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| Number | Title | Issue Date |
| 8113355 | Classifying kits Classifying kits useful in separating gold, other precious metals, gems, collectable rocks, fossils, and archaeological artifacts from earth material. Classifying sieves and other parts of the classifying kits herein are configured to be used within a bucket and can... | 02/14/2012 |
| 7967148 | Method for grading water-absorbent polymer particles A process for classifying water-absorbing polymer beads, wherein screens having different mesh sizes are used before and after the postcrosslinking to remove the oversize. ... | 06/28/2011 |
| 7581646 | Process for sorting grape berries A oscillating sorting conveyor is adapted for separating whole berries of wine grapes from undesirable components such as “shot berries” (immature grapes), stems, raisins, leaf material, bugs, pebbles and the like. The sorter deploys a downward tilting trough th... | 09/01/2009 |
| 7500567 | Charcoal dispensing and storage cart A storage and dispensing cart for receiving, storing, and dispensing charcoal briquettes includes a storage bin member, a storage compartment member and a screening assembly. The screening assembly is disposed within the storage bin member at a lower end to provide ... | 03/10/2009 |
| 7331468 | Device for separating fine solid components, method of manufacturing the device, and method of separating fine solid components using the device A device for separating a fine solid component includes a substrate and a diaphragm provided on the substrate. The substrate has a first surface and a second surface opposite the first surface. The substrate has a recess provided in the second surface, a cavity open... | 02/19/2008 |
| 7293528 | Pet litter cleaning system and method A pet litter containment and cleaning system and methods of using a pet litter containment and cleaning system are described. The pet litter system comprises a pan module and removably attached processor module. Soiled pet litter is conveniently processed by rotatin... | 11/13/2007 |
| 7240800 | Vibratory sand reclaiming apparatus having normal and reject modes An attrition mill for reclaiming foundry sand from deposited material having lumps of used foundry sand and included material includes a housing defining a chamber for receiving the lumps of used foundry sand and included material. A base is disposed within the hous... | 07/10/2007 |
| 7219805 | Sieve screen level sensor Sieve screen level sensing in a filtering apparatus (10) for filtering fine powder material (M) which includes a sieve (12) having a material inlet (24) and a material outlet (26), and a sieve screen (14) is disposed within the sie... | 05/22/2007 |
| 7207292 | Apparatus and method for increasing capacity of automated litter box An improved automated litter box system which provides increased storage capacity of a waste receptacle which receives animal waste and clumped litter. The increased capacity of the waste receptacle is achieved by elevating the automated litter box system with an el... | 04/24/2007 |
| 7188730 | Separation system for single stream compressed recyclables A screening system designed to provide separation of multiple fractions of New Screens Fines. News Screens Fines (“NSF”) contain a mix of compressed, unmarketable recyclables that are generally less than four inches in size created as a by-product of current Mat... | 03/13/2007 |
| 7182207 | System and process for break detection in porous elements for screening or filtering A detector for breaks in screens and filters employed in material separators includes a transmitter of RF signals and a receiver of RF signals located to either side of a screen. The separator includes a chamber having a barrier to RF signals with a path through the... | 02/27/2007 |
| 7172229 | Adjustable sifting shovel The present invention teaches a shovel having a scoop with a bottom perforated by apertures and a movable sifting plate held in one of a plurality of possible positions by means of a retainer plate. The sifting plate may have apertures which do not overlap the apert... | 02/06/2007 |
| 7168132 | Portable handheld work apparatus having thumb supports The invention relates to a portable handheld work apparatus including a chain saw, a vacuum/blower apparatus or the like. The work apparatus has a handle (2) for carrying and guiding the work apparatus (1). Thumb supports (4, 5) are provided on ... | 01/30/2007 |
| 7140507 | Insulated ice chest with accessory holders An improved insulated cooler has accessory holders detachably secured to its outer wall. An exemplary holder is provided for containerized drinks. The holder is made of a rigid plastic upper ring at the top and may have flexible fabric or mesh lower portion at the b... | 11/28/2006 |
| 7128022 | Scoop for cat litter A circular litter box having a scoop removal remounted in a scoop holder which is pushed around the sidewall of the box to scoop the box. The mounting mechanism for the scoop causes the scoop to assume a relatively vertical position during scooping, to minimize form... | 10/31/2006 |
| 7077271 | Secondary screen for concrete pump An apparatus for the removal of objects and other debris from cement that is pumped via a concrete pump includes a secondary screen that is pivotally attached at one end thereof to a concrete pump a predetermined distance above a grate that is disposed over a hopper... | 07/18/2006 |
| 7073515 | Lockable ashtray The invention is directed to a lockable ashtray comprising a cover defining at least one aperture therein, a hinge connecting the cover to a lower section. The cover is reversibly locked to the lower section or the cylinder shaped vessel. A Tray for holding cigarett... | 07/11/2006 |
| 7055536 | System and method for cleaning a feed dispenser A cleaning system for a livestock feeding device which unclogs blockage without the need for a workman to enter the feed dispensing area. The system includes at least two swiping arms which are positioned at a lower area of the feed system. The system is environment... | 06/06/2006 |
| 7045058 | Trash collection skimmer boat A trash skimmer work boat collects and discharges debris from the front or bow. A storage conveyor positioned approximately amidships and along the center line, and is mounted to the hull on a slide or track arrangement that permits fore and aft motion. A collection... | 05/16/2006 |
