Matches 101 - 150 out of 368 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5804280 Composite structure having a porous filter medium and a method for forming same  
A composite structure comprises a porous filter medium, a substrate provided with at least one drainage pathway, and a support and drainage medium sandwiched between the porous filter medium and...
5792347 Effluent precipitation and neutralization vessel and method  
A neutral dischargeable effluent is developed by reaction between an acidic, spent photographic fixer liquid and an alkaline, spent photographic developer liquid; the spent fixer liquid contains...
5762793 Filter apparatus for waste water discharge system  
A waste water filtering apparatus includes a vertically extending filter housing having a plurality of filter tubes disposed therein. At least one of the filter tubes has an opening in the bottom...
5736043 Filter for medical instrument sterilization containers  
A filter (32) is provided for a medical sterilization container (10) having a port (18,22,24) allowing fluid communication between the interior of container (10) and the surrounding environment. A...
5733445 Storm sewer catch basin filter  
A removable filter assembly includes a relatively thin support grate positioned on top of an inlet grate, a filter fabricated from a geotextile material is positioned on the support grate and has...
5718825 Liquid filter, in particular fuel or oil filter  
A liquid filter, such as an oil or gas filter, is provided which has a cup-shaped cylindrical filter housing to be mounted in a vertical orientation, with a releasable cover closing the filter...
5707535 Vacuum loadable divided phase separator for liquid/solid separation  
A portable vacuum loadable liquid-solid separator tank having a bed with a drain, surrounding sides and a dividing wall. A grate overlays the interior of the vessel, bed, and sides, and forms the...
5688588 Water purification device  
A drinking straw that purifies water by forced movement of water through the straw. The straw is composed of: 1) a filter plug made of a fibrous structure, the filter plug having sides, a first...
5674395 Multiple sample separator  
A multiwell filtration device having at least two liquid receiving reservoirs is disclosed in which at least one of the side walls includes one or more openings for passing liquid therethrough. A...
5672277 Extraction of water from oil  
A bag type device (2) for extracting water from oil includes a bag (3) with an outer layer of felt (20) lined by at least one layer (22) of water absorbing laminate. The interior of the bag is...
5665224 Filter jug  
A filter jug to contain water or other liquid, the jug comprising a first compartment to receive liquid and a second compartment to hold filter liquid to be poured from an outlet of the second...
RE35559 Bag filtering unit for the dehydration of sludges with a supported vibrating device  
A unit for the dehydration of sludges, particularly for purification plants including a support structure (10) supporting a vibration causing device (24), at least a collection reservoir (11) of...
5630940 Filter device for the filtration of fluids  
The filter device (10), provided for the filtration of fluids, comprises two interconnected material structures (14,16) forming a filter unit (12). The two material structures (14,16) are...
5626751 Filter unit and high-pressure sizing apparatus  
A filter unit comprises a metallic supporting plate possessed of stepped through holes opening with a larger diameter in one main surface and with a smaller diameter in the other main surface...
5620605 Cassette membrane system and method of use for low pressure separations  
A membrane fluid separation apparatus having a vessel, a plurality of membrane cassettes in the vessel, the cassettes including a plurality of membrane units capable of performing a fluid...
5618419 Filter cartridge with back structure defining a weir  
A filter cartridge for use with liquids or gases which includes a back structure having a plurality of pockets formed in it and filtration granules contained within the channels. Each of the...
5597493 Device and method to separate the components in mixture of non-miscible liquids  
The device (1) separates two components of a mixture (11) of non-miscible liquids, especially water or salt water and oils. The device (1) consists of a hollow body (2), having an inlet port (4) to...
5595654 Sludge filtration system and method  
A sludge filtration system for separating the sludge liquids from the sludge solids. A container provides a basin for receiving and holding the sludge. Within the container, a first filter...
5595653 Microcolumn for extraction of analytes from liquids  
An apparatus for extracting an analyte from a liquid sample, comprises a microcolumn having a microparticulate media therein, the media being sandwiched between two compression layers. Preferably,...
5595657 Recyclable photographic filters  
A recyclable filter cartridge for use in photographic processing has a main tubular housing 11 that encases a core in which a synthetic fiber filtering material 17 is located. The core is accessed...
5593587 Cell strainer  
A cell strainer to be equipped at the top of a tube for removing impurities, such as supporting tissues, speculae, etc. from a suspension of cells or tissues comprising: a) a flange to be held...
5591330 Oil filter containing an oil soluble thermoplastic additive material therein  
An oil filter utilizes a thermoplastic material having oil oxidation and acidification arresting additives mounted in a casing between a particle filtering material (such as cotton fibers) and a...
5589081 Divided phase separator for liquid/solid seperation in sludge  
A suitable liquid-solid separator tank having a bed with a drain, surrounding sides and a dividing wall. A grate overlays the interior of the vessel, bed, and sides, and forms the dividing wall. A...
5582719 Filtration system  
A filtration system comprising a housing whose overall surface, excepting a bottom surface and an upper surface, is tightly closed, a filter medium disposed within the housing, an air jetting...
5567309 Self-filtration cap  
An improved filtration device capable of filtering and storing liquid which can then be removed from the device for analysis. A top cap is placed over a filter cap such that a seal is created...
