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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7662297 | Method of and apparatus for separation of scum from a liquid Apparatus for the separation of scum from a liquid including a housing (22) incorporating two side walls in spaced relationship and a scraper wall disposed between said side walls. A rotational device (12) mounted in the housing (22) provides ro... | 02/16/2010 |
| 7553425 | Screen for swimming pool skimmer and method of using same A skimming screen for a swimming pool filtration system is disclosed. The skimming according to the invention includes a support frame having a central opening and a mesh fabric or screen material attached to the support frame so as to extend over substantially the ... | 06/30/2009 |
| 7504037 | Oil and vapor recovery system An oil and vapor recovery system having a float system for adjusting the height of oil and vapor recovery intakes. The float system is preferably adjustable to allow connection of additional floats to maintain buoyancy and keep the vapor intake above the level of th... | 03/17/2009 |
| 7449121 | Method and arrangement for removal of surface scum A method for removal of surface scum in an apparatus, which includes at least a first surface chute arrangement that exists in a liquid basin and which is meant for removal of surface scum. Surface scum is exhausted by an overflow arrangement belonging to the first ... | 11/11/2008 |
| 7384548 | Manually controlled skimming of industrial oil contaminants The present invention provides a method for removing an oil contaminant from a surface of an aqueous solution, comprising manually controlling a surface skimmer from a remote location to remove a layer or a batch of an oil contaminant from an oil-aqueous solution mi... | 06/10/2008 |
| 7364663 | Filter system A filter system for receiving an oil-in-water emulsion contaminated with an emulsified contaminant oil, and separating the emulsified contaminant oil from the oil-in-water emulsion includes a filter media for receiving the oil-in-water emulsion and emulsified contam... | 04/29/2008 |
| 7364664 | Foreign matter removing mechanism, fluid flow processing equipment, and foreign matter removing method The present processing apparatus blocks off such a portion of a flow of a plating solution (17) that is other than a vicinity of a liquid surface, by using a first partition plate (15) whose lower end is in close contact with a bottom of a plating tank... | 04/29/2008 |
| 7350322 | Dewatering system apparatus and method for dredging buckets A dewatering apparatus for removing water from the interior volume of a closed, loaded clamshell dredging bucket. The dewatering system comprises at least one conduit adapted for support from a clamshell type dredging bucket. The conduit has a first end adapted for ... | 04/01/2008 |
| 7351385 | System for enabling landfill disposal of kitchen waste oil/grease An apparatus for conversion of kitchen waste grease to a landfill-acceptable solid includes a grease collection cartridge. A mixing baffle within the cartridge has a package with a reactant to convert grease and oil, and water into soap. The apparatus has means for ... | 04/01/2008 |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7338602 | Grease trap waste treatment and fat, oil, and grease (FOG) recovery system A method to process grease trap waste or refuse and remove organic matter, and reclaim fats, oils, and grease (FOG) found in it. The process is initiated after dewatering the grease trap material to increase its concentration; the resulting sludge is then mixed with... | 03/04/2008 |
| 7331472 | Method and apparatus for separation of a mixture of non-miscible liquids A tank has an inlet opening mounted at an end wall at the beginning of an elongated horizontal path for supplying a mixture to be separated, and two outlet openings mounted at the end of the elongated horizontal path for separately draining the separated liquids. An... | 02/19/2008 |
| 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 |
| 7326354 | Active barrier for polluted waters and method for its installation The invention relates to an active barrier (1) and a method for its use. The active barrier (1) is used to contain and to collect polluting material floating over bodies of water, such as river, lakes, lagoons, bays or open oceans. More specifically, t... | 02/05/2008 |
| 7326163 | Pressure pad for closing bottom of carton Pressure pads useful in the closing and sealing of multiple components which define the bottom of a carton, particularly a gable-type carton, bottom having a square or rectangular footprint. The invention is especially useful in the closing of the bottom of cartons ... | 02/05/2008 |
| 7314571 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 01/01/2008 |
| 7314141 | Folding belt filter A belt filter for effecting separation of liquid from solids where, at the collection zone, a filter belt or belts is changed shape so as to provide a supporting shape to bold liquid, which is then fed into a nipping zone. In an embodiment there is a single belt use... | 01/01/2008 |
| 7311821 | Water circulation unit with increased throughput for swimming pools, and filter unit comprising the same A water circulation unit includes an ejector (142), a convergent, and a pipe (146) which is arranged in the extension of the convergent. The ejection axis practically merges with the symmetry axis of the convergent, the two axes forming a common axis o... | 12/25/2007 |
| 7311820 | Swimming pool recirculating water distribution header A water distribution header for a swimming pool recirculation system includes a nozzle having an arcuate face with a plurality of dispensing apertures positioned thereon. The dispensing apertures are in fluid communication with an inlet having a ball joint thereon t... | 12/25/2007 |
