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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 8123941 | Sand filter and method of constructing same A sand filter apparatus (10) for treating water includes a filter retention vessel (16) having an outlet (18) from which filtrate can be supplied. An inlet arrangement (48) is in fluid communication with the filter retention vessel and is... | 02/28/2012 |
| 7371323 | System and method for reducing wastewater contaminants A wastewater treatment system. Toilet, kitchen, commercial, and industrial process waste is segregated from the total wastewater stream and treated in order to reduce the total nitrogen, phosphorous, pathogens, household hazardous and hazardous wastes and organic ca... | 05/13/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7311829 | Water conversion device A water treatment device and method for treating a quantity of water is powered by gravitational flow. The device includes an upper collecting chamber (14) and a filtration chamber (18). The filtration chamber includes a set of reactance containg at le... | 12/25/2007 |
| 7291265 | Passive treatment of wastewater and contaminated groundwater A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a second, floating phase for nutrients. Biodegradable oils are preferred n... | 11/06/2007 |
| 7291262 | Road surface waste water treatment device and tubular water treatment unit The invention provides a runoff water purification system for removing pollutants which accumulate on road surfaces, thereby reducing the workload of the sewage water treatment plants and preventing environmental water pollution. The system 1 is installed und... | 11/06/2007 |
| 7232517 | Passive freestanding portable liquid filtration device A freestanding portable liquid filtration device (18) having an upper housing (24), a lower housing (32) and a base (36) which are secured together with an interference fit, with an enclosed lower portion of the upper housing (24) ... | 06/19/2007 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
| 7166214 | Dental amalgam separator An apparatus for the removal of mercury and other harmful substances from effluents produced in dentist offices is described. The apparatus involves a series of inclined plates upon which mercury reducing bacteria are present, and a subsequent alkaline pH precipitat... | 01/23/2007 |
| 7157001 | Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater Process and apparatus for treating wastewater from a sewer system including the steps of: (A) removing solids contained in the influent to create solids-depleted preliminary effluent (PrE) and to protect downstream systems from premature failure due to wear from sol... | 01/02/2007 |
| 7105086 | Storm drain capture and containment device A storm drain system (10) contained in the ground (36) contains a standpipe (12) having a bottom section (18) having perforations (20) where a porous pavement (22) surrounds the top portion of the standpipe (12), wher... | 09/12/2006 |
| 7065863 | Liquid splash preventing mechanism and component mounting apparatus The present invention has for its object to provide a mechanism for preventing a liquid from splashing from a liquid tank, and a component mounting apparatus with this liquid splashing prevention mechanism. The liquid splash prevention mechanism has a first seal mem... | 06/27/2006 |
| 7048781 | Chemically-impregnated silicate agents for mercury control The present invention is directed to a contaminant removal agent comprising a polyvalent metal sulfide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered sil... | 05/23/2006 |
| 7014761 | Environmentally friendly dual lube venturi filter cartridge An environmentally friendly dual lube venturi filter cartridge which has no metallic components. A plastic centertube having a venturi section supports a bypass filter element on standoffs molded into the centertube. An outer concentric full flow filter element surr... | 03/21/2006 |
| 6998038 | Stormwater treatment system A system for removing material from a flowing liquid, where the system includes one or more cartridges, where each cartridge has an outer permeable wall and an inner permeable wall that form a media region between the walls, where a media is disposed within at least... | 02/14/2006 |
| 6991734 | Solids retention in stormwater system Apparatus for receiving and dispersing stormwater beneath the earth surface is comprised of an array of chambers, preferably having arch shape cross section, buried in crushed stone. Surface stormwater flows first through a diverter, then into a solids retention sub... | 01/31/2006 |
| 6974537 | Diesel fuel purifier The diesel purifier produces a fuel of high purity that meets the full ignition requirements at the combustion chamber of the engine. The purifier comprises a purification chamber encapsulated by an external body of the unit wherein, the purification chamber has a b... | 12/13/2005 |
| 6966987 | Tangentially fed media filter method and apparatus A water treatment device for purifying process water by filtration comprising a housing containing a filter media, having a bottom gravel bed and an upper silica bed, and a fluidizer for backwashing the filter media. Process water is tangentially introduced and caus... | 11/22/2005 |
| 6911570 | Method for fixating sludges and soils contaminated with mercury and other heavy metals The invention relates to a method, composition and apparatus for stabilizing mercury and other heavy metals present in a particulate material such that the metals will not leach from the particulate material. The method generally involves the application of a metal ... | 06/28/2005 |
| 6869525 | Storm drain filter system A storm drain filter system apparatus includes a skimmer tray having a sediment collection closed bottom and having an inlet side and an outlet side and a hydrocarbon absorbing boom. A plurality of boom support brackets each has a boom holding portion for holding th... | 03/22/2005 |
| 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 |
