to feed into the inlet. The tray is to receive disposal of a cementitious mixture t... | 11/17/1998 |
| 5819950 | Portable trommel A portable trommel has a chassis, including support wheels at one end thereof for movement of the trommel. A trommel is rotatably mounted on the chassis and has an input and an output end. A hopper and an input conveyor, for supplying material to be scree... | 10/13/1998 |
| 5806684 | Fractionator for fractioning particulates in suspension A fractionator for fractioning a suspension in at least two fractions, including a drum rotatable about a substantially horizontal access and having axially spaced end walls, a centrally arranged inlet for suspension, a flow channel for suspension in the ... | 09/15/1998 |
| 5752435 | Beansprouts roots and husks cleaning machine A beansprouts roots, husks, cleaning machine is disclosed. The machine has an internal spiral (7) and external spiral (6) in opposite directions mounted on the perforated cylinder (3) with integrated grouts bearings (8) driven by a motor rotating inside a... | 05/19/1998 |
| 5732827 | Screening apparatus The invention is a screening apparatus for classifying material of different sizes. A screen is rotatably mounted on a frame for rotation around a first axis which is angled upwardly away from the horizontal, at an angle of from 0 to 30 degrees. The scree... | 03/31/1998 |
| 5733450 | Rotary screening apparatus having a screening cylinder casing A rotary screening device is disclosed which includes a rotating cylinder having an inlet end, an outlet end and a cylindrical wall formed at least partly from the screening surface. The cylinder is rotatably supported on wheels which are in turn mounted ... | 03/31/1998 |
| 5620101 | Trommel separator clutch mechanism and system A trommel separator includes a clutch mechanism that operates with a shaft mounted right angle gear reducer for direct drive of the drum and a flexible mount. The clutch mechanism has a clutch slip disk which is located between first and second disks. The... | 04/15/1997 |
| 5607587 | Screening apparatus for wood pulp A rotary screening device is disclosed which may be advantageously used to increase the solid content of influent. The apparatus includes a rotating cylinder having an inlet end, an outlet end and, depending on the material to be screened, a cylindrical w... | 03/04/1997 |
| 5556445 | Steam treatment of municipal solid waste A method for treating solid municipal waste material including placing solid municipal waste in a rotating chamber having an interior at ambient pressure, heating the waste at ambient pressure, and controlling the moisture content of the waste.... | 09/17/1996 |
| 5524769 | Counterflow aggregate recovery apparatus A counterflow aggregate recovery apparatus for separating and retrieving material. The recovery apparatus includes a rotatable drum in which a cylindrical screen is suspended. The material to be processed is introduced into the cylindrical screen. The scr... | 06/11/1996 |
| 5509379 | Automated cat litter box An animal litter box is disclosed for automatically separating waste materials from animal litter. A rotating cylinder is provided with an internal surface for receiving the animal litter and waste materials. A perforated surface has one end fixed to the ... | 04/23/1996 |
| 5490928 | Tandem waterwheel trommel A tandem waterwheel type trommel apparatus having a laterally-disposed drain-off drum and a laterally-disposed classifying drum combined through a short pipe to form a main body, which is rotatably disposed on a base and is connected to a drive unit. A fr... | 02/13/1996 |
| 5437374 | Adjustable orifice trommel An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material, and an exit for retrieving screened material. The trommel includes a plurality of flat inner plates, each inner plate having a ... | 08/01/1995 |
| 5435917 | Rotary filter comprising a screen drum and internal screw member A rotary filter for filtering water out of water containing raw material such as fish guts and muds including a screw drum having a number of filtering holes formed therein and a screw having a shaft and a spiral vane secured to the outer surface of the s... | 07/25/1995 |
| 5401407 | Rotary screen device Apparatus for continuously separating relatively coarse particles from a suspension of a mixture of particles in a liquid, wherein the suspension is caused to pass through a screening medium which is rotating in its own plane and wherein the screening med... | 03/28/1995 |
| 5346071 | Trommel screening apparatus The present invention is a vehicle-mounted trommel screening apparatus. A rotating trommel screen cage having an open front and a closed back is mounted on the vehicle so that the open front of the trommel screen cage is at a side of the vehicle and is ad... | 09/13/1994 |
| 5301813 | Apparatus for separating material An apparatus for separating materials into different sized particles, especially difficult materials that may contain wet or sticky particles or lightweight foreign material. The material is separated by feeding it into a dish-shaped unit open at the top ... | 04/12/1994 |
| 5285905 | Screening assembly for soil The screening assembly includes a tilted upwardly movable belt conveyor over which is mounted a rotatable cylindrical drum axially oriented in the direction of the belt conveyor. A mixed soil receiving bucket mounted over the conveyor upstream of the cyli... | 02/15/1994 |
| 5248042 | Resilient wire-wrapped, and adjustably tensioned screen drum with drum overload-preventing feedback control A mobile screening apparatus includes a horizontal rotary drum preferably fed by underflow from a prescreening device that is reversible endless belt of screening grizzly bars. The belt reverses for expelling oversize material caught between bars. Force n... | 09/28/1993 |
