| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210805000 | And recirculating liquid | 23 |
| 20080296237 | FLUID PROCESSING APPARATUS AND METHODS - A fluid processing apparatus and method are provided for filtering a fluid from a source and delivering a filtrate derived therefrom to a first destination, and delivering a decantate derived therefrom to a second destination. The fluid separation and delivery apparatus for the method comprises a filter device having an inlet port for connecting to a fluid source, a first outlet port for directing filtrate to a first destination, and a second outlet port for directing decantate to a second destination. | 12-04-2008 |
| 20090250414 | Method for filtering cooking oil used in frying process - A method for filtering particulate material from cooking oil used in a frying process at a filtration temperature within the range of 250° F. to 400° F. includes providing a filter comprising a non-woven panel of directionally or randomly oriented fibers of synthetic material, and exposing the filter to the cooking oil at the filtration temperature while drawing the cooking oil therethrough. | 10-08-2009 |
| 20100133206 | GARNET EXTRACTION SYSTEM AND METHOD FOR USING THE SAME - An extraction system for removing a particulate material (e.g., abrasive material, such as garnet) from a water jet tank includes a tank with a door movably coupled to the bottom end to seal the bottom end of the tank. The system also includes a pump operably coupled to the tank via one or more valves. An outflow line with an outflow opening coupled to the pump that can be placed in fluid communication with the water jet tank. The system also includes an inflow line with an inflow opening coupled to the tank. At least a portion of the inflow line is adjacent the outflow line so that the inflow opening and outflow opening are proximate each other. The pump is configured to pump water from the tank, once the tank has been filled with water, to the water jet tank via the outflow line to unsettle the particulate material in the water jet tank, said flow of water configured to draw a generally equal amount of water and particulate material into the tank via the inflow line in a closed-loop manner, without the particulate material passing through the pump. | 06-03-2010 |
| 20100140192 | Dual port SPA suction fitting with unidirectional water flow - A uniquely designed dual port spa suction fitting that uses two channels for the intake of water to be filtered that are bridged together to eliminate high speed zones and provide for a more even distribution of suction force across the suction openings. The cover has a concave shape with a curved perimeter and sidewall. The cover, the curved perimeter and the sidewall all contain a plurality of apertures allowing for the intake of water into the filter. The apertures provide for unidirectional flow, thereby reducing the hazard caused by hair entanglement. An alternate embodiment includes a sump that is attached between the cover and the two spa fittings. | 06-10-2010 |
| 20100252509 | Filter Medium for Metal-Working Liquids - The technology presents filter media and methods of recycling metal-working liquids by removing metal fines and other contaminants using the filter media. An exemplary method includes a series of steps. These steps include filtering a contaminated metal-working liquid that has metal fines through an exemplary filter medium that is comprised of a carrier and a chemical agent. The carrier is impregnated with a chemical agent selected from the group consisting of phosphoric acid, polyphosphoric acid, phosphorous acid, phosphorous pentoxide, and mixtures or derivatives of these. Further, the exemplary method includes collecting a filtrate substantially free of ashable residue; and reusing the filtrate as a metal-working liquid. | 10-07-2010 |
| 20100264098 | CHITOSAN-COATED FIBERS TO SATISFY NSF50 TEST STANDARD FOR SPAS AND POOLS - A fibrous filter media is provided for meeting NSF 50 requirements for water turbidity in pools, hot tubs and spas which includes a sheet of nonwoven fibers coated with chitosan, wherein the sheet may be pleated or present in a stacked layer configuration. | 10-21-2010 |
| 20110114572 | WATER TREATMENT APPARATUS AND METHODS - Fluid-treatment apparatus and methods are detailed. The apparatus may be plumbed in-line and have inlets and outlets near their tops rather than near their bases. They additionally may provide one or more channels through which fluid may flow so as to induce fluid flow through a central region. A platform for raising the (effective) bottom of a chamber of an apparatus above a base thereof further may be included. | 05-19-2011 |
