| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210170030 |
For stormwater treatment (e.g., rainwater runoff, stormsewer treatment, etc.)
| 89 |
| 210170050 |
Floating means
| 36 |
| 210170110 |
Body of saltwater (e.g., sea, ocean, etc.)
| 20 |
| 210170080 |
Septic system including drain field or leach field or waste liquid treatment system
| 18 |
| 210170090 |
Body of freshwater (e.g., pond, lake, reservoir, etc.)
| 18 |
| 210170080 |
Septic tank or waste liquid treatment system
| 18 |
| 210170070 |
Groundwater
| 15 |
| 210170040 |
For excavating means | 5 |
| 20080217228 | Oil-water separator - An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the trench. The trench water is admitted into the housing, where it contacts a plurality of buoyant oil-absorbing members, causing the oil particles to adhere to the surface of the oil-absorbing members. An outlet conduit located downstream from the oil-absorbing members is connectable to a pump to cause the oil-free water to be pumped from the housing and diverted away from the trench. | 09-11-2008 |
| 20090120861 | Plant for Recovering a Polluting Fluid Contained in the Tanks of a Sunken Vessel - The invention relates to a plant for recovering a polluting fluid contained in the tank ( | 05-14-2009 |
| 20110042284 | DREDGING APPARATUS - In embodiments of the invention, a dredging head assembly uses vacuum only, or a combination of vacuum and flexible PVC tines, rather than the harsh digging and/or scraping features of conventional dredging equipment. Embodiments of the invention also provide a dredging head assembly that may be used in very shallow water. An embodiment of the invention includes a hose and wand to enable vacuuming around obstacles. One variant of the head assembly is adapted for skimming floating debris from the surface of a body of water. | 02-24-2011 |
| 20130098817 | Sediment retention bag - A sediment retention device including a water-permeable outer containment structure, a water-impermeable injection tube including an outlet disposed within the outer containment structure, and a flocculent treatment material disposed within the injection tube. The injection tube can include an agitation structure to promote mixing contaminated water with the treatment material. A baffle including water distribution openings can be disposed over the outlet to distribute water into the outer containment structure. | 04-25-2013 |
| 20140021114 | DRILLING MUD CLEANING AND RECIRCULATING SYSTEM AND VEHICLE FORMED THEREWITH - A drilling mud cleaning and recirculating apparatus includes a vehicle that has a platform mounted with a chassis, and a drilling mud processor for cleaning dirty drilling mud, a generator, a spoil dump bed, a dirty drilling mud inlet, and a clean drilling mud outlet, all mounted with the platform. The drilling mud processor is coupled in fluid communication to receive dirty drilling mud from the dirty drilling mud inlet for cleaning and to deliver clean drilling mud to the clean drilling mud outlet, the spoil dump bed is coupled to receive debris generated by the drilling mud processor from the cleaning of dirty drilling mud, and the generator is coupled to power the drilling mud processor. | 01-23-2014 |
| 210170020 |
For fishpond | 2 |
| 20080217226 | ORNAMENTAL POND FILTER APPARATUS - According to a first aspect of the instant invention, there is provided herein a new solids separator which will preferably be used in conjunction with a skimmer/filter combination of the sort traditionally utilized in ornamental ponds. According to a second aspect of the instant invention, there is provided herein an aerator for use with an ornamental pond or the like. Finally, in still another preferred embodiment there is provided a diffuser which is designed to provide a smooth flow of fluid therefrom when it is used as, for example, a waterfall feature. | 09-11-2008 |
| 20100193420 | Submersible Filter System for Stock Tanks and Ornamental Ponds - The invention is directed to a filter system for ornamental ponds and stock tanks that has a housing defining an internal chamber. A number of feet are located on a lower flat surface of the housing, which hold the housing off of the bottom of the pond. A filter slot in the lower surface holds a filter. A pump is inside the internal chamber of the housing and has an inlet inside the internal chamber and an outlet outside the internal chamber of the housing. When the filter system is submerged, the pump draws water in along the bottom of the body of water through the filter. As a result, the debris on the bottom of the body of water is drawn into the filter. Once the debris is drawn into the filter, microbes in the filter are able to break down the debris. | 08-05-2010 |
| 210170100 |
Surface flowing freshwater (e.g., stream, river, ditch, canal, etc.) | 2 |
