U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Everyone acquainted with the subject will recognize it as a conspicuous failure."

Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb

Newsletter  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.

 

Class 241/20 - Liquids added to classify or separate material


Subclass of Class 241 - Solid material comminution or disintegration
Definition: Processes in which there is applied to the material a liquid
No. of patents: 354
Last issue date: 01/10/2012


1                  
NumberTitleIssue Date
8091807Method, system and apparatus for the deagglomeration and/or disaggregation of clustered materials
A method of separating at least one cluster of a plurality of clustered particles of a specified material. The method includes: initiating the wetting of at least a portion of the plurality of cluster particles; disaggregating at least a portion of the wetted plural...
01/10/2012
7789332Method for controlling oxygen when separating minerals from a slurry
The invention relates to a method for controlling the partial pressure of oxygen when mutually separating minerals in the different process steps of the separation process. In order to control the partial pressure of oxygen, the gases fed in the different process st...
09/07/2010
7784719Methods of recycling post-consumer carpet
Disclosed are efficient and cost-effective methods of recovering primary construction materials from whole carpet. The present methods are particularly appropriate for recovering nylon or polyester face fibers from post-industrial, post-consumer carpet waste. ...
08/31/2010
7441717Micromedia milling process
A process for forming a dispersion of milled solid particles of a compound comprising forming a milling mixture of a liquid medium, milling media having an average particle size of less than or equal to about 300 microns, and a solid compound in a mixing vessel, and...
10/28/2008
7413135High pressure homogenizing apparatus and method thereof
The present invention relates to a high pressure homogenizing apparatus and a method thereof for finely dividing a fine solid material or fibrous cellulose of chemical, medical, and resin products in a suspension as a dispersion or emulsification, or finely dividing...
08/19/2008
7367456Air jig for separation of minerals from coal
An improved air jig apparatus and method is disclosed in which a dry magnetic separator is used to separate paramagnetic and ferromagnetic minerals from the dust component of coal cleaned with the air jig. The cleaned product of the dry magnetic separator is combine...
05/06/2008
7363175Query based electronic battery tester
An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base...
04/22/2008
7355140Method of and apparatus for multi-stage sorting of glass cullets
A method and system for sorting different colored objects, preferably glass cullets, into separate groups of same colored objects comprising a plurality of sorting devices for receiving an input feed of different colored objects and sorting the different colored obj...
04/08/2008
7351929Method of and apparatus for high speed, high quality, contaminant removal and color sorting of glass cullet
A system for sorting a mixed stream of different colored cullet into separate groups of same colored cullet comprises a light emitting source for transmitting light, such as white light, through a cullet, and a camera having a plurality of pixels for receiving light...
04/01/2008
7328805Method and system for beneficiating gasification slag
The present invention provides a method of beneficiating slag, including mixing the slag with water to form a slurry. The slurry is screened through a first screen to remove a first portion of material and then screened through a second screen to remove a second por...
02/12/2008
7314139Process for sulphide concentration
The present invention relates to a gravity/flotation circuit where a mineral stream, such as a flotation rougher or cleaner concentrate, undergoes a two stage size separation wherein: i) the screen of the first stage provides a coa...
01/01/2008
7306697Used paper diaper processing method and used paper diaper processing device
The present invention provides a used paper diaper processing method comprising: a swell suppressing step for immersing a used paper diaper in a swell suppressant solution to suppress the swelling of the polymer with high water absorbability; a breakup step for brea...
12/11/2007
7294226Method of removing high density stickies from secondary papermaking fibers
A hybrid method for processing papermaking fibers to remove high density stickies typically includes utilizing a multistage array of forward cleaners coupled with a flotation cell which increases overall efficiency of the system. In a preferred embodiment, a first r...
11/13/2007
7279073Apparatus for liquid-based fiber separation
An apparatus for treating fibrous material is disclosed. The apparatus may include a fiber separator, a de-liquefier, a dry-to-wet blender and a flash dryer. The fiber separator may be a liquid-based fiber separator. The de-liquefier is for removing liquid from the ...
10/09/2007
7247633Pyrimidine compounds and their use
A compound of the general formula (I): wherein R1, R2, X, Y and Z are as described in the specification. ...
07/24/2007
7231927Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor
An object of the invention is to provide a method and an apparatus for recycling plastics which is improved with respect to operation efficiency, operation environment, lowering degradation of plastics, recycling cost and environment load including saving energy. Th...
06/19/2007
7214323Method for treating body waste material, and apparatus therefor
A method of treating fluid body waste material includes, separating the material into factions, in which the solids content of one faction is increased substantially relative to the originating waste material, while a second faction has an increased liquid content. ...
05/08/2007
7178748Method of recycling plastic material of process cartridge
It is an object of this invention to efficiently recycle a plastic resin material used in a process cartridge. To achieve this object, in a method of recycling a plastic material of a process cartridge, the process cartridge is crushed in a crushing step while parti...