| 6783683 | Stormwater pollutant separation system and method of stormwater management A stormwater pollutant separator system is provided with the system having a stormwater pollutant separator, a by-pass system, an intake conduit and an outflow conduit connected together. The stormwater pollutant separator includes a chamber with a weir plate and si... | 08/31/2004 |
| 6709585 | Purification system for wastewater coming from fruit and vegetable processing plants and phytosanitary treatments in the field Said equipment include a tank-filter (1, 15) in which a pretreatment stage is carried out. The tank (1) is a decanter to which a flocculant that is uniformly mixed with an agitator (3) can be added. The sludge is removed by delivering it to a fi... | 03/23/2004 |
| 6524473 | Gravitational separator and drainwater treatment system for use in a horizontal passageway A hydrodynamic gravitational separator and an attending drainwater filtration section positionable within a horizontal flow passage of a drainage system utilizes a circular-walled collection cavity into which drainwater is directed so that a swirling moti... | 02/25/2003 |
| 6495033 | Device for separating two non-mixable liquids with different specific gravities Device for separating two non-mixable liquids with different specific gravities such as oil and water, which device contains a first separation tank (2) with an overflow (11, 12) for each of the liquids to be separated, a coalescence filter (3) whose inle... | 12/17/2002 |
| 6461502 | Apparatus for recovering a specific ingredient in sea water An apparatus for recovering a specific ingredient in sea water, which comprises an adsorbing bed tank, a layer of an adsorbent charged on the bottom portion of the adsorbing bed tank, a sea water intake pipe provided in a bottom portion of the adsorbing b... | 10/08/2002 |
| 6451173 | Separator system An improved apparatus useful in a process for separating a liquid stream (which can be an HF catalyst mixture) having a first liquid component (which can be HF), a second liquid component (which can be light ASO) and a third liquid component (which can be... | 09/17/2002 |
| 6432312 | Closed system for rearing aquatic life The present invention provides improvements for indoor closed systems used to raise aquatic life, along with methods to overcome the current problems associated with such indoor closed systems. The present invention provides an aquatic life rearing system... | 08/13/2002 |
| 6428697 | System for processing waste water Methods comprise processing wastewater to produce useful products. Preferably wastewater is ash leachate from landfills which is processed using magnetohydrodynamic treatment followed by electrolytic cell treatment to produce sodium hypochlorite. Methods ... | 08/06/2002 |
| 6428698 | Coagulation precipitator A coagulator for receiving water bearing suspended solids and a coagulant and for coagulating the suspended solids includes a coagulation and sedimentation part and an upstream coagulation part. The coagulation and sedimentation part includes a second pac... | 08/06/2002 |
| 6358407 | High turbidity wastewater purification system A device and method for the filtration and purification of suspended solids from high turbidity wastewater or other fluids using a slow circulating fluid stream flow inside a vessel of fluid containing a mixture of coagulant and suspended solids. By deter... | 03/19/2002 |
| 6337016 | Apparatus for removing noxious contaminants from drainage water The invention relates to an improvement in known apparatus for removing or separating certain contaminants and debris from drainage water. The known device has a tank defining a chamber with an inlet and a pair of vertically spaced outlets. A bulkhead wit... | 01/08/2002 |
| 6319396 | Clarifier cone for filtering and separating solids from solution A separator vessel and a biological reactor vessel are connected in tandem to remove separable wastes from waste water and to deactivate toxins, respectively. In a first embodiment, waste water is gravity fed into the separator vessel where it flows downw... | 11/20/2001 |
| 6299771 | Composite adsorbent element A composite adsorbent element comprising a packed mixture of granules and fibers, which are desirably granular activated carbon (GAC) and activated carbon fiber (ACF). The element is employed as a filter for purifying tap water. In the composite adsorbent... | 10/09/2001 |
| 6290842 | Coagulator A front packing medium accumulation layer (90) and a downstream packing medium accumulation layer (44) which are separated by a lower outflow prevention plate (40) are arranged within a coagulation tank (80). The superficial water passage velocity within ... | 09/18/2001 |
| 6217760 | Waste water treatment system The waste water treatment system comprises a waste water treatment facility having an inlet for the entry of waste water and an outlet, and a re-circulation tank including an inlet and an outlet. The inlet of the waste water treatment facility is in fluid... | 04/17/2001 |
| 6217757 | Storm drain filter with vertical screens The present storm drain filter comprises a tubular housing with a solid vertical surrounding wall and sized for being recessed inside a storm drain. The housing is supported in the drain by a flange around its top edge. A tubular cartridge is detachably a... | 04/17/2001 |
| 6177004 | Septic system filter apparatus A septic system filter apparatus for filtering waste water as it travels from a septic tank to a septic field. The septic system filter apparatus includes a filtering system for filtering water from a septic tank for receiving waste material. A filtering ... | 01/23/2001 |
| 6132620 | Method and apparatus for separating oil and water Oil is separated from an aqueous mixture by first feeding the oil-water mixture into a separation tank and allowing the mixture to separate by gravity so that the oil rises to the surface, forming a layer above the aqueous phase; then removing the layer o... | 10/17/2000 |
| 6083402 | Stormwater drain filter A Stormwater Drain Filter for removing sediment and liquid hydrocarbons comprised of a tank having a central outlet which flows into a sewer inlet and is surrounded by a floating boom which is hydrophobic and liquid hydrocarbon absorbent.... | 07/04/2000 |