| 20140021113 | Pollution Control Vessel - Catamaran-type boat for collecting waste (petroleum, oils, rubbish, algae, etc.), of those comprised by two parallel and longitudinal hulls, wherebetween is defined a tunnel wherethrough water flows, a control bridge, and at least one fuel tank for servicing a main engine, fundamentally standing out in that it permits access thereof to very shallow areas, and in that once said waste has been collected and filtered, it is packaged in bags and tossed back into the water for its subsequent collection or towing by auxiliary boats, allowing the ship to be used continuously in a greater number of situations; additionally permitting the configuration of the ship for “open sea” waste collection, and a configuration of the ship for “coastal areas”, rivers, marshes or suchlike. | 01-23-2014 |
| 20160376181 | IN-SITU PURIFICATION ISLAND STRUCTURE AND THE CONSTRUCTION METHOD THEREOF - An in-situ purification island structure and the construction method thereof, which refers to the field of sewage treatment technology. The in-situ purification island structure comprises the upstream purification island main body and the downstream purification island main body, in which the upstream purification island main body comprises the first base backfill layer, the first lower layer, the first hydrophobic layer, the first penetrating water layer and the first upper layer. The first ecological bags are set around the surface of the first base backfill layer. The first lower layer has center formed with a lower filling layer. The first hydrophobic layer has center formed with a hydrophobic filling layer. It has a good natural purifying effect on the sewage, saves the investment and cost, no limitation on the applications, the capacity and efficiency of the purifying is high, and saves the resource. | 12-29-2016 |
| 210170060 |
Separator with aerator | 1 |
| 20080217229 | Vacuum Skimmer for Ponds and the Like - A vacuum skimmer for ponds, swimming pools or similar bodies of water has housing with an intake opening and a dirt collecting container arranged downstream for collecting coarse materials. The water to be purified is sucked in through the dirt collecting container by a pump arranged downstream. The intake opening is provided on one housing side. The vacuum skimmer is movable in such a way that the intake opening upon operation of the vacuum skimmer can orient itself in different directions. The vacuum skimmer has an aeration device by means of which air can be blown into the water. | 09-11-2008 |
| Entries |
| Document | Title | Date |
|---|
| 20080202999 | Leach Field Form and Method of Use - A leach field form comprising: a container with an open bottom and an open top, and four exterior walls of a first height, and at least one interior wall; at least one geonet volume with an open bottom and an open top located in the container; at least one granular volume with an open bottom and an open top located in the container; and where any of the at least one geonet volumes is separated from any adjacent granular volume by an interior wall. A method of making a leach field using a leach field form comprising: digging a trench; placing a leach field form in the trench; backfilling the trench, allowing backfill to fill any granular volumes in the form; inserting geonet into geonet volume located in the form; and removing the form from the trench. | 08-28-2008 |
| 20080296213 | POLLUTANT PURIFICATION APPRATUS - An apparatus for purifying polluted water is disclosed, which can naturally remove polluted water stagnated in a treatment tank. The apparatus includes a treatment tank and an infiltration tank. The treatment tank has an inlet at its one side, and first and second outlets at its other side. The treatment tank treats the polluted water that flows through the inlet and discharges the treated polluted water through the first outlet. The infiltration tank is connected to the second outlet and has a plurality of infiltration holes formed on the body thereof. The infiltration tank allows the treated polluted water that flows from the second outlet of the treatment tank to permeate into the ground though the plurality of infiltration holes. Since the polluted water stagnated in the treatment tank can be naturally released, odor due to decay of the polluted water and a subsequent insect infestation can be prevented. In addition, maintenance fees to maintain to the treatment tank can be reduced. | 12-04-2008 |
| 20090045115 | ENVIRONMENTALLY-NEUTRAL PROCESSING WITH CONDENSED PHASE CRYOGENIC FLUIDS - Systems, methods and apparatus are provided for utilizing a substantially condensed phase cryogenic fluid for the purpose of remediation and retrieval of, e.g., spilled crude oil and other “oil spill”-related products from marine/aquatic and terrestrial environments. In some implementations, systems and apparatus are provided for applying a substantially condensed phase cryogenic fluid to a volume of spilled oil, and further having structure for collecting the spilled oil. Some implementations are environmentally-neutral. Substances other than oil may be remediated as well. | 02-19-2009 |