| 7309443 | Skimmer and filter The present invention provides a skimmer and filter unit for use with a body of water. The unit comprises a housing, a basket for collecting debris, and a partitioning baffle with upper openings and optionally lower openings, and a microorganism eradication system w... | 12/18/2007 |
| 7303688 | Oil skimmer and method of operating same A skimmer used to remove both heavy and light oil from a body of water or for the removal of either light or heavy oil and a method of operation of the skimmer. The heavier oil is removed from a first location on a rotating member and the lighter oil is removed from... | 12/04/2007 |
| 7300576 | Pool cleaning system and safety skimmer A swimming pool cleaning system includes a pump, a first tube coupling a suction port of the pump in fluid communication with a main drain or mobile cleaning device which draws water and settled debris from the bottom of the pool, and a skimming device including an ... | 11/27/2007 |
| 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 |
| 7282144 | Semi-submersible floating decanters and methods of using same Semi-submersible floating decanters and methods of use are provided. The decanters are moveable between a non-decant position and a decant position, and include a float forming an internal cavity, the float having a central annulus, a weir having an inlet opening an... | 10/16/2007 |
| 7278435 | Assembly and system for isolation of waste water in outdoor, open-air wash station A system and method for the collection of waste water generated in the course of maintenance or washing of a large object in an open-air, outdoor environment. The system, in its simplest form, includes a wash deck having a drain located within a valley of the deck, ... | 10/09/2007 |
| 7276157 | Swimming pool strainer A swimming pool strainer formed of a substantially U-shaped housing including an end panel with a pair of spaced side panels perpendicularly extending therefrom. Positioned between the side panels are a plurality of spacer dowels that enhance the structural integrit... | 10/02/2007 |
| 7273556 | Method for treating water containing manganese The invention concerns a method for treating water for human consumption, so as to eliminate manganese and possibly other metals comprising steps which consist in: causing said water to pass at least over a bed of filtering material (3) consisting at least pa... | 09/25/2007 |
| 7270754 | Apparatus and method for processing of animal manure wastewater According to the present invention, there is provided a wastewater processing apparatus and method comprising a rotating filter thickener (20) receiving and filtering a wastewater mixture and producing a first filtrate output and a first sludge output, a scre... | 09/18/2007 |
| 7267235 | Greywater recycling apparatus The invention provides a unitary device for converting an open-top container into a greywater recycling apparatus comprising a vessel lid having a submersible float switch-operated pump depending therefrom by extension means sized to enable the positioning of the pu... | 09/11/2007 |
| 7267133 | Large scale tubular line kiting system A large scale cleaning plug (L) adaptable to be placed within an interior passageway (10) of a tubular system (14) includes a generally conically shaped element (C) having a first end (18) and an opposite second end (20). The width of the... | 09/11/2007 |
| 7264714 | Protein skimmer A protein skimmer for use in purification of water by culture of fish or other water organisms in a reservoir, aquarium or (2) with a circulation system comprising one or more discharge tubes (4) for water from the reservoir (2) to a pump (5 | 09/04/2007 |
| 7258788 | Circular clarifier apparatus and method This application relates to a circular clarifier for separating and removing separable matter, such as suspended solids, from a liquid. The invention may be used, for example, for separating return activated sludge from clarified liquor using a gas flotation process... | 08/21/2007 |
| 7255192 | Actuated tether A self-actuating robot or vehicle tether capable of moving itself, remaining free while traversing around obstacles, and free itself is disclosed. In a preferred embodiment of the invention, a valve is mounted to the tether or robot. An inflow conduit attached to or... | 08/14/2007 |
| 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 |
| 7223348 | Method and apparatus for separation of a mixture of non-miscible liquids The present invention provides a new and improved method and apparatus for separating a disperse mixture of two non-miscible liquids to increase the separation extent within less time required as per usual. The proposed method includes the steps of providing a tank ... | 05/29/2007 |
| 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 |
| 7185766 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 03/06/2007 |
| 7186346 | Low cost indoor grease trap An oil/grease removal assembly includes a container having an inlet to receive effluent from a kitchen sink. A drain connection spaced above the container bottom defines a static water level for contained liquid and connects to a sewer. A baffle extends downwardly b... | 03/06/2007 |
| 7179373 | Removing foreign matter from aquarium water Apparatus and method for removing foreign matter from water at selected levels in an aquarium utilize a valving mechanism placed between a skimmer adjacent the upper surface of the water and a lower inlet adjacent the lower bottom of the aquarium, the valving mechan... | 02/20/2007 |
| 7172705 | Skimmer A skimmer device and a method for skimming a liquid, foam, fat or other solid or liquid material or anything else that a user wants to remove or separate from a remaining liquid or solid that is left in a container. ... | 02/06/2007 |