02/20/2007
7172143Method and plant for separating polymeric materials
A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit...
02/06/2007
7165680Selective flotation agent and flotation method
A new reagent for the application in the preparation of mineral raw materials, mainly sulphide and oxyde mono- and polymetallic ores of non-ferrous metals, which are used as a corrosion inhibitor of the equipment and grinding bodies and as a selective collector of t...
01/23/2007
7161587Method, apparatus and computer program product for providing keyboard assistance to a software application user
A software application has certain keyboard hot key combinations. If the application is active the pressing of a key is detected for the application. A number of keyboard keys are selected responsive to the key pressed. The selected keys correspond to hot key combin...
01/09/2007
7152742Separation process for carpets
Comminuted carpet pieces are fed to a first stirred tank together with an aqueous solution containing separating salt, to form a first suspension, which is fed to a first mechanical separating stage. A first high-solids phase, a second high-solids phase containing p...
12/26/2006
7150420Systems and methods for recycling asphalt
Systems and methods for receiving used asphalt materials, heating the materials, dynamically tumbling the materials into a recycled granulized form, and selectively providing the recycled asphalt for use. An asphalt recycling system is used that is configured to rec...
12/19/2006
7126341Automotive vehicle electrical system diagnostic device
An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o...
10/24/2006
7124968Method and apparatus for separating material
An apparatus for sorting particles composed of a mixture of particles with differing physical and chemical characteristics. The apparatus includes a comminutor, a mechanism for removing particles from the inside of the comminutor which are intermediate in size betwe...
10/24/2006
7118694Compositions containing silicates and ion-conducting films containing the same
A mixture Ia which comprises a composition IIa consisting of a) 1 to 95% by weight of a solid III, preferably a basic solid III, having a primary particle size of 5 nm to 20 microns, and b) 5 to 99% by weight of a polymeric mass IV obtainab...
10/10/2006
7115221Method for producing graphite powder with an increased bulk density
A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for...
10/03/2006
7111738Technique for enhancing the effectiveness of slurried dense media separations
Methods, systems, and media for use in separating mixtures. A slurry including a separation liquid and one or more particulate media materials is provided. A classification separation is performed on the slurry to produce a classified media having a controlled parti...
09/26/2006
7093066Method for bus capacitance reduction
Data bus capacitance is reduced by decoupling unaccessed memory circuits from a data bus during data transfers to or from other memory circuits. ...
08/15/2006
7086405Screenings washer
A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a porti...
08/08/2006
7081171Screenings washer
A screenings washer having a hopper, a grinder downstream of the hopper, and a washer downstream of the grinder. The washer includes an auger rotor that receives the screenings ground by the grinder, a spray wash system that sprays a wash fluid directly onto a porti...
07/25/2006
7074356Use of pre-sorted plastic material wastes and process for producing a granular material as a filter for the purification of sewage
A granular material for use as a filter in the purification of sewage. The granular material is comprised of pre-sorted and cleaned plastic material wastes. A process for producing the same is provided. ...
07/11/2006
7048774Recovery of metal values from cermet
Cermet material obtained from unused inert anodes, used inert anodes and cermet used in the production of inert anodes is beneficiated into a nonferrous metal concentrate composition from which metal values contained in the composition may be readily recovered by us...
05/23/2006
7032322Method for processing infectious waste and system for the same
A processor and method for treating infectious waste utilizes a processing chamber having an inlet for delivering processing water at an elevated temperature and under pressure into the processing chamber, an opening in the processing chamber for receiving of infect...
04/25/2006
7014132Method and plant for separating polymeric materials
A method for recycling polymeric materials, including a mechanical separation step (B), a first density separation step (C), an intensive cleaning step (E), and a second density separation step (G, V) is described. Additional separation steps, such as a third densit...
03/21/2006
7011713Cascade extracting and solvent refreshing method for recycling jelly cables
The method of continuously collecting jelly compounds from jelly filled cable is performed by recycling operation of a solvent by repeatedly heating, cleaning and condensing the recycling solvent used to deprive the jelly compounds of the jelly filled cable. The sol...
03/14/2006
7004327Method for sink and float separation of fine grained mineral raw materials
A separating apparatus for the sink and float separation of a mineral raw material according to density using a liquid. The separating apparatus includes a rotatable drum including a plurality of sink-product pockets for discharging a sink product of the mineral raw...
02/28/2006
6997407Decontamination of RPET through particle size reduction
Contaminants are removed from RPET flakes by a process which includes the steps of comminuting the RPET flakes to produce RPET particles and driving the contaminants out from the RPET particles. ...
02/14/2006
6986192Method for reclamation of precious metals from circuit board scrap
The present invention springs from the discovery that mild acids could be utilized to shear undesired metals away from desired precious metals that have been plated onto circuit board runners or contacts. This shearing action occurs at a high rate when metal scrap s...
01/17/2006
6941234Query based electronic battery tester
An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base...
09/06/2005
1                  
 
Sign InRegister
Username  
Password   
forgot password?