Class 210/156 - Fluid stream or residue operated

Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus moved by the flowing stream or by a collection
No. of patents: 32
Last issue date: 10/04/2011

Number	Title	Issue Date
8029666	Wastewater screening device A wastewater screening device includes a perforate screening member through which wastewater flows, including a plurality of laterally spaced apart screening rods interconnected by cross members, such that solids in the wastewater are captured by the screening membe...	10/04/2011
8029665	Wastewater screening device A screening device for wastewater includes a perforate screening member through which wastewater in an associated channel flows from a bottom side thereof to a top side thereof. An overfall wall is positioned in the wastewater channel. A clearing member is shiftable...	10/04/2011
7718055	Automatic cleaning drain structure An automatic cleaning drain structure includes a cover member, a base, a fan blades set and an object expeller set. The fan blades set is installed interior of a holding space of the base A wind power device extends from the object expeller set, and functional conne...	05/18/2010
7234894	Storm drain basin gate system An automatically openable and closeable gate system that will find primary use with the street curb opening to a catch basin or vault of a storm drain system, and for other similar openings, the system having a gate which during dry and low-flow water drainage situa...	06/26/2007
7141158	Debris separating apparatus for use in downspout below an eaves trough A debris separating apparatus for use in downspout below an eaves trough comprises a main housing having a water and debris inlet, a water outlet, and a debris outlet. A debris deflector mounted within the main housing between the water and debris inlet and the wate...	11/28/2006
7138048	Apparatus and method for the removal of solids and floatables from a wastewater stream An apparatus for removing particulates from a wastewater stream includes a chamber having a wastewater inlet and wastewater outlet which promotes a generally horizontal wastewater flow. A grating is provided in the chamber between the wastewater inlet and the wastew...	11/21/2006
7125486	Device for removing small solids from water in canal There is disclosed a device for removing small solids from water. The device includes an axle and a plurality of rotational filtering units installed on the axle. While rushed and hence rotated by water and small solids, the rotational filtering units filter the sma...	10/24/2006
7083720	Variously configurable rotating biological contactor and prefabricated components therefor Improved fabricated subcomponents, components and rotating biological contactor embodiments that are assembled from, and that incorporate, such subcomponents and components are achieved. The components comprise tank sections, bulkheads, contactor drums, paddle wheel...	08/01/2006
7066685	Drainage grate A drainage grate assembly having a drainage grate which is reinforced by a substantially continuous reinforcing member confined within the grate. The load rating for the drainage grate assembly can be adjusted by adding metal strips which can be disposed within and ...	06/27/2006
7011743	Water pollution trap with water flow baffles A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber are one or more baffles forming gaps and having apertures. The gaps define a longer water flow route through the chamber and the ape...	03/14/2006
6994783	Water pollution trap with inlet basket A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber is a screen that is elevated for separating and suspending miscellaneous debris such as vegetative matter, paper, and plastic, and t...	02/07/2006
6972088	Pivotal gate for a catch basin of a storm drain system A pivotal gate system to be installed across the drain opening to a catch basin of a storm drain system and having a catch basin blocking gate that is adapted to rotate from a closed position extending completely across the drain opening at which to trap and prevent...	12/06/2005
6955756	Storm drain movable baffle A flow control baffle is suspended from a pivot shaft across a drain passage to restrict passage of waste material; the shaft is connected to a torque limiter which prevents rotation until a selected load is applied to the baffle upstream face; the torque limiter ha...	10/18/2005
6939461	Water pollution trap with oil segregator/collector A chamber has an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber is a collection reservoir having an adjustable weir with a skimming edge for skimming off floating matter such as motor oil, other hydr...	09/06/2005
6936163	Water pollution trap with clay collector A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber is a pivotal filter that catches clay during typical storm flows and pivots out of the way during higher flows. In alternative embod...	08/30/2005
6936164	Rotary drum rainhead A device for separating debris and other material from rainwater as it flows into a downpipe from a roof gutter is disclosed. The device has a compartment for fitting to the upper end of a downpipe. The compartment has a horizontally pivoted perforated drum which ro...	08/30/2005
