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| Number | Title | Issue Date |
| 7882958 | Drum sieve machine A trommel screen machine including at least one revolving screening drum, at least one drive for the screening drum, a feeding hopper as well as at least one collecting device, such as a transport device, for collecting and transporting the screened good. In front o... | 02/08/2011 |
| 7337910 | Methods and devices for responding to request for unregistered domain name to indicate a predefined type of service A method, system, and computer-readable medium is described that provides one or more types of services and/or information in response to an information request or other message that specifies a unique identifier of a defined type. The information requests can inclu... | 03/04/2008 |
| 7231038 | Eyeglasses with wireless communication features A microphone, transmitter, speaker, receiver, and power source, all mounted to an eyeglasses frame, for sending and receiving signals wirelessly to and from a remote cell phone or other electronic device. The microphone and the transmitter can be mounted to extensio... | 06/12/2007 |
| 7216767 | Screen basket and shale shakers A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket including two opposed spaced-apart side walls having first e... | 05/15/2007 |
| 7111739 | Wet fine particle sizing and separating apparatus A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f... | 09/26/2006 |
| 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 |
| 7017754 | Method and apparatus for classifying fine balls and method for producing cylindrical sieve An apparatus for classifying fine balls having diameters of 1 mm or less into those having predetermined diameter ranges, comprising a feeder for supplying fine balls, at least one rotatable cylindrical sieve constituted by a plate with a thickness of 200 μm or les... | 03/28/2006 |
| 6941987 | Apparatus for clearing log jams in disc type chipper Apparatus for processing logs to manufacture wood chips. The apparatus includes a circular disc for passing a series of blades through a chipping station and a chute and spout assembly for feeding logs from a conveyor into the chipping station. A lifting mechanism i... | 09/13/2005 |
| 6760585 | Private user mobility (PUM) update and private integrated services network PUM alternative identifier translator (PP-AIT) system and methods In a network comprising call handling services for mobile users, services being requested by the mobile user for an active call and wherein each user registers for services with a personal identification number (PIN), a method for updating said personal identificati... | 07/06/2004 |
| 6164350 | Method and device for preventing or releasing a blocking caused by logs fed to a chipper through a feeding chute Method and apparatus for preventing or releasing a blockage occurring in a flow of tree trunks supplied to a wood chipper via a feed hopper and for securing an uninterrupted flow of timber to the chipper. At least one lifting arm is insertable to project ... | 12/26/2000 |
| 6129216 | Particle separation device and processes thereof An article including; a support member with a plurality of apertures therethrough; and a plurality of gate members attached by at least one end to at least one side of the support member, wherein each gate member is situated in close proximity to at least... | 10/10/2000 |
| 6119624 | Apparatus for sprinkling food products with powder material A sprinkling apparatus for sprinkling powder material onto food products. The apparatus includes a hopper for holding the powder material that is mounted above a conveyor. A drum is rotatably mounted within the hopper and stirs the powder material. The dr... | 09/19/2000 |
| 5791493 | Polysilicon particle classifying apparatus Apparatus for classifying high purity polysilicon particles includes a receptacle for holding the particles and a rotary member for feeding the particles from the receptacle. The rotary member defines at least a portion of a front wall of the receptacle a... | 08/11/1998 |
| 5564823 | Method and apparatus for separation and volume measurement of components for lightweight concrete A method and apparatus to simplify the measurement of lightweight concrete components and to recycle waste materials that result from lightweight concrete block manufacture. The method involves separating coarse and fine components of the waste. The appar... | 10/15/1996 |
| 5560494 | Loop-like material sorting device A loop-like material sorting device includes a comb-like member arranged with an inclination in a supply path supplied with materials to be sorted and formed in a row at a pitch corresponding to the shape or size of loop-like materials, and a vibrating de... | 10/01/1996 |