| 20110147322 | LUBRICANT SUPPLY FILTRATION SYSTEM AND METHOD - A system and method of filtering lubricant in a lubricant supply system are provided. Lubricant from a lubricant source is directed into and through a coarse filter that is configured to remove, from the lubricant, particulate of at least a first dimension. A fraction of the lubricant discharged from the coarse filter is directed into and through a fine filter that is configured to remove, from the fraction of lubricant, particulate having at least a second dimension that is less than the first dimension. Lubricant discharged from the fine filter is directed back to the lubricant source. | 06-23-2011 |
| 20110204004 | Process for Water Treatment and Recovery of Industrial Waste Water - A process for the purification and recovery of a contaminated liquid, the process comprising: a source of contaminated liquid effluent, a primary filtration station having at least one filter; a first holding tank for receiving effluent from the primary filtration station, a dosing station; a mixing station; at least one other filtration station; and wherein, effluent passing from said at least one other filtration station is returnable to the primary filtration station for further filtration or recoverable from the system. | 08-25-2011 |
| 20120061334 | SETTLER WITH OVERFLOW RECYCLE - A method for controlling fouling of a settler vessel overflow system comprises maintaining at least a minimum stream flow in the overflow system by recirculating a portion of the overflow stream. A system for performing the method is also disclosed. | 03-15-2012 |
| 20120267325 | WASTEWATER TREATMENT PLANT AND METHOD FOR TREATING WASTEWATER, AND WASTEWATER TREATMENT SYSTEM - The invention relates to a wastewater treatment plant and method for treating wastewater, and to a wastewater treatment system having a plurality of filter layers disposed one under the other for purifying the wastewater, wherein at least one feeding device ( | 10-25-2012 |
| 20130168333 | CIRCULATION OF PROCESS WATERS IN ENTRAINED-BED GASIFICATION UNDER PROCESS PRESSURE WITH A PRESSURE FILTRATION UNIT - An apparatus and a method for circulating process waters from plants of dust-pressure or entrained-flow gasification of solid and liquid fuels are provided, wherein process waters are separated from solids or reduced in their solids content by a pressure filtration unit under process pressure and returned to consumer loads, such as raw gas quenching processes and scrubbing processes. | 07-04-2013 |
| 20130327729 | SUPPLEMENTAL FILTRATION FOR MACHINE FLUID SYSTEMS - Enhanced fluid filtration methods, systems, and techniques are disclosed that can leverage the function of a supplemental pump in combination with the existing components of a machine, such as the main pump of an electrically-powered machine with an engine. In various embodiments, a supplemental filter apparatus may be operatively associated with the supplemental pump to provide filtration of fluid flowing through the machine. A control module may be operatively associated with the supplemental pump and/or various components of the machine. The control module may be programmed to activate or deactivate the supplemental pump, a valve, or take other actions in association with detecting the existence of one or more filter triggering conditions. | 12-12-2013 |
| 20140014596 | PHASE SEPARATION PROCESS BY INVERSION OF THE DIRECTION OF DISPERSION - The present invention relates to a process for separating a phase (A) from a phase (B), phase (A) having a higher viscosity than phase (B), by inverting the direction of dispersion from phase (B) in phase (A) to phase (A) in phase (B) by recycling a stream comprising phase (B) in excess. | 01-16-2014 |
| 20140110360 | DEVICE FOR THERMALLY TREATING PRODUCTS WITH CLEANING OF THE PROCESS LIQUID - A device for thermally treating products in containers, including supply and discharge conveyors for containers; with at least one irrigation or spraying zone for irrigating or spraying the containers with a process liquid, for example water; and a circulation circuit for at least partially reusing said process liquid, the circulation circuit including at least one pump; with at least one separation unit with several essentially parallel lamellae for cleaning the process liquid from particles, for example broken glass and/or sand, and the pump pumps the process liquid along the lamella. | 04-24-2014 |
| 20140138328 | DEVICE AND METHOD FOR CLEANING A HYDRAULIC CIRCUIT - A device and a method for cleaning a hydraulic control circuit such as the hydraulic circuit serving to control a hydraulic element, for example, a cylinder/damper assembly used for controlling the angle of an aircraft landing gear assembly and providing shock absorption on landing. The device comprises a cleaning circuit comprising a filter that is connected to the control circuit instead of the controlled element. | 05-22-2014 |
