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WO/2020/128232A1 |
Disclosed is a removable blocking device (1) for transversely plugging a passage (20) delimited by a cylindrical side wall (20a, 20b); this device comprising: a) a support and immobilising element (2) comprising a central block (2a) havi...
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WO/2020/125143A1 |
Disclosed is a cable trench waterproof and antiskid construction method, comprising: (1) a concrete bottom surface of a cable trench is provided as an inclined plane structure, drainage holes are formed in the bottom of a lower side of t...
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WO/2020/115629A1 |
The present system comprises a toilet bowl (2), a hinged seat (3) with a sealing closure, and a controllable trap with a sealing closure (22) which is arranged at an evacuation outlet (21) of a receptacle (20) of the bowl. According to t...
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WO/2020/117383A1 |
A hose for use with a blower and an underground vault. The hose surviving an explosion initiated inside the underground vault. The hose is blast-resistant, arc-flash-resistant, and fire-resistant. A first end of the hose is connectable t...
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WO/2020/117436A1 |
A drain system includes a support frame installable in a tile floor that has a base portion and a wall portion that forms a seat for a drain cover within the support frame. The wall portion defines a cover-facing surface arranged to inte...
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WO/2020/117444A1 |
A method and apparatus for providing access to a buried pipe by excavating the ground to expose the pipe then attaching an access assembly to the pipe. The access assembly includes a curved plate with an aperture therein substantially al...
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WO/2020/109551A1 |
The invention relates to a mobile sanitary device, in particular for a rail vehicle, comprising a vacuum toilet, a flushing button, a voltage supply, a control apparatus and a control unit (1, 1', 1'', 300). The invention relates in part...
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WO/2020/105964A1 |
The present invention relates to a sewage pipe control system. In a rainwater soil chamber, sewage is introduced through an upper inlet and collected, and the collected sewage is discharged through an outlet. An opening/closing plate for...
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WO/2020/106157A1 |
A packer (2) for use in a method for lining interior walls of a hollow structure that communicates with a pipe provided in a wall of the hollow structure is described. The packer (2) comprises rigid end parts (20a, 20b) and a flexible pa...
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WO/2020/106145A1 |
Sports field (1), comprising a base structure (10) and a cover (13), wherein the cover is at least partly permeable to fluid, especially water, wherein the cover comprises a top layer (41) and a shock absorbing layer (38A) provided betwe...
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WO/2020/098222A1 |
A sewer biogas explosion-proof system, comprising an isolation device (1) located below a manhole cover (3), and an embedded water pipe (2). The isolation device comprises a bottom plate (11) and a side plate (12), the area of the bottom...
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WO/2020/099216A1 |
Drainage systems are limited in their performance and difficult to maintain. A drainage system is therefore specified that comprises the following: at least one infiltration device (10, 40) which is designed to receive fluid; a collectin...
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WO/2020/094530A1 |
The present invention relates to a transmission system for monitoring equipment in rat traps positioned in sewers, shafts, and wells. The transmission system comprises a transmitter unit embedded in a rat trap, a wireless relay, position...
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WO/2020/090104A1 |
In a water level prediction device (1), a virtual pump well model (20) is used to learn a pump operation parameter relating to the operation of a pump, and to learn a water level change parameter indicating the relationship between the w...
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WO/2020/092445A1 |
A liquid capture tray and conservation system for capturing agricultural liquids which would otherwise be wasted and could contaminate groundwater. The liquid capture tray has a tray body and a reservoir matrix across the tray body. The ...
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WO/2020/090991A1 |
Provided is a technology for realizing detection of unidentified water without using a flowmeter. One embodiment of the present invention pertains to an unidentified water detection device having: a feature quantity extraction unit which...
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WO/2020/084887A1 |
A float type check valve 1 comprises: a cylindrical retaining member 10 that is fixed to a part in which same is to be installed in a state extending in the vertical direction; and a valve mechanism 20 that has a valve seat member 21 for...
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WO/2020/083467A1 |
The invention relates to a filter system (1) for cleaning water contaminated with solid particles and/or dissolved harmful substances, in particular surface water from runoff from roads or rooves, comprising a filter reservoir (4) having...
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WO/2020/077843A1 |
The present invention relates to the technical field of initial rainwater abandonment, and disclosed thereby are a piston-type initial rainwater abandonment device and a use method therefor. Defects such as high use cost, difficult later...
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WO/2020/077432A1 |
Methods and systems for installation of a liner inside a conduit (e.g., water pipe) to transport a fluid (e.g., potable water) to rehabilitate the conduit, in which the liner can be installed, and thus the conduit can be rehabilitated, m...
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WO/2020/070282A1 |
The application discloses a stormwater attenuation system (100) comprises a concrete construction system comprising modular unit elements (110,120) which are of pre-determined shape and are adapted to abut against each other and are conf...
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WO/2020/064535A1 |
The invention relates to a collection shaft (1), in particular for collecting waste water, wherein an insert (3) is provided in the collection shaft (1), in particular for installing pumps, wherein the insert (3) is adapted to the collec...
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WO/2020/064571A1 |
An immiscible liquids separation apparatus (50) comprising: a vessel comprising a first separation chamber (66) and second separation chamber (72) being in first fluid communication with the first separation chamber (66), the first separ...
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WO/2020/062879A1 |
Disclosed is a device for automatically removing pipeline sediments through a withdrawn water pipe (14) of a pump station. Multiple access wells (6) are arranged on a header pipe (2) of a water discharge system and are connected to the w...
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WO/2020/062878A1 |
A ductless ventilation method applicable to an underground water treatment structure, comprising the following steps: after an air supply fan (1) is turned on, outdoor fresh air enters an air supply well (11); the fresh air enters the ai...
