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| Number | Title | Issue Date |
| 7897039 | Apparatus for collecting condensed water of air conditioner evaporator in heavy construction equipment An apparatus for collecting condensed water of an air conditioner evaporator in heavy construction equipment is disclosed, which is able to receive condensed water into a receiver from an evaporator and treats the same which comprises a body which is installed at on... | 03/01/2011 |
| 7470361 | System for stormwater environmental control The present invention provides a method of installing an environmental control system so as to allow for separate sizing of treatment and bypass capacity while also offering the ability to make or change either treatment or bypass capacities at different times. This... | 12/30/2008 |
| 7270747 | Storm water drain system An in-line storm water drain system and a filter basket for a storm water drain system are provided in which the storm water drain system has a housing having an inlet and outlet thereinto and interior walls forming a plurality of chambers therein. The filter basket... | 09/18/2007 |
| 7258785 | Apparatus for separating oil and debris from water run-off A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an... | 08/21/2007 |
| 7249000 | Fluid monitoring systems and methods with data communication to interested parties Various sensor unit configurations are disclosed within the context of a fluid quality monitoring system. The distribution of sensor units can be accomplished using existing product distribution channels to sell, distribute and install sensor units so that a fluid d... | 07/24/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7128831 | Pollutant containment system A pollutant containment system for containing the spillage of fuels or other hydrocarbons or the like comprises a first layer (14, 60), a containment vessel (16) for receiving liquid passing through the layer (14) and channelling means (22 | 10/31/2006 |
| 7048878 | Process of forming oil-absorbent bodies A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of multitud... | 05/23/2006 |
| 7040838 | High capacity catch basin filtration system with adjustable deflector ring A catch basin filtration system having a filter body dimension to fit within a drain inlet forming a trough or reservoir obstructing at least a portion of the inlet. The filter body is supported by a filter body support dimensioned to cooperatively engage with the i... | 05/09/2006 |
| 7037616 | Fuel cell system having drain for condensed water stored in reforming reactor A fuel cell system having a reforming reactor is disclosed, in which condensed water generated in the reforming reactor is drained during the warming-up of the system, so as to quickly complete the warming-up. The system comprises a fuel cell for generating power by... | 05/02/2006 |
| 6976808 | Catch basin filtration system will disposable silt/contaminant collector A catch basin filtration system is disclosed. A filter body is dimensioned to fit within an drain inlet forming a trough obstructing at least a portion of the inlet. The filter body is supported by a filter body support dimensioned to cooperatively engage with the i... | 12/20/2005 |
| 6974540 | Street curb drain filter A street curb drain filter is comprised of U-shaped brackets for attaching to an inside wall of a street curb drain adjacent an inlet. A horizontal retaining bar is attached to the outer ends of the brackets. The lower edge of a horizontally elongated flexible net i... | 12/13/2005 |
| 6962655 | Filter accessory for use in swimming pool water flow system A basket that is used in a pool cleaning system includes a flap that is biased closed and is opened against the bias by water flowing into the basket. When a pump drawing water out of a pool moves water through the basket, debris in the water is trapped in the baske... | 11/08/2005 |
| 6913689 | Methods and apparatus for removing sediment from a liquid using pulses of pressurized air Methods and apparatus for removing sediment from a liquid are provided. Pulses of pressurized air are directed into a conduit having an inlet disposed within a first liquid-containing vessel adjacent to (or within) the sediment to cause a slurry of liquid and sedime... | 07/05/2005 |
| 6287459 | Drainwater treatment system for use in a vertical passageway A drainwater treatment system positionable within the vertical passageway of a drainage system utilizes a catch basin for accepting drainwater which flows downwardly into the drainage system and a filter-supporting section disposed alongside the catch bas... | 09/11/2001 |
| 6241878 | Self-purging in-line filter Described is a self-cleaning filter for a liquid stream confined in a pipe 20. The filter includes a porous ceramic filter body 30 having a power source 35 attached thereto. Upstream from the filter body a helical rib 50 and a sump drain tube 42 are provi... | 06/05/2001 |
| 6106706 | Storm water filter arrangement A filter apparatus for filtering gross pollution from storm water for fitment to storm water traps located at the entry and exit of storm water, underground and drainage systems. The apparatus includes a gross pollution filter basket located below the ent... | 08/22/2000 |
| 6093314 | Drain insert for storm water sewer systems, and method of manufacture A drain insert for the drain inlets of storm water sewer systems comprises an outer housing, an inner sleeve integrally formed with and extending within the outer housing, a support hanger carried by the outer housing and adapted to rest atop a concrete f... | 07/25/2000 |
| 6063275 | Reverse osmosis system having an accumulator means for preventing contamination of the system air gap An accumulator for use in a reverse osmosis (RO) system of the type in which the RO reject water is routed through a backflow prevention device, and then through a conduit section to a drainage conduit for eventual emptying into a sewer system. The accumu... | 05/16/2000 |
| 5573677 | Washing machine rinse water recovery apparatus and method A cloudy water recovery and recycling apparatus and method of use. The apparatus recovers cloudy water defined as water recovered from the rinse cycle of a clothes washing machine. The apparatus is comprised of an electronic controller, a storage tank, a ... | 11/12/1996 |
| 5433886 | Stabilization of polyether polyamino methylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides Polyether polyamino methylene phosphonates, which possess high calcium tolerance and have been found to give excellent inhibition of the formation, deposition and adherence of scale-forming salts, especially calcium carbonate, in aqueous systems involving... | 07/18/1995 |
| 5049263 | Fluid strainer with blockage detection A strainer cup strains a flow of particle-bearing fluid. When blocked, unstrained fluid overflows the cup spilling into a chamber. A switch detects a level of fluid and signals a blocked strainer cup condition, as the chamber drains off the unstrained flu... | 09/17/1991 |
| 4872975 | System for separating abrasive material from a fluid used in fluid jet cutting A system for separating abrasive material from fluid used in fluid jet cutting includes a catcher tank, a settling tank and a pumping device which pumps fluid containing an abrasive material from the catcher tank and centrifugally separates an abrasive sl... | 10/10/1989 |
| 4834888 | Hemodialysis apparatus comprising a sterile filter A hemodialysis apparatus includes a sterile filter whose outlet, which is usually closed, is connected to a line leading to a discharge outlet in wherein a bypass valve is employed which can be opened at predetermined intervals both during treatment and d... | 05/30/1989 |
| 4555331 | Self-metering semi-automatic quantitative filtration assembly A semi-automatic quantitative filtration assembly is disclosed having a measuring means to measure and present a known quantity of fluid for filtering and a fluid holding means adjacent to a filter medium. The fluid holding means is adapted to receive and... | 11/26/1985 |
| 4048071 | Liquid filtering device The peripheral surface of a coil of a filter web wound about a hollow shaft is covered by a liquid impervious flexible coating, and the outer periphery of a first end of the coil is secured to a supporting disc so that when liquid to be filtered is caused... | 09/13/1977 |