| 20090166277 | METHOD OF CLEANSING FILTRATION MEDIA AND SYSTEM THEREOF - A predetermined amount of filtration sand is suctioned out in the upward direction with a pump from a filtration reservoir embedded in the ground, during a backwash cleansing operation. The suctioned filtration sand is supplied to a sand cleansing apparatus and the filtration sand is cleansed to remove contaminants. The cleansed filtration sand is retained in a retention tank. The stocked filtration sand is returned to the filtration reservoir during the backwash cleansing operation. By repeating the suctioning, cleansing, retaining and returning of the filtration sand in this manner, the filtration sand within the filtration reservoir is automatically cleansed. | 07-02-2009 |
| 20090255863 | Wastewater treatment apparatus - A chemical/biological wastewater treatment apparatus employing rapid sludge chemical dewatering technology in conjunction with an environmental biological system for treating the separated treated wastewater by land applying it for the propagation of biosynthetic fuels and other plants; and/or passing it through aqueous plant, algae, or microbial reduction of the dissolved solids and ammonia for BOD compliance to produce water of sufficient quality to meet open stream and ocean effluent discharge requirements; and disposing of the high BTU low moisture solids. | 10-15-2009 |
| 20100006488 | Well Fluid Separator Tank for Separation of Fluid Comprising Water, Oil and Gas, Use of Such a Tank, and a Method for Separating a Well Fluid Including Water, Oil, and Gas - A well fluid separator tank comprises an essentially cylindrical vertical tank ( | 01-14-2010 |
| 20110174706 | SYSTEMS AND METHODS FOR WATER HARVESTING AND RECYCLING - This disclosure describes a system for recycling and reusing water from sprinkler systems to water or irrigate a yard or an area of land. The system includes a water reclamation tank that stores water captured from beneath the area of land. When it is time to water the area of land, the sprinkler system draws water from the water reclamation tank. A portion of this water is then recaptured and supplied back to the water reclamation tank for further storage until the next time the sprinkler system is activated. This cyclical process occurs repeatedly and enables a significant reduction in the amount of freshly supplied water used to maintain the area of land. | 07-21-2011 |
| 20120217193 | In-Place Material Recovery and Separation Apparatus - An apparatus to convey and seal a material recovery and separation container (MRSC) that is water and air permeable for in-place material recovery and separation of a primary product of clean water and clean air and a secondary product of floating contaminants such as an oil spill or other pollution from a composite mixture of products at the surface of water or at depths (oil plume). The apparatus has a horizontal platform base for support and to provide a lay-down area, provide an operator support area, and provide a structure for connecting to a local containment boom and standoff. One embodiment is a hook and rail conveying system brings the MRSC to the composite mixture, through the composite mixture for collection, to a container closing area and to a lay-down area. The MRSC is closed after filling. | 08-30-2012 |
| 20120273402 | Device for purification of water from petroleum and / or petroleum-derived products - The invention relates to environment protection and can be used for cleaning industrial wastewater, liquidation of oil spills resulted from ecological disasters. The invention provides a reliable device for cleaning water from oil nano- and micro-particles and other impurities. Such device comprises a pump pumping a liquid flow of water with impurities particles. The pump is connected to a water dynamic purification unit (WDPU) with a channel including a first type section with variable cross-section decreasing downstream, a minimal passage cross-section, a second type section with variable cross-section increasing downstream. The first type section includes a zone with a plurality of protrusions and deepenings. One protrusion has a maximal height greater than the heights of other protrusions. Preferable sizes and relations of channel elements are disclosed. The WDPU uses cavitation that allows decomposing oil particles, and reduction of the flow speed for commencement of cavitation and sedimentation time. | 11-01-2012 |
