Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7909170 | Self-cleaning shaker A vibratory separator including a housing having a drilling material inlet and at least one basket, at least one screen assembly configured to be disposed in the at least one basket, an actuator connected to the at least one basket, wherein the actuator provides vib... | 03/22/2011 |
| 7156332 | Product containment apparatus Self contained filter backpurge systems useful for totally enclosed processing mills and for clean in place (CIP) processing material processing mills. ... | 01/02/2007 |
| 6726023 | Method and arrangement for cleaning the screening device of a screen The invention relates to a method and an arrangement for cleaning the screening device (2) of a screen (1). The screen (1) comprises at least said screening device (2) which has openings for the separation of particles of different sizes ... | 04/27/2004 |
| 6719145 | Arrangement and rotor for screening of pulp An arrangement and a rotor for screening of pulp is disclosed that is suitable for the screening of chemical and mechanical pulps, i.e. fiber suspensions of the wood processing industry. A feature of the arrangement and rotor is that inside the rotor (16) the... | 04/13/2004 |
| 6631808 | Air classifier system for the separation of particles An air classifier with enhanced air flow which maybe used for the simultaneous recovery of two or more distinct grades of foundry quality sand from a single sand stream. The air classifier exhibits improved performance by drawing into the classification c... | 10/14/2003 |
| 6250476 | Municipal waste separator A separator includes a continuous inclined screening belt that passes over an upper roller and a lower roller to screen debris from municipal wastewater. The debris is then conveyed to a debris discharge outlet. A puddle of debris-laden wastewater forms a... | 06/26/2001 |
| 6220446 | Particle size classifier A particle size classifier in which feed material composed of product and overs moves downwardly through a separator unit by the action of negative pressures created by a first air blower associated with the collection of product and a second air blower a... | 04/24/2001 |
| 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 |
| 6089380 | Screening system A vibratory separator having a resiliently mounted housing with a vibratory drive. A screen extends across the housing and a cover is positionable over the screen. The screen includes a discharge port therethrough aligned with a discharge passage for remo... | 07/18/2000 |
| 6073773 | Separation of semiconductor material A method and a device for the separation of semiconductor material has the separation procedure carried out on screens coated with ice made of ultrapure water, optionally mixed with particles of semiconductor material. During the separation, the screens a... | 06/13/2000 |
| 5992641 | Methods and apparatus for screening particulate materials Improved methods of screening particulate matter are disclosed. For example, aqueous mineral slurries containing at least 10 weight percent of finely divided mineral solids are mechanically size separated using vibratory screening and a self propelled rec... | 11/30/1999 |
| 5931310 | Vibrating screen flooded deck support structure A deck support framework system, being sectioned or modular, having one or more flooded support tubes 30A/30B. Flooded support tube 30A/30B is oriented essentially horizontal and attached at sides of a deck framework, aligned with fluid passage hole small... | 08/03/1999 |
| 5921399 | Gumbo separator A gumbo separator has a continuous, inclined, moving screen belt which rides on and is supported by a perforated backing plate. The desirable portion of drilling fluids fed to the gumbo separator passes through the screen belt and backing plate and may be... | 07/13/1999 |
| 5894936 | Drum separator for brine shrimp eggs A drum separator for separating brine shrimp eggs from a slurry containing an agglomeration of adult brine shrimp, brine shrimp eggs and debris includes a fluid source to maintain a slurry. The fluid source may be an internal spray jet disposed to spray a... | 04/20/1999 |
| 5881887 | Apparatus called "TSS"-the turbo screening system, for filtering and fractionation of suspensions containing fibres, fibre fragments, fines and other particles The present invention is directed to an electrolytically produced screening material for the removal of fibers from suspensions during the production of pulp and paper. The screening material is a thin, smooth metal foil having perforations on the order o... | 03/16/1999 |
| 5845782 | Separator for removing fine particulates from an air stream The invention provides a separator for removing small particulates from an air stream, the separator includes pneumatic separator with a relatively small filter element built inside the separator to remove particulates from the air stream down to as small... | 12/08/1998 |
| 5593585 | Spray system for cleaning a filter screen A screening chamber for filtering paper coatings is cleaned with the use of a plurality of water sprays. The water sprays are provided by nozzles located on spray bars positioned transversely across the width of the screening chamber. The nozzles are orie... | 01/14/1997 |
| 5484061 | Electrostatic sieving apparatus An apparatus for classifying particles by size comprising: a source of direct potential having first and second terminals, a sieve electrode connected to the first terminal, a solid electrode connected to the second terminal. Particles are fed to a transf... | 01/16/1996 |
| 5462673 | Cleaning system for vibratory screening devices A vibratory screen apparatus (10) for the separation of solids has a cleaning system to clean the screen bed (15) of adhering solids, such as matted fibrous materials. A water discharge assembly (52) includes a water dispensing tubular member (60) in whic... | 10/31/1995 |
| 5443213 | Screen apparatus for paper making A screen apparatus for paper making capable of substantially fully recovering fibers from a paper feedstock which has been subject to a pulper and discharging a residue while dehydrating it. A paper feedstock is subject to two-stage maceration and two-sta... | 08/22/1995 |