| 6938846 | Screening apparatus with slot ring moveable in axial direction Apparatus for screening pulp suspensions is provided, including a housing, a rotary screen within the housing, a screen chamber between the rotary screen and the housing, a reject outlet, an accept outlet, an outer screen surface defining the outer surface of the sc... | 09/06/2005 |
| 6935512 | Shortening saver A hopper used in conjunction with a deep fryer basket to remove small pieces of the food item, breading or ice crystals from the basket before it is placed in a deep fryer for cooking. Removing the small particles of food prevents them from falling into the shorteni... | 08/30/2005 |
| 6928956 | Scoop for cat litter A circular litter box having a scoop removal remounted in a scoop holder which is pushed around the sidewall of the box to scoop the box. The mounting mechanism for the scoop causes the scoop to assume a relatively vertical position during scooping, to minimize form... | 08/16/2005 |
| 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 |
| 6780002 | Spreader for wood chips, wood particle and sawdust At the end of an array of rollers of a spreading head for wood particles for the production of mats to form particleboard, rollers of the array are driven at a higher speed than the rollers of the fine-particle spreading portion and baffles are provided below the hi... | 08/24/2004 |
| 6778875 | Noise filter for backside helium signal A system using backside helium in the processing of wafers in the manufacturing of semiconductor products can cause alarms that can interrupt the manufacturing of the wafers and create damaged wafers. A PID controller responds to the flow of helium gas to generate c... | 08/17/2004 |
| 6722505 | Rotary adjustable dirt/sand/rock separator Aggregate mixtures such as dirt, sand, rock, concrete, etc. are separated into piles according to size by continuous agitation of the mixture and by gravitational and centrifugal forces exerted thereon. A container for the material, such as the bucket of a backhoe, ... | 04/20/2004 |
| 6685836 | Method for separating a mixture of colloidal aluminosilicate particles The invention relates to a method for separating a mixture of aluminosilicates, wherein said method consists in carrying out an ultrafiltration of a solution of colloidal aluminosilicate particles so as to obtain a permeate and a retentate, and an imogoli... | 02/03/2004 |
| 6659285 | Tool for separating coals from ash and method of use A tool for separating coals from ash, includes and elongated body having a handle at one end and a plurality of substantially parallel spaced-apart first fingers longitudinally disposed along the body at an opposite second end. The first fingers form a cu... | 12/09/2003 |
| 6651819 | Debris removal from fluidized sand bed Apparatus for removing debris from a fluidized sand bed. One or more troughs extend radially from a vertical shaft. Associated with each trough is a perforated chute. The apparatus is placed into the fluidized bed of sand, and rotated. As the apparatus ro... | 11/25/2003 |
| 6595370 | Apparatus and method for reducing contamination in a wafer transfer chamber A wafer transfer chamber, such as a load-lock chamber used in a cluster processing tool for semiconductor devices that has reduced particle contamination problem is provided. In the wafer transfer chamber, a particle filter is provided to shield or isolat... | 07/22/2003 |
| 6532495 | Internet download enhancement system An Internet download enhancement system for downloading a file comprising an application arranged to initiate a download process and receive a downloaded file over one of a narrow band download path and a broadband broadcast download path, wherein modules... | 03/11/2003 |
| 6386373 | Process for making silica powder and use of such powder in the manufacture of an optical fiber preform A process is described for making silica powder by a sol-gel process whereby an aqueous suspension is made of a silica-based raw material which includes particles containing chlorine, the pH of the suspension is adjusted to a value from 3 to 4.5 if necess... | 05/14/2002 |
| 6357596 | Sperm strainer system The invention in the simplest form is a passive method and apparatus for filtering motile sperm from a sperm sample. The invention passively filters the motile sperm using a membrane assembly disposed in a container. In operation, a sperm sample is placed... | 03/19/2002 |
| 6328165 | Marine harvesting methods and apparatus Methods and apparatus are provided for harvesting aquaculture from a body of water. The apparatus includes a continuous belt which is partially submerged in the water. A flow of water is created which forces aquaculture against the moving belt and the bel... | 12/11/2001 |
| 6315129 | Power sifter Method and apparatus of continuously sifting pre-tilled topsoil to a controlled depth in place to remove stone, weed, grass and other materials and separate the stone and heavy materials from vegetation which is compressed into bundles.... | 11/13/2001 |
| 6253925 | Mechanical gap filter The invention relates to an arrangement (5) for a filter (6) for plastic material in the form of granulates supplied to an injection nozzle (7), whereby accommodated internally in a casing (8) is a filter body (20) extending in the longitudinal sense of t... | 07/03/2001 |
| 6164455 | Process for classifying particulate hydrophilic polymer and sieving device The present invention provides a process for classifying a particulate hydrophilic polymer and a sieving device, which can carry out a classification in a small separation particle diameter with high efficiency and exhibit classification ability inherent ... | 12/26/2000 |
| 6135290 | Sifter attachment for excavating machines and the like An assembly connectable to a boom of a machine operable to perform material working functions generally consisting of a handle connectable to the boom; a fluid actuated cylinder assembly operatively interconnecting the boom and handle for pivotally displa... | 10/24/2000 |
| 6129214 | Sperm strainer system The invention in the simplest form is a passive method and apparatus for filtering motile sperm from a sperm sample. The invention passively filters the motile sperm using a nucleopore membrane that is contained within a membrane assembly, wherein the mem... | 10/10/2000 |
| 6126015 | Solids separating device for different sized materials The device selectively separates and removes larger sized objects from a mixture of larger and smaller sized objects, such as soiled litter and animal waste from surrounding clean litter. The device has a rotating chamber which contains the mixture of lar... | 10/03/2000 |
