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| Number | Title | Issue Date |
| 8074810 | Methods of and sludge collector with adjacent opposed oppositely-moving blades for moving sludge in a basin Apparatus and methods provide individual blades driven by drives configured to reduce a tendency of sludge to be moved in an undesired return direction. Drive configurations apply “pull” and “pull” forces that only pull on tensile structures, avoiding a need... | 12/13/2011 |
| 7780015 | Methods of and sludge collector with adjacent opposed oppositely-moving blades for moving sludge in a basin Apparatus and methods provide individual blades driven by drives configured to reduce a tendency of sludge to be moved in an undesired return direction. Drive configurations apply “pull” and “pull” forces that only pull on tensile structures, avoiding a need... | 08/24/2010 |
| 7401704 | Conveyor apparatus A conveyor apparatus for conveying solid material in a process vessel includes, a first baffle set comprising a plurality of inclined baffles located above the eductors and arranged to restrict upward flow of solids in the direction of movement of the solids. A seco... | 07/22/2008 |
| 7393456 | System and method for concentrating and removing sludge at the bottom of a waste water holding tank A new settlement tank and its associated method of operation. The settlement tank has side surfaces and a bottom surface that define a tank of a predetermined volume. A trough is disposed in the bottom surface of the tank. At least one outlet port communicates with ... | 07/01/2008 |
| 7326338 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 02/05/2008 |
| 7208080 | Low cost oil/grease separator A container for receiving and holding effluent water containing oil/grease to be removed has sectional covers. A main sectional cover supports a partially immersed rotatable disk; a drive on the main sectional cover rotates the disk; a trough on the main sectional c... | 04/24/2007 |
| 6736970 | Arrangement for treating solids settled on the bottom of an electrolytic tank An arrangement for treating solids settled on the bottom of an electrolytic tank. Said arrangement comprises a collector element movable essentially along the bottom of the electrolytic tank or in the vicinity thereof, said collector element being provided with mean... | 05/18/2004 |
| 6641724 | Tangential separating device for solid matter The invention relates to a device and a method for chemically and physically separating solid materials from a suspension using flotation. A rotationally symmetrical flocculation/flow reactor is provided with outlets in the lower part thereof and is arran... | 11/04/2003 |
| 6607666 | Mud tank cleaning system A mud tank cleaning system includes a debris collection sweep that drives debris towards a collection zone in a mud tank, whence the debris can easily be mechanically disposed of through an opening in the mud tank. Preferably, the collection zone is in a ... | 08/19/2003 |
| 6551536 | Reverse osmosis membrane having excellent anti-fouling property and method for manufacturing the same A reverse osmosis membrane having excellent antifouling property, which is advantageous in terms of fundamental prevention of fouling generated by inorganic crystalloids, organic contaminants, and microorganisms, and a method for preparing the same. The m... | 04/22/2003 |
| 6482320 | Solid-liquid separator A solid-liquid separator including a separation tank, a treated water outlet (16) at the top of the tank, a sludge outlet (17) at the bottom of the tank, a draft tube (3) near the center in an upper inner zone of the tank and connected to a raw water inle... | 11/19/2002 |
| 6238559 | Device for separating floating layers in a liquid basin A device is disclosed for separating a floating layer mass, such as mud, foam and the like, from a liquid which resides in a liquid basin, e.g., a settling basin, and carries the floating layer. The device includes a transport device which moves the float... | 05/29/2001 |
| 6096228 | Apparatus and method for handling waste-C-I-P II An apparatus for handing a waste material is disclosed. Generally, the apparatus comprises a pump mounted within a container. The container has disposed thereon a rail member. The apparatus also contains a trolley mounted on the rail. The trolley has oper... | 08/01/2000 |
| 5932094 | Collection container with transport pump A collection container with transport pump (4) for conveying liquids containing production residues, for instance chips, coolant and lubricant. The collection container (1) is developed as a cylindrical pot with a substantially flat container floor (5). A... | 08/03/1999 |
| 5910243 | Displacement device A device for displacing sediment, for example sand, from the bottom of a liquid-filled container (20) to a receptacle device (29) in which first conveyor (22) is disposed in the edge region (21) of the container (20) near the bottom of the container to re... | 06/08/1999 |
| 5846440 | Apparatus and method for handling waste An apparatus for handling a waste material is disclosed. Generally, the apparatus comprises a container having disposed thereon a rail member. The apparatus also contains a trolley mounted on the rail. The trolley has operatively associated therewith a ha... | 12/08/1998 |
| 5676827 | Apparatus for discharge of sediment from a tank A device for displacing sediment, for example sand, from the bottom of a liquid-filled container (20) to a receptacle device (29) in which first conveyor (22) is disposed in the edge region (21) of the container (20) near the bottom of the container to re... | 10/14/1997 |
| 5662807 | Apparatus and method for handling waste An apparatus for handling a waste material is disclosed. Generally, the apparatus comprises a container having disposed thereon a rail member. The apparatus also contains a trolley mounted on the rail. The trolley has operatively associated therewith a ha... | 09/02/1997 |
| 5422006 | Underwater clearing device for round sewage treatment basins An underwater clearing device for round sewage treatment basins having an approximately radially extending clearing device formed as a rake blade (8) that is revolvingly driven and sweeps along the bottom (2) of the round sewage treatment basin. The drive... | 06/06/1995 |
| 5167815 | Apparatus for removing substances from the surface of a liquid For removing oil from a liquid surface (2), an outer circumferential area (14) of a receiving disk (1) rotated by a drive (3) is immersed in the liquid and the adhering oil is removed therefrom by strippers (42,43). The after-flow of oil to the receiving ... | 12/01/1992 |
| 5100545 | Separation tank A separation tank adapted for use in washing and separating recycled polymeric material from contaminants, the separation tank comprising a centrally disposed baffle and being adapted to receive and circulate an aqueous medium around the baffle; transvers... | 03/31/1992 |
| 5098580 | Method and system for receiving and handling polluted liquids, especially stratified oil products in petrol and oil tanks A method and system for handling polluted liquids with a mobile sewage vehicle, especially stratified oil products in a petrol or oil tank wherein the contents of the tank normally separates into horizontal layers of useless polluted liquid and fully usea... | 03/24/1992 |
| 4971693 | Muddy water processing apparatus An apparatus for processing muddy water containing particulate matter comprising a tank for receiving the particulate matter, and takeout means for receiving the particulate matter settling down in the tank and then conveying the received particulate matt... | 11/20/1990 |
| 4871449 | Clarifier and screw compactor liquid-solid separator Discloses transportable liquid clarifying and screw conveyor/compactor liquid-solid separator apparatus which includes a pressureable clarifier vessel portably mounted on a base with a top and sides converging to the bottom of the vessel for attachment to... | 10/03/1989 |
| 4701266 | Solids dewatering apparatus and process An apparatus and process for liquid removal from a mixture with solid particulate materials utilizing a screw conveyor within a housing for transport of solids, the screw conveyor upcoming side being in proximity to the housing means and the screw conveyo... | 10/20/1987 |
| 4289519 | Method of dewatering granulated-slag slurry Molten slag is granulated with water to produce a granulated-slag/water sry that is fed into the bottom of a horizontally extending foraminous drum. This drum has radially inwardly extending vanes and is rotated to lift up the granulated slag and separat... | 09/15/1981 |
| 4204855 | Apparatus for dewatering granulated-slag slurry Molten slag is granulated with water to produce a granulated-slag/water sry that is fed into the bottom of a horizontally extending foraminous drum. This drum has radially inwardly extending vanes and is rotated to lift up the granulated slag and separat... | 05/27/1980 |