| 5477900 | Non-jamming pulpwood chipper chute and spout assembly An improved chute and spout assembly for use with a wood chipper that clears logjams by the use of hydraulic rams attached to the chute near the chipper. The rams move between an extended position, for moving the logs, and a retracted position, when the l... | 12/26/1995 |
| 5469972 | Screening apparatus and method for screening mixed materials A screening apparatus and a method are provided for separating mixed material into coarse materials and finer materials. After dumping mixed materials with a loader into a bucket located in an upper section of a screening apparatus, a movable wall moving ... | 11/28/1995 |
| 5294001 | Apparatus for removing oil from oil covered parts Apparatus and method for cleaning the oil off of oil covered parts by the employment of oil absorbing particulate such as ground corncob. The oil covered parts and oil absorbing particulate are mixed together in a tumbler for a period sufficient to bring ... | 03/15/1994 |
| 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 |
| 5112474 | Screening apparatus with tiltable vibratory screen There is disclosed a screening apparatus for screening particulate material and which comprises a base frame, an elevating conveyor adjustably mounted on the base frame and arranged to convey material from a loading station at or near a lower end of the c... | 05/12/1992 |
| 5021150 | Sieve drum for sieving out waste or the like A sieve drum (1) for sieving out waste or the like, in particular domestic refuse, having an intake associated with an open end of the drum is mounted pivotably at an angle or inclination (w) approximately at the middle of its length (n) and is to have pe... | 06/04/1991 |
| 4875999 | Apparatus and method of classifying particles Gyratory and reciprocal motion classifiers for classifying particles in a fluidized particle bed according to size or density, and implementing a classification chamber for the fluidized particle bed and an activation chamber for enhancing the kinetic ene... | 10/24/1989 |
| 4609405 | Apparatus for feeding a diffuser The invention relates to diffusers and in particular to sugar cane diffusers in which the diffuser includes means to feed the material to be extracted into the diffuser and also rake means which are constrained to move in a predetermined horizontal plane ... | 09/02/1986 |
| 4447382 | Apparatus for making foam carpet pad An apparatus for making a foam pad for carpets has features to improve the quality of the pad. The apparatus has a hopper section for receiving foam particles coated with heat activated bonding agent. An extruder section compresses the particles as they a... | 05/08/1984 |
| 4336131 | Gasification furnace with discharge hopper A continuous gasification furnace and method of operation. The charge is fed into the furnace chamber between two rolls at least one of which is driven. The furnace chamber can be sealed from the ambient atmosphere. The bed of the furnace contains three z... | 06/22/1982 |
| 4229286 | Apparatus and method for removing dust from tufts of opened cotton fiber Apparatus and method for removing dust and trash from tufts of opened cotton fiber stock includes entrance and exit ducts for airborne transport of the tufts to and from a housing having passages for the tufts therethrough, a screen disposed therein, a pa... | 10/21/1980 |
| 4190526 | Portable screening plant A portable screening plant which can be readily transported and easily installed at an operating site for screening of gravel or other particulate materials. The plant comprises an endless loop conveyor belt mounted on a frame which also supports a hopper... | 02/26/1980 |
| 4165280 | Method and means for cleaning feed hoppers The invention provides for the automatic and continuous cleaning of feed hoppers. A plurality of brushes extend transversely across the path of the upper flight of the horizontal conveyor in the bottom of a feed hopper. The brushes are spaced from each ot... | 08/21/1979 |
| 4155840 | Four group size vibratory screening apparatus An apparatus for sorting wood chips or other particulate material into groups according to size. The apparatus includes a housing having an opened top, a first screen attached to the housing substantially covering the opened top thereof, a second screen a... | 05/22/1979 |
| 4130223 | Feed level monitor and control apparatus A hopper device for delivering granular or powdery material to a conveyor system of a type having a circuitous tube and a continuous flexible member having disc members rigidly attached thereto has a material level monitor and control apparatus attached t... | 12/19/1978 |
| 4016978 | Cement mixer apparatus A device enabling the separation and removal of cementitious material from a concrete mix contained within a concrete mixer is provided. The concrete mixer, usually of the mobile type mounted on a land vehicle, comprises essentially, a drum or mixing vess... | 04/12/1977 |