| 20150041415 | FILTRATION SYSTEM FOR PROVIDING CLEAN FUEL - A filtration system is configured to provide clean fuel to a running combustion engine. The filtration system may be configured to be connected to a main fuel tank for storing contaminated fuel, and to be connected to a fuel supply of a combustion engine. A filtration circuit may include at least one filter, a first auxiliary fuel tank for containing fuel, and a first fuel pump configured to pump the fuel from the first auxiliary fuel tank through the filtration circuit back to the first auxiliary fuel tank. A second auxiliary fuel tank may be connectable to said first auxiliary fuel tank for receiving fuel from the first auxiliary fuel tank via a transfer valve. A control unit may be configured to control the transfer valve such that the first auxiliary tank is fluidly connected to the second auxiliary fuel tank only if fuel of a desired contamination level is contained in the first auxiliary tank. | 02-12-2015 |
| 20150122748 | FILTRATION OF LIQUID COOLANTS - A coolant for a machine is filtered by passing some of the coolant into a discharge tube having an opening, the discharge tube supporting a filter bag. Coolant flowing into the discharge tube flows out of the tube through the opening, and then through the bag, and the filtered fluid is recirculated. An end piece, pivotably mounted to the discharge tube, prevents the bag from falling off while in operation, but can be pivoted to a position which facilitates insertion and removal of the bag. When filled, the bag can therefore easily be removed and replaced with a new bag. The invention greatly simplifies the process of filtering a coolant fluid. | 05-07-2015 |
| 20150129512 | DISHWASHER APPLIANCE AND A METHOD FOR FILTERING LIQUID IN AN APPLIANCE - A dishwasher appliance and a method for filtering liquid in an appliance are provided. The method includes directing a flow of unfiltered liquid over a filter medium of the appliance in a first direction and urging a flow of filtered liquid adjacent the filter medium of the appliance in a second direction. The first direction is substantially perpendicular to the second direction. Such cross flow can assist with limiting clogging of the filter medium. | 05-14-2015 |
| 20150328388 | DEVICE FOR SEPARATING/HOUSING BLOOD COMPONENTS AND METHOD FOR PREPARING PLATELET-RICH PLASMA - Provided are: a device that is for separating/housing blood components and that can more easily and aseptically separate/house platelet-rich plasma; and a method for preparing platelet-rich plasma. The device for separating/housing blood components is provided with: a blood storage section; a component housing section for housing a component that is part of blood; and a linking tube that joins the blood storage section and the component housing section. The blood storage section has: a tube-shaped blood storage vessel; a blood lead-in pathway; and a component lead-out pathway. The component housing section has a component lead-in pathway and a metal needle. | 11-19-2015 |
| 20150360151 | PROCESS FOR REMOVING CATALYST FINES FROM A LIQUID STREAM FROM A FIXED BED REACTOR - A process for filtering a liquid stream from a fixed bed reaction zone in order to remove catalyst fines contained in the stream. The effluent stream is passed to a filtering section which may contain at least two filtering vessels. Each filtering vessel includes at least two differently filtering sections, each section designed to collect differently sized particles. If a pressure drop occurs in one of the filtering vessels, it may be taken offline to remove the filtering sections and recover the metal in the particles collected on the filtering sections. The other filtering vessel can remain online to allow the filtering process to be continuous. Metal on the catalyst fines may be recovered. | 12-17-2015 |
| 20160001208 | FILTER MEANS AND FILTER ELEMENT FOR TREATING A FLUSHING LIQUID FOR MATERIAL-REMOVING MACHINING AND METHOD FOR MATERIAL-REMOVING MACHINING - The invention relates to a filter device for treating a rinsing liquid for material-removing machining, said filter device having a filter element through which the rinsing liquid can be conducted for separating removed material particles. In order to increase the service life, the filter element is provided with a filter fabric, on the filtration upper side of which are formed fabric pores in the form of distinctive longitudinal slots which have a ratio of length to width of ≧1. | 01-07-2016 |
| 20160120156 | AQUARIUM FILTER - An aquarium filter consists of a housing with three filter elements including a coarse filter, a fine filter and a porous substrate. A pump provides for the flow of water through the filter, so that only part of the flow passes through the porous substrate. | 05-05-2016 |