| 5443162 | High capacity high pressure feeding The production capacity of a conventional high pressure feeder having a pocketed rotor with a slotted screen at the low pressure outlet port is significantly increased by constructing the screen so that its arcuate bars have a width much less than normal,... | 08/22/1995 |
| 5259955 | Vacuum strainer A strainer device is disclosed for continuously separating liquids from a solid/liquid mixture, the strainer including a screen receiving said solid/liquid mixture and a container under reduced pressure disposed under the screen to collect the strained li... | 11/09/1993 |
| 5238117 | Mineral processing screen separator This invention relates to a screen separator for separating metal adsorbent particles from a pulp and includes a screen separator for separating metal adsorbent particles from a pulp including an open topped and closed bottom cylindrical screen for axiall... | 08/24/1993 |
| 5224603 | Apparatus for treating fiber suspension An apparatus and method for treating fiber suspension is especially applicable for pulp screening in the wood processing industry, particularly for the separation of light particles from fiber suspensions. The apparatus comprises an outer casing with cond... | 07/06/1993 |
| 5176261 | Rotor for pressure sorters for sorting fibrous suspensions Rotor for pressure sorters for sorting fibrous suspensions, comprising a plurality of cleaning vanes provided for the circulation on the inlet side of a screen cylinder of the pressure sorter, these vanes being designed in sections as return regions and i... | 01/05/1993 |
| 5172813 | Method and an apparatus for treating fiber suspension A method and apparatus for treating a fiber suspension to thicken or screen it. The suspension is fed to the gap between a filter surface and a counter member, and accepts flow through openings in the filter surface. Rejects continue along the filter surf... | 12/22/1992 |
| 5152891 | Self-cleaning strainer A backwash strainer including a body, a strainer element having an inlet side contained in the body, and a space defined between the body and the strainer element. The body includes an inlet to the strainer element and an outlet from the annular space. A ... | 10/06/1992 |
| 5124029 | Method of and device for fractionating suspensions A device for fractionating pulp suspensions has a series of vertical filter sheets attached to a horizontal shaft. Suspension is sprayed against the sheets to effect a separation of coarse and fine solids. Cleansing liquid is also sprayed against the shee... | 06/23/1992 |
| 5122262 | Separator screen with intermittent vacuum A separator for continuously separating comparatively small particles of light bulk density such as, for example, expanded polystyrene x-beads from unexpanded polystyrene beads produced by an expansion process, preferably including a vibrating screen of a... | 06/16/1992 |
| 5102532 | Method for controlling pressurized screening devices and pressurized screening device The invention relates to a method for controlling pressurized screening devices in which fiber pulp is fed to the pressurized screening device and is divided into the accepted portion of the fiber pulp passing through perforations of a cylindrical screenp... | 04/07/1992 |
| 5051166 | Soil rinsing apparatus A soil rinsing apparatus includes a rinsing and sieving element with two successive sieve regions for rinsing and sieving the soil. Water is supplied in order to reduce the soil to slime and to separate harmful substances from the soil. In order to reduce... | 09/24/1991 |
| 5041213 | Pressurized screening device The pressurized screening device designed for screening fiber pulps, especially paper pulp is provided with a screenplate with perforations, cleaning members being in connection with and moving relative to the screenplate, devices for generating the relat... | 08/20/1991 |
| 5034120 | Method for keeping a screen or filter surface clear A method for keeping a screen surface or a filter surface clean, wherein a pressure fluid is introduced from a conduit to a secondary side of a screen/filter drum, which fluid flows, during an underpressurized stage caused by blades of a rotor rotating on... | 07/23/1991 |
| 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 |
| 4955482 | Screen cleaning in cil & cip systems In carbon-in-pulp (CIP) and carbon-in-leach (CIL) processes, especially those utilizing pure oxygen instead of normal air to increase the overall efficiency of the cyanide leaching-adsorption process in the recovery of gold and/or silver from ores, the sc... | 09/11/1990 |
| 4919797 | Screening apparatus for paper making stock In screening apparatus for paper making stock comprising a cylindrical screening member dividing the interior of a pressure housing into a supply chamber and an accepts chamber, and also comprising a rotor mounted for rotation in the supply chamber and in... | 04/24/1990 |
| 4913803 | Particle separation system A mixture of two sets of similarly sized particles having different terminal velocities in a separation liquid is separated. This is done by removing either the smaller particle portion of the set having the greater terminal velocity, or the larger partic... | 04/03/1990 |
| 4911828 | Rejects sorting apparatus A sorting apparatus for sorting fiber suspensions heavily laden with rubbish and other contaminants, which sorter has two successive sorting units each having a ring-shaped strainer space, which are likewise successive, and an accepts space with a rotatio... | 03/27/1990 |
| 4904377 | Sifting apparatus An improvement for centrifugal sifter units having an elongated sifting chamber having a central axis, a coaxial screen surface therein and a series of paddles mounted on a shaft driven for rotation about the central axis for urging siftable material thro... | 02/27/1990 |
| 4886608 | Apparatus and method for separating liquids and solids An apparatus for separating liquids and solids from a mixture thereof comprises a trough structure (12) in which is suspended a filter means (14) on which the mixture can be placed. A vacuum mechanism (16) draws a vacuum beneath the filter means to draw t... | 12/12/1989 |
