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Pneumatic Shoe Lacing Apparatus
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| Number | Title | Issue Date |
| 8092693 | Apparatus for inhibiting fines carryover Apparatus for inhibiting fines carryover in the form of a settlement tank comprising: a filter which divides the tank into upper and lower portions; a fluid inlet in the lower portion for admitting into the tank a fluid with entrained solids; and a fluid outlet in t... | 01/10/2012 |
| 7655151 | Method of operating a fluid treatment device employing a non-bonded media A fluid treatment and media management device having concentric inner and outer perforated cylinders defining a chamber therebetween for containing a media. A case surrounds the perforated cylinders and forms an annular space between the case and the outer perforate... | 02/02/2010 |
| 7341662 | Distribution and collection headers for a filter bed A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to i... | 03/11/2008 |
| 7326351 | Filter underdrain system for backwash flow and method for measuring same A filter underdrain system and a method for measuring the water flow through the underdrain filter system. The apparatus includes panel members assembled to form a perforate grid on the filter base structure of an underdrain block. The panels are generally rectangul... | 02/05/2008 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7288193 | Apparatus for directing fluids through a filter system A fluid distribution system for directing fluids through a filter system. The fluid distribution system ensures proper distribution of fluids during the process of filtering as well as the process of washing a filter bed. The fluid distribution system may be used wi... | 10/30/2007 |
| 7288194 | Underdrain system An underdrain system having a bottom formed of concrete. The concrete bottom includes a plurality of depressions formed therein. A porous plate is operably associated with at least one of the depressions. An anchor assembly is provided for anchoring the porous plate... | 10/30/2007 |
| 7270755 | Liquid filtration method embodying superbuoyant filtration particles Presented is a liquid filtering apparatus and method that overcomes the disadvantages encountered with prior bed filtration systems by providing a filtering apparatus that incorporates a super-buoyant filter medium having a specific gravity very substantially lower ... | 09/18/2007 |
| 7204930 | Water purification system and method An oxidation filtration system for cleaning groundwater, the system having an aeration tower and a filtration tank. Within the filtration tank is an upper chamber and a lower chamber. Contained within the lower chamber is a plurality of Styrofoam™ filter media. Se... | 04/17/2007 |
| 7192521 | Filter having a media retaining plate A filtration system that includes a plurality of underdrain blocks arranged to define a plurality of laterals. Each underdrain block defines an interior and an exterior and has an orifice that provides fluid communication between the exterior and the interior. The s... | 03/20/2007 |
| 7189365 | Liquid treating equipment including a storage vessel and a discharge vessel In a liquid treating equipment to maintain a small amount of liquid to a desired liquid level with constantly supplying an additional liquid into a small capacity vessel, a storage vessel 13 to store the small amount of liquid, an injection tube 16 to ... | 03/13/2007 |
| 7100371 | Hydraulic arrangement and process for its use A hydraulic arrangement is provided with at least one pressure accumulator for a hydraulic fluid, a hydraulic cylinder with at least one chamber to which pressure can be applied, a connecting line, on the basis of which the at least one accumulator is connected with... | 09/05/2006 |
| 7090771 | Filtration system underdrain The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across a... | 08/15/2006 |
| 7063787 | Filter media retaining cap and hold down grid The invention recites a filtration tank including a chamber for holding liquid to be filtered, the filtration tank includes a fluid inlet for providing liquid to the chamber. The filtration tank further includes a fluid outlet and at least one filter block disposed ... | 06/20/2006 |
| 7052206 | System and method for use of an extention basin as a storm water control device This paper proposes an integrated approach to storm water management and storm water treatment. Today's requirements for capturing and treating the first-flush of storm water can be met with a new device that also controls peak flows over a wide range of storms and ... | 05/30/2006 |
| 7045067 | Method and apparatus for increasing filter contaminant loading capacity The filter contaminant loading capacity of a depth granular media filter is increased by imposing a so-called “back-slip” on the filter bed. At intervals between normal backwashing, a volume of liquid is passed upwardly through the media bed under flow condition... | 05/16/2006 |
| 7029578 | Water treatment system A system suitable for the elimination of Cryptosporidium oocysts from water includes a filter bed comprising four layers of inert particulate material such that, from the top layer (first layer) to the bottom layer (fourth layer), the coarseness of the partic... | 04/18/2006 |
| 6991726 | Filter having a media retaining plate The invention recites a filtration system including a block including a first wall and a second wall substantially parallel to the first wall. A top surface that is substantially perpendicular to the first wall is disposed between, and coupled to, the first and seco... | 01/31/2006 |
| 6969469 | Method of using waste tires as a filter media The present invention is a method of using crumb rubber from recycled tires as a filter media. The use of crumb rubber as a media differs from conventional sand or anthracite filters in several ways. The crumb rubber media is compressible which allows the porosity b... | 11/29/2005 |
| 6942795 | Modular filter system and method of repairing and/or replacing components thereof A modular filter system and a method of repairing and/or replacing one or more components thereof. The modular filter system includes a traveling backwash hood assembly and a plurality of filter cells having media contained therein. The traveling backwash hood assem... | 09/13/2005 |