6869523	Curbside drain barrier for detaining solid trash during no or slow water flow A system to exclude trash from curbside drains during periods of no or slow water flow, but opening to permit full entry during heavier flow such as during heavy rains. The system may have a linkage preventing opening by force on its barrier, and to assure that it w...	03/22/2005
6824677	Curbside trap for pollutants and solid trash A trap for a curbside drain opening to exclude solids of excessive size from the drain and trap them for analysis and recovery. The trap has a face which will open at high rates of water flow to avert flooding that might be or caused by plugging the drain opening. A...	11/30/2004
6797161	Multi-stage water pollution trap A chamber having an inlet for receiving polluted storm-water runoff and an outlet for the storm water to flow out. Within the chamber are a screen, one or more baffles, a collection reservoir, and a pivotal filter. The screen is elevated for separating and suspendin...	09/28/2004
6767456	Reusable storm water sampler and pollutant filter insert An insert for use in a sewer system to remove oils and solvents carried by surface water runoff. The insert includes a holder and a quantity of water permeable, hydrophobic, oil and solvent absorbing material such as melt blown polypropylene. The holder has two func...	07/27/2004
6733665	Storm drain system for preventing and filtering debris, trash and hydrocarbons with removable inserts A prevention system is provided for disallowing trash from entering a catch basin during a dry season, and employing an apparatus attached to the opening of a storm drain and having a plate movable between open and closed positions, and operated by an insert placed ...	05/11/2004
6576141	Apparatus and method for collecting floating debris A floating system for collecting floatable debris is provided with curtains that direct the flow of water that contains floatables into the traps of the system while functioning as a pressure relief mechanism for the system which avoids placing excessive ...	06/10/2003
6540911	Dewatering system A dewatering system for separating a stream of liquid from the items traveling therein. The dewatering system includes a primary grid which catches the stream of liquid from a flume or other device. The liquid stream, but not the solid items, passes throu...	04/01/2003
6379541	Stormwater sediment and litter trap A pollution control device (10) for removal of litter and sediments from a flowing stream of stormwater or the like, the device including an upwardly inclined flume (11,18) adapted to be disposed adjacent the discharge end of a stormwater outlet (16) with...	04/30/2002
6183633	Separator A separator for separating material from a fluid which includes an inlet, a separating chamber in fluid communication with the inlet, a holding chamber, a deflector for deflecting material entrained in or moving with fluid entering the separating chamber ...	02/06/2001
6117336	Self-cleaning water powered helix boom The helix boom removes floating objects from a waterway by transporting them to the waterway side for containment and subsequent removal. Lateral transport across the waterway width is accomplished by the rotation of the buoyant boom transversing the wate...	09/12/2000
5814216	Waste water contaminant segregating unit for sewer conduits The screening apparatus of the invention has a main cylindrical chamber linking a waste water inlet pipe to a refuse pipe and to an overflow outlet pipe. The waste water inlet pipe conveys water from a city sewer duct or the like, and this water is destin...	09/29/1998
4929350	Rotary screw fish collector A porous, conical structure for submersion in a body of water for rotation by water action. A screw blade in the structure confines as well as propels fish toward an outlet end of the porous structure. A support structure for the porous, conical structure...	05/29/1990
4814075	Feed box assembly A feed box assembly including a feed box for feeding a slurry or other mixture to a screen, the box having an adjustable gate for controlling the rate and impingement angle of the feed on a screen and seals on the gate and cooperating fixed deflectors in ...	03/21/1989
4702828	Drain pipe animal guard A tamper resistant animal guard for a drain pipe outlet having self cleaning prongs for preventing the admission of small animals while allowing sticks, leaves and other debris to flow from a drain pipe is provided by the utilization of a plurality of ind...	10/27/1987
4110216	Apparatus for collecting debris floating in a stream Apparatus for collecting debris floating in a stream comprises collector means disposed astride the stream with a first part arranged to engage and intercept floating debris and with another part pivotally mounted downstream and above the surface of the s...	08/29/1978

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Class 210/156 - Fluid stream or residue operated