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WO/2020/059966A1 |
An inclined multi-stage spiral underground inlet according to one aspect of the present invention may comprise: a flow unit through which water flows; a shaft for conveying the water to an underground inflow facility through the flow uni...
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WO/2020/059475A1 |
In the present invention, an infrared camera (120) is mounted on a moving body that moves in a main pipe (10) in a direction in which the main pipe extends. The infrared camera captures, from the main-pipe side, an image of a pipe lining...
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WO/2020/051697A1 |
A floor drain and method of manufacture is described. The drain assembly includes a transverse bar in the throat of the drain base. The bar supports a substantially vertical, elongated connecting member or fastener to the strainer flush ...
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WO/2020/050531A1 |
A pipe interior repair device according to the present invention comprises: multiple structure units having cavities formed therein so as to have shapes corresponding to the circumference of the inner peripheral surface of a pipe, the st...
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WO/2020/049310A1 |
There is described a sewer blockage monitoring system comprising a cluster of at least three in-sewer water level sensors, said sensors consisting of a reference sensor, an indicator sensor and a verification sensor, wherein each of the ...
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WO/2020/041829A1 |
A support structure (10) for supporting a surface area or for forming a tank comprises a deck (12) and an array of tubular studs (14, 16) extending from one side of the deck. The deck (12) defines an array of apertures (18, 20) for the t...
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WO/2020/041823A1 |
The present invention is directed broadly to a drainage channel support assembly (10) comprising a support member (12) adapted to support drainage channel (14), a pair of pegs (16a) and (16b) arranged to anchor the support member (12) to...
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WO/2020/046993A1 |
Embodiments of the invention are directed to a trench former assembly and a method of constructing a trench using the trench former assembly. Typically, the trench former assembly comprises a forming member and a corresponding retention ...
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WO/2020/043416A1 |
The invention relates to a vacuum wastewater device, comprising a basin (6) which has: a wastewater outlet; a wastewater valve (4) which has a wastewater inlet and a wastewater outlet and a control inlet for pneumatically controlling the...
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WO/2020/041989A1 |
A method and system for designing a sponge city on the basis of total rainwater control, wherein a database of a rainwater source control facility is preset, background information of a city to be designed is acquired, and design rainfal...
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WO/2020/039172A1 |
A rainwater attenuation apparatus (10) and method of rainwater attenuation are disclosed. The apparatus (10) includes a vessel (12) for containing a volume of liquid and having an inlet (16) for receiving rainwater from a rainwater colle...
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WO/2020/038982A1 |
The invention relates to a frame system (1) for a manhole covering (100), having at least one first frame element (10) and one second frame element (20) which each have at least one first connecting surface (10a; 20a) and/or at least one...
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WO/2020/035881A1 |
The present invention provides a portable and self-powered device and a system, for identification and removal of obstacles from a location, with a holder, first and second operating members and a spool, which are connected to first and ...
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WO/2020/036832A1 |
A continuous flow granular/flocculent sludge wastewater process selects for granule biomass capable of nitrogen and phosphorus removal and controls granule size and concentration of granular and flocculent sludge for optimal nutrient, or...
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WO/2020/031042A1 |
The apparatus (1) for the cleaning of road drains (7) comprises: - an automatic removal unit (11) of a manhole cover (8) of a road drain (7); - an automatic cleaning unit (12) of the road drain (7) with the manhole cover (8) removed.
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WO/2020/030023A1 |
A drainage device. The drainage device may quickly discharge infiltrated water and/or rainwater, is adapted to different construction requirements, and comprises a water permeable wall body (11). The water permeable wall body (11) compri...
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WO/2020/033626A1 |
A drain cleaning machine for moving a snake in a drain includes a rotating shell, a motor to rotate the rotating shell, and a radial drive mechanism coupled for rotation with the rotating shell and including a plurality of collets. The r...
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WO/2020/028968A1 |
A grease trap is provided. The grease trap comprises a container having an inlet opening and an outlet opening disposed in an upper portion thereof and a liner placed inside the container. The liner forms an enclosure and comprises a lin...
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WO/2020/028938A1 |
A water separating residue filtration unit has an outer container has container walls surrounding a container floor. A screen is located within the container, the screen having a screen floor supported above the container floor thereby d...
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WO/2020/024874A1 |
A magnetic suspension floor drain core, comprising a core body (1) and a sealing cover (2). A drainage channel (11) is disposed in the core body (1), a bottom portion of the core body (1) is connected to a casing (3) by means of several ...
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WO/2020/026243A1 |
Disclosed herein is a method for diverting fluid from an upstream pit in a gravity-based fluid conveyance system to a discharge site. The method includes: (i) fluidly connecting an upstream pit and a discharge site, via a pipe, partially...
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WO/2020/022888A1 |
A system for assembling a road comprises a plurality of plastic support structures and a plurality of road deck elements. Each of the support structures comprises a base plate and at least one column extending, or for extending, upwardly...
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WO/2020/022586A1 |
Provided are a rainwater filtering device and a monitoring system therefor. A rainwater filtering device, according to one embodiment of the present invention, comprises: a filtering unit having a strainer therein; a first overflow preve...
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WO/2020/022587A1 |
Provided are a rainwater runoff contaminant filtration apparatus and a monitoring system therefor. The rainwater runoff contaminant filtration apparatus, according to one embodiment of the present invention, comprises: a main body which ...
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WO/2020/023970A1 |
A disclosed corrugated end cap includes a corrugated frame having one or more corrugations defined by one or more sets of alternating peaks and valleys. The end cap also includes one or more ribs disposed in one or more of the valleys an...
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