5562963 Absorbent pads for containment, neutralization, and clean-up of environmental spills containing chemically-reactive agents  
A pad for cleaning up liquid spills is described which contains a porous surface covering, and an absorbent interior containing chemically reactive reagents for neutralizing noxious chemicals...
5549825 Liquid filter structure  
A filter screen structure for a backflushed liquid filter has a screen separating the raw-liquid side of the filter from the clean-liquid side thereof, including at least one row of substantially...
5527457 Monitor well hydrocarbon absorber and solidifier  
A non-woven fabric cylinder adapted for insertion within a canister of screened casing pipe that is placed in underground monitor wells to collect and contain spilled or leaked hydrocarbons such as...
5514275 Smooth wall filter vessel and liner  
A filtering device for filtering a liquid includes a vessel having an inlet and outlet communicating with a chamber found within the vessel. A flexible, liquid permeable filtering bag is suspended...
5512175 Assembly for removing hydrophilic contaminants, method of the same, and apparatus for producing phenol  
An assembly for removing hydrophilic contaminants and a method of removing hydrophilic contaminants such as sodium included in an oil-state liquid using the removing assembly, which is able to...
5511904 Storm water infiltration  
A funnel structure for filtering and discharging storm sewage into an aquifer from a bottom of a manhole. The funnel is adapted to receive unitized filters. These filters can be selected from known...
5505863 Processing waste washout liquid containing photopolymer from printing plate manufacture  
Waste washout liquid containing liquid washable photopolymer from a printing plate manufacturing process is subjected to filtration via a centrifugal filter unit. The unit has a collector for the...
5484523 Arrangement for a filter for the purification of oil  
Filtration apparatus for the purification of various oil products such as combustion oil, lubricating oil, hydraulic oil, or transformer oil is disclosed, including a housing, a rigid, hollow core...
5482625 Filtration membrane module  
A filtration membrane module submerged with processed liquid in the processing tank. Plural plate-like, rigid membrane cartridges are vertically placed in parallel to each other as properly spaced...
5478469 Filter assembly for cooling water in a nuclear reactor  
A filter for removing hazardous particulate matter from an aqueous flow. The filter includes a rigid support housing having an input port for the aqueous flow, an exit port for the aqueous flow, a...
5468382 Depth filter media  
A porous filter medium is formed by a pleated cylinder of a depth filter medium. An absolute rated inner filtration layer is arranged between upstream and downstream drainage layers. The depth...
5466379 Method of removing oil and oil like environmental contaminants from water of ground surfaces  
Oil and oil products are adsorbed with a three-dimensional lattice structure formed by coating individual glass fibers, assembling them and drying them at a temperature of about 150° C. so that...
5458773 Bilge oil absorber and solidifier  
A pillow for placement in enclosed areas utilized to collect and contain spilled or leaked hydrocarbons such as boat bilges and sumps absorbs pollutants that come in contact. The absorbed material...
5429742 Plastic frame filter unit for a stack assembly  
A filter unit comprises a plastics frame into which a sheet of filter medium is insert moulded. Portions of the frame form apertures and other portions allow fluid access to and from the opposed...
5421281 Pillows adapted for use on board oil spill system for oil carrying tanker  
An open celled plastic foam treated with a polymer which is adsorbed in the surface of the foam and causes the polymer adsorbed foam to become an oil wick and to be impervious to water. The polymer...
5419373 Filter support tube for a filter cartridge  
A filter support tube for use in a filter cartridge including a helical wound wire defining a cylinder and a plurality of reinforcing strips extending generally parallel to a longitudinal axis of...
5407575 Oil spill cleanup and recovery system  
The present invention comprises a two-part sorbent pad having a flat, chemically treated polyethylene foam inner core completely surrounded by a flexible, durable, chemically treated polypropylene...
5403474 Curb inlet gravel sediment filter  
A portable curb inlet sediment filter which has a box filter frame and a primary baffle panel defining a filter chamber, to be filled with a particulate filter medium, such as gravel, for sediment...
5384046 Screen element  
A screen element or screen basket for sorting and classifying a fluid flow, in particular for treatment of fiber suspensions or for mechanical purification of molasses, includes a screen insert...
5354468 Sanitizing, deodorizing and cleaning units for evacuation system filter traps  
A sanitizing, cleaning and deodorizing unit for evacuation system filter traps of the type used in dental evacuation suction systems comprises a housing bounded by a side wall having openings that...
5336405 Filter cartridge end cap assembly  
A filter cartridge is provided with an end cap and a lock ring which capture a filter element therebetween on assembly and which include projections extending beyond the outer surfaces of the end...
5290457 Filter element with regenerable bulk material filling and method for making same  
A regenerable deep bed filter element and method for making it, the element being provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one...
5287985 Container for dewatering or packaging and transportation  
A container capable of dewatering wet mixtures and for transportation which comprises (1) an external cylindrical container with openings therein having a hanging member in an upper portion...
5264134 Method of filtering pollutants from storm water  
A method is provided of removing hydrocarbon pollutants from a surface of a body of water in a storm water filtration system containing an oil separation chamber including a removable top cover to...
5258118 Reusable fluid filter  
This invention relates to a reusable filter unit for an internal combustion engine wherein the filter fulfills both a filtering function and an additive function, the filter including a filtering...
Matches 101 - 150 out of 368 < 1 2 3 4 5 6 7 8 >