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Patent Searching and Data


Matches 151 - 200 out of 20,429

Document Document Title
WO/2023/057662A1
The present invention relates to sealing means for irrigation pipes, an irrigation system and an irrigation method, wherein said pipes (A) comprise a hole (B) located on the cylindrical surface thereof and the sealing means are formed by...  
WO/2023/060013A1
Embodiments disclosed herein are directed to systems and methods for locating an anomaly along an inside surface of a conveyance pipe containing two mediums separated by a two medium interface. The systems and methods include an assembly...  
WO/2023/048304A1
The present invention relates to an elasto-plastic pipe support device comprising: a cylindrical housing; a first cover part and a second cover part for blocking opposite end openings of the housing, respectively; an elasto-plastic coil,...  
WO/2023/049194A1
A valve gate may include a threaded rod, a nut engaged with the threaded rod, a movable body mounted on the threaded rod, a seal, a pair of levers, and first and second housing components that at least partially enclose the other compone...  
WO/2023/047321A1
Non-destructive in situ rehabilitation process of damaged and/or worn pipes ( relining rehabilitation pipe) with tubular sleeves or sheaths, impregnated with photoactivable hardening resins by UV actinic light irradiation with emission c...  
WO/2023/046808A1
Device (10, 100) for sealing a leak in a pipe or reservoir wall (70) having an opening (80), comprising an elastomer plate (40) applied to the wall at the site of the opening, a force applicator (12, 14, 16, 50) and a force distributor (...  
WO/2023/047128A1
It is known to deploy robots within pipes in order to carry out investigations for damage, and potentially effect repairs. Such robots may be self-propelled, but in some applications they are controlled via a connected line, conveying el...  
WO/2023/046219A1
The invention relates to a method for regulating the flow of cement mixture between a pump (3) of the cement mixture and the place of consumption of the cement mixture, in which the cement mixture is transported from the pump (3) to the ...  
WO/2023/046832A1
The invention relates to an insert piece (10) for inserting into a channel section (52) of an angled piece (50) for fluidically connecting fluid lines. The insert piece (10) has a mounting (12) for placing on the channel section (52) and...  
WO/2023/041561A1
The invention relates to a device (1) for sewage pipe work, comprising: - a base unit (2), which can be moved in a sewage pipe; - a rotary head (3), which is disposed on the base unit (2) and can be rotated about an axis of rotation (A) ...  
WO/2023/040104A1
A pipeline foreign matter detection device and detection method. The pipeline foreign matter detection device comprises: a detection cart (1); a control member (4), the control member being located in the detection cart; a robotic arm (2...  
WO/2023/040011A1
A pipeline (10) structure fault diagnosis apparatus, and a diagnosis method, which belong to the technical field of natural gas pipeline (10) safety, and aim to fill the gap in the prior art of the lack of apparatuses for implementing pi...  
WO/2023/041156A1
The present invention provides a method for cured-in-place pipe rehabilitation of a sewer line or a pipe line (10) in which a liner (34) is impregnated with a resin, the liner (34) is applied to the inside of the sewer pipe or pipe line ...  
WO/2023/043791A1
A flexible pipe having one way fluidic flow valves containing a working fluid that generates one way fluid flow to power a generator. Preferably the pipe is buoyant or otherwise flexed by motion of any supporting or surrounding liquid, s...  
WO/2023/040032A1
An integrated operation apparatus for pipeline inspection and repair, the apparatus relating to the technical field of pipeline inspection and repair. By means of the apparatus, the existing problems of pipeline inspection and repair bei...  
WO/2023/041917A1
A method of manufacturing a vent for a pipeline liner comprises overmoulding a porous element in a polymer body. This produces a vent in which the element extends across, and is in fluid communication with, a through-passage formed in th...  
WO/2023/040291A1
A sealing method for a refrigeration pipeline, and a refrigeration pipeline. The sealing method for a refrigeration pipeline comprises: S602: covering a butt joint of a first pipeline (110) with a sealing device (130), wherein the sealin...  
WO/2023/037730A1
The present invention addresses the problem of providing a joint with a built-in filter which allows replacement of the filter without requiring removal of the joint from piping, thereby facilitating the replacement of the filter. This j...  
WO/2023/038409A1
Disclosed are a branch tee, for sprinkler pipes, automatically controlling a water stream and a sprinkler pipe system including same. The branch tee for sprinkler pipes comprises: a branch tee body; an inlet formed on a sidewall of the b...  
WO/2023/034692A1
A shell assembly (100) for protecting a portion of a pipeline (106) from an impact, the shell assembly comprising: two half cylinders (102), each half cylinder comprising: a pipe cover shell (126) sized to conform to an outer surface of ...  
WO/2023/032618A1
The present invention effectively dampens wide-band sounds although the structure of a ventilation path silencer is compact. This ventilation path silencer is provided with a housing, and dampens sounds in a ventilation path, the inter...  
WO/2023/029365A1
Provided are an anti-blocking device, a concrete conveying pipe, a concrete pump truck, and an anti-blocking control method. The anti-blocking device comprises: a vibration device (100) and a pressure measurement device (600); the vibrat...  
WO/2023/033812A1
Provided is a patch for a fluid line, a system employing a fluid line, and a method for sealing a fluid line. The fluid line, in one aspect, includes a tubular, and a sleeve of expandable metal positioned about the tubular, the sleeve of...  
WO/2023/026108A1
An air release valve installation (10) for a water supply pipeline (4) comprises an air release valve (12) and a resilient seated isolating gate valve (14). The isolating valve (14) is mounted to an upper end of a stand pipe (8) and the ...  
WO/2023/023689A1
A pipeline pigging system including: a pipeline used for material transportation, wherein the pipeline includes a rubber lining; at least one pigging device, arranged to be introduced into the pipeline at a first end of the pipeline, and...  