| 6936176 | Transportable water treatment system A transportable water treatment system comprising: an inlet adapted to receive water having a pressure of between 10 to 60 psig, a primary regenerable filter connected so as to receive water that has flown through the inlet, the primary regenerable filter configured... | 08/30/2005 |
| 6921481 | Automatic backwash filter system The invention is directed to an automatic backwash filter system that includes at least one influent port for introducing a fluid to the filter; a plurality of partitions forming a plurality of compartments for holding a filtering media for filtering the fluid; at l... | 07/26/2005 |
| 6878293 | Automatic valve assembly for water circulation systems A filtration and backwash system for a water source such as a swimming pool is provided including a fluid source, a pump, a filter and a specially designed five-port valve which is easily adaptable for automatic use in the filtration mode and in the backwash mode. T... | 04/12/2005 |
| 6821445 | Rainwater-treating apparatus in combined sewer system and backwashing method therefor The present invention is aimed at treating rainwater in a combined sewer system, while enabling removal of a majority of pollution substances even if a large amount of entering rainwater. The invention relates to a rainwater-treating apparatus in a combined sewer sy... | 11/23/2004 |
| 6775577 | Method and system for controlling a medical device In a medical device, a Tx Clock Button is presented on a graphics display overlain with a touch screen which allows an operator to control multiple functions of the medical device. Various parts of Tx Clock Button may be displayed in different colors, and based on t... | 08/10/2004 |
| 6755973 | Waste water treatment process for animal processing contaminant removal A process and system for removing animal processing contaminants and fats, oils, and greases from large volume quantities of waste water. In the process, a waste water stream containing the contaminants is treated with a chemical oxidant, polymer compound and coagul... | 06/29/2004 |
| 6616852 | Modular filter system A modular filter system having a mechanism for performing a filter to waste step on the last cell of a multi-cell system following backwashing. A method of operating a modular filter system in which a filter to waste step is performed on the last cell of ... | 09/09/2003 |
| 6607670 | Process for rapid colloidal suspension removal A method and apparatus is disclosed for very rapidly cleaning very small, colloidal particles from nuclear reactor water subjected to a high-energy waterjet cutting of metal using metal shot particles for cuffing such as garnet particles with the cutting ... | 08/19/2003 |
| 6544751 | Methods of harvesting rare cells from blood products The present invention provides methods of harvesting rare cells from blood products and/or obtaining products of the rare cells. The method includes contacting a blood product containing rare cells with a porous medium, and selectively retaining rare cell... | 04/08/2003 |
| 6517724 | Air charged backwashing bioclarifier The present invention provides a floating media biofilter having an economical structure which allows energy efficient and water conserving backwashing of the floating media. The biofilter includes a filter chamber fluidly connected to a charge chamber wh... | 02/11/2003 |
| 6387283 | Descending bed, continuously regenerating type filter with an adjustable length wash chamber An apparatus for continuously filtering a suspension includes a filter-medium washer provided with length-adjustable walls.... | 05/14/2002 |
| 6368510 | Method and apparatus for the removal of arsenic from water A method and apparatus for removing arsenic from water at point of entry or point of use particularly for residential application. The point of entry system comprises a first stage having a manganese greensand oxidizer to convert arsenite (As+3) present i... | 04/09/2002 |
| 6361701 | Method and device for continuous filtration of liquids The invention relates to a method and device for the continuous filtration of liquids containing solid matter, in particular for cleaning wastewater, by means of a filter bed consisting of a particulate filtering medium, which is continuously moved throug... | 03/26/2002 |
| 6325943 | Method of treating water using aerator and level-responsive vent valve A water treatment apparatus provides treatment of water to remove, for example, hydrogen sulfide and iron, dissolved or dispersed in ground water. The system is provided with water from a conventional well and pump and includes a venturi-type aerating dev... | 12/04/2001 |
| 6322705 | Method and a device for the purification of fluids A water-based heating or cooling plant incorporating a filtration device and a pipeline network for bleeding water from the heating or cooling plant to the filtration device, the filtration network for bleeding water from the heating or cooling plant to t... | 11/27/2001 |
| 6312611 | Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in filter underdrain flumes A concurrent backwash distribution apparatus for a filter having a filter tank and a plurality of underdrain laterals includes a baffle positioned in a common main conduit to define an auxiliary flume between the baffle and the underdrain laterals. The au... | 11/06/2001 |
| 6159384 | Methods and apparatus for monitoring a filter bed by differential pressure A differential pressure monitor measures the pressure at a plurality of heights in a filter bed. A preferred embodiment of the monitor comprises an elongated body, a plurality of pressure sensors located on the elongated body for obtaining the pressure re... | 12/12/2000 |
| 6132626 | Liquid filter A filtration unit is provided with a self-cleaning mechanism which backflushes a screening element therein when it becomes blinded by solid material. A reservoir enables a head of screened liquid to be built up above the screening element. Upon blinding o... | 10/17/2000 |
| 6110389 | Filtration unit A filtration tank (1) for purification of polluted water includes a chamber (12). Upper and lower filtration screens (20, 22) are supported within the chamber. Filtration particles (18) are confined between the upper and lower screens. Polluted water ente... | 08/29/2000 |
| 6015502 | Reversing flow coalescing system Apparatus is provided for coalescing microscopic droplets of organic (principally hydrocarbons) that are present with particles in an aqueous stream (primarily water), which avoids frequent shutdowns for backwashing. The system includes two anthracite bed... | 01/18/2000 |