| 20120273403 | RECLAIMER SYSTEM - A reclaimer system for removing solid material from a fluid-filled pit. The reclaimer system comprises a screen, a pump, and a conveyor. The screen is positioned within the pit such that the pit is divided into a first portion and a second portion. The screen includes a plurality of openings. The pump is positioned in the first portion of the pit and includes at least one intake port in fluid communication with the first portion of the pit. The conveyor is positioned in the second portion of the pit adjacent the screen. The conveyor includes a frame, a belt, a plurality of flight members mounted on the belt, and a conveyor deck. The flight members are mounted on the belt and move the solid material along the conveyor deck, carrying the solid material out of the pit. | 11-01-2012 |
| 20140042064 | Ecological Biotope Water Purification System Utilizing a Multi-Cell and Multi-Lane Structure of a Constructed Wetland and Sedimentation Pond - The present invention provides an ecological biotope water purification system utilizing multi-cells and multi-lanes by considering the width, length, curvature and slope of proposed composition site wetland and pond. The system comprising: a sedimentation pond ( | 02-13-2014 |
| 20150129472 | Fiber Mats Coated with Nanogrid Visible Spectrum Photocatalysts - Cellulose acetate or polyvinylpyrrolidone is electrospun into fibers having diameters of nanometer scale to form a first mat that is capable of absorbing hydrocarbons. A second mat may be formed from a solution of cellulose acetate or polyvinylpyrrolidone further containing tungsten trioxide. The solution is electrospun onto a copper mesh and then thermally oxidized to create a nanostructure comprising a grid or network of tungsten trioxide crystals and copper oxide crystals. The nanogrid is capable of photocatalyzing the degradation of hydrocarbons to carbon dioxide and water. The grid may be combined with the first mat to degrade hydrocarbons that the first mat absorbs. | 05-14-2015 |
| 20160002080 | WATER PURIFICATION SYSTEM FOR HARD BOTTOM LANDSCAPE WATER BODY - A water purification system for a hard bottom landscape water body is provided, with a bottom of the hard bottom landscape water body paved with hard materials, comprising a filling element layer and a frame body, wherein the frame body is paved on the bottom of the landscape water body; the frame body includes a cover plate with a plurality of through-holes, and a plurality of supporting parts positioned below the cover plate; the filling element layer includes a plurality of filling elements disposed between the plurality of supporting parts positioned below the cover plate, and the filling elements further include structures configured for microorganisms in water to adhere to. In the present application, the filling element layer provides an adhesion medium for the microorganisms in water, and the frame body provides a protection to the filling element layer, which creates an advantageous site for the microorganisms in water. | 01-07-2016 |
| 20160047217 | SEPARATION SYSTEM USING HEAT OF COMPRESSION - The present invention relates to a subsea system, where the subsea system comprises a separator ( | 02-18-2016 |
| 20160096124 | FLUID FILTRATION APPARATUSES AND FLUID FILTRATION SYSTEMS RELATED THERETO - A fluid filtration apparatus may have a fluid filtration platform and at least one self-cleaning filter component in fluid communication with the fluid filtration platform. The fluid filtration platform may have at least two segments where each segment may have at least one inlet, at least one outlet, and at least one valve. A first segment may be configured to be attachable to a second segment. A fluid filtration system may have or include at least one first tank comprising a recovered fluid, a fluid filtration apparatus in fluid communication with the first tank, and a second tank in fluid communication with the apparatus. Another fluid filtration system may have at least one charge pump, a fluid filtration apparatus in fluid communication with the charge pump(s), and at least one salt water disposal pump in fluid communication with the apparatus for pumping a fluid into salt water disposal wells. | 04-07-2016 |
| 20160376177 | Underground Septic Tank - Storage tanks, for example, underground septic tanks, and their methods of fabrication are provided. The tanks include a substantially liquid impermeable plastic vessel having a top, a bottom, and sides; a concrete container encasing and retaining the plastic vessel, the concrete container contacting the bottom and at least partially contacting the sides of the plastic vessel; and at least one opening for receiving effluent, for example, waste effluent, into the plastic vessel. The methods of fabricating the tanks include positioning a plastic vessel into an enclosure; introducing concrete into the enclosure about the plastic vessel; allowing the fluid concrete to cure to provide a substantially solid concrete container about the plastic vessel; and removing the plastic vessel having a concrete container from the enclosure. Vessel shape retaining devices are also disclosed. Aspects of the invention are uniquely adapted to underground storage. | 12-29-2016 |