WO/2023/023694A1
A pipe perforation system enables a junction to be formed in a pressurised pipe without the need to depressurise or stop liquid or gas flow in the pipe. The system includes: a drive shaft having a distal end and a driven end; a hole cutt...  
WO/2023/023799A1
A system for repairing High-density Polyethylene (HDPE) pipe enables the repair of HDPE pipe across a wide range of pipe wall thicknesses, defect types and defect lengths, and which system is capable of being implemented in situ with min...  
WO/2023/025762A1
The invention relates to a method for determining peaking of a pipeline, wherein measurement values of the internal geometry of the pipe are recorded adjacent to a searched point P of the peak, wherein the measurement of meaningful measu...  
WO/2023/027385A1
Disclosed is a strainer having a non-powered cleaning function. The present invention enables filtration of foreign substances from fluid by disposing a cylindrical filter mesh inside a main body of the strainer, such that the fluid from...  
WO/2023/028361A1
An adaptor for engagement to an air duct. The adaptor includes a back portion with an aperture within the back portion, a bellow adjacent the back portion with an opening positioned in a corresponding relationship with the aperture of th...  
WO/2023/027426A1
Disclosed is a leak detection apparatus. A leak detection apparatus according to one embodiment comprises: a clamp member which attaches to the connecting part of pipes; a color-change member which encircles at least a portion of the out...  
WO/2023/025368A1
A method for determining peaking in a pipeline involves measured values relating to the pipe internal geometry being recorded in proximity to a sought point P of the peaking, at which in particular a weld seam that is present there means...  
WO/2023/021281A1
A valve cartridge (11) for a live insertion valve (10) for a pipe (102) is provided, the valve cartridge (11) comprising a valve member (14), wherein the valve cartridge (11) is configured such that, in use, the valve member (14) is move...  
WO/2023/022008A1
Provided is a compact coupling device. This coupling device has a first joint 3 and a second joint 4. In the second joint 4, a sub valve chamber 27 and a main valve chamber 28 are formed so as to be continuous in the vertical direction. ...  
WO/2023/017851A1
This method for renovating a pipe includes: a step (I) for preparing a resin composition; a step (II) for impregnating a fiber base material (F) with the resin composition to obtain a resin composition-impregnated base material; a step (...  
WO/2023/018520A1
Fluid flow control devices, systems, and methods may include a body extending along a longitudinal axis. The body has a fluid inlet at a first axial end of the body and a fluid outlet at a second axial end of the body. Channels may exten...  
WO/2023/016452A1
A dust cap and a stop valve having same. The dust cap is sleeved on the top of a valve body (10) of a stop valve, and the dust cap comprises a cylinder body (20); and a top plate (30), the top plate (30) covering one end of the cylinder ...  
WO/2023/014757A1
A method (10) of tube plug installation in a heat exchanger or pressure vessel is provided. The method (10) includes verifying (12, 14, 16, 18, 20) the suitability of a selected tube plug with a specifically identified type of heat excha...  
WO/2023/014986A1
A first slurry can be applied over a surface of an existing pipe to form a first layer. The first slurry can comprise a powder, a binder, and a solvent. The powder can comprise a metal. At least some of the powder in the first layer can ...  
WO/2023/010169A1
Automated gas or liquid break-through detection and reinjection systems are disclosed. The reinjection systems are for reinjecting gas from an underground water pipeline into an associated gas pipeline, or reinjecting water from an under...  
WO/2023/006122A1
A non-excavation repair device for a multi-turn inverted siphon (2), the device comprising the inverted siphon (2) arranged on a lower side of a river channel (1), wherein two inspection wells (14) are symmetrically formed in two sides o...  
WO/2023/007171A1
A self-propelling pipe maintenance device and method of maintaining a pipe. The device comprising: two gripping elements separated by a propelling element. The two gripping elements each comprise a radially expandable body configured whe...  
WO/2023/004462A1
The test cap (100) comprises a body (30) releasably attachable to pipework, the body (30) having a chamber (1a) capable of being in fluid communication with pipework when test cap (100) is attached to the pipework, and a pressure-sensiti...  
WO/2023/000024A1
Transferring liquid hydrogen between an onshore source and an offshore terminal without a jetty using concentric pipe-in-pipe system extending between source and terminal. A second pipe carries liquid hydrogen subsea and is housed in a f...  
WO/2023/001554A1
The present invention relates to a segment (16) for a sensor-carrier body (14) of a pig (10) for inspecting a pipeline (12), characterized in that the segment (16) has a supporting structure (18), on which at least one bar (20) with at l...  
WO/2023/286935A1
The present invention relates to a structure pipe thawing system using hot water and, specifically, to a structure pipe thawing system using hot water that can quickly and efficiently thaw a frozen pipe portion by using hot water even wh...  
WO/2023/286567A1
A water leak repair fitting 1 has: a plurality of metal bands 3 provided so as to be spaced apart from each other in the pipe circumferential direction CD of a fluid pipe 2; a water-stop sheet 5 which is provided to an inner peripheral s...  
WO/2023/282430A1
Disclosed is a leak detection device. The leak detection device according to an embodiment of the present invention is characterized by comprising: a coupling surface coupled to a fitting that connects pipes for transporting a fluid and ...  
WO/2023/275596A1
A device for capturing and removing dirt particles (10) provides a main body (11) provided with an inlet (12), an outlet (13) and a main chamber (14) obtained inside the main body in a path of a heat transfer fluid between the inlet (12)...  
WO/2023/277338A1
A joint pipe according to an embodiment of the present specification comprises: a transparent joint pipe body including a plurality of pipe accommodation portions in which pipes are inserted and a connecting portion for connecting the pl...  

Matches 151 - 200 out of 20,429