CN105672417B - Build a building water-saving system - Google Patents
Build a building water-saving system Download PDFInfo
- Publication number
- CN105672417B CN105672417B CN201610172300.7A CN201610172300A CN105672417B CN 105672417 B CN105672417 B CN 105672417B CN 201610172300 A CN201610172300 A CN 201610172300A CN 105672417 B CN105672417 B CN 105672417B
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- reclaimed
- drainpipe
- collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/122—Pipe-line systems for waste water in building
- E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/045—Greywater supply systems using household water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
- E03B2001/047—Greywater supply systems using rainwater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/30—Relating to industrial water supply, e.g. used for cooling
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The water-saving system that builds a building belongs to the technical field of water-saving system, including with drainage facility drainpipe, reclaimed water water inlet pipe, middle water collection pipe, rainwater collection collector, reclaimed water drainpipe, reclaimed water outlet valve, reclaimed water overflow pipe etc., described middle water collection pipe is on building a building, and in the preset middle water collection pipe water in-out port of each floor, reclaimed water drainpipe, reclaimed water water inlet pipe is respectively turned on middle water collection pipe water in-out port, reclaimed water drainpipe connects toilet seat water tank, first check-valve is set on the reclaimed water water inlet pipe, connected with drainage facility drainpipe and branch drain is set, the branch drain is connected with blow-off pipe, described reclaimed water overflow pipe and middle water collection pipe, blow-off pipe communicates.The present invention uses water collection pipe in floor through type, and without installing waste water container in each floor, quantities is small, occupy little space, reclaimed water will not occur and blow back into drainage facility, reclaimed water is substituted into running water is used for water closet bath, greatly save water resource, it will bring tremendous contribution to the mankind.
Description
Technical field
The invention belongs to the technical field of water-saving system, and in particular to build a building water-saving system.
Background technology
In daily life, our water wrings tap, water just continuously flow out, may a bit also imperceptible water
Crisis.But the in fact, positive worsening shortages of water resource that we depend on for existence.At present, the whole world also has more than 1,000,000,000 populations use
The water of not upper cleaning, the mankind have about 3,100,000 people ill and dead because drinking impure water every year.The global water resource of facing mankind
Scarcity, the 47th United Nations General Assembly determine that annual March 22 is World Water Day.Count according to investigations, China city（Town）Resident people
The use of water closet amount of flush water is about daily 30~50L, by the calculating of 7.5 hundred million populations, the tap water that China is lost daily
Amount just has as many as 30,000,000 tons（The moisture storage capacity of the West Lake is 14,000,000 tons）.Wherein also do not have begun to make including part people in the countryside
The running water water consumed with water closet.Therefore, the water-saving system that builds a building is an Important Project.In the prior art,
It is that waste water container is installed in each floor, quantities is big, and space-consuming is big, is unable to undergo time test, and leak occurs regularly and shows
As maintenance cost is high, and can not get over layer and utilize reclaimed water.
The content of the invention
For problems of the prior art, it is an object of the invention to design offer to build a building water-saving system.
Build a building water-saving system, including running water pipe, with drainage facility, with drainage facility drainpipe, reclaimed water water inlet pipe, reclaimed water
Collecting pipe, reclaimed water drainpipe, reclaimed water outlet valve, reclaimed water overflow pipe, blow-off pipe etc., it is characterised in that described middle water collection pipe peace
Received on building a building, and in the preset middle water collection pipe water in-out port of each floor, reclaimed water drainpipe, reclaimed water water inlet pipe and reclaimed water
Collector water in-out port is respectively turned on, reclaimed water drainpipe connection toilet seat water tank, and first check-valve is set on the reclaimed water water inlet pipe,
Connected with drainage facility drainpipe and branch drain is set, the branch drain is connected with blow-off pipe, described reclaimed water overflow pipe and reclaimed water
Collecting pipe, blow-off pipe communicate.
The described water-saving system that builds a building, it is characterised in that the A connections by the road of middle water collection pipe set rainwater collection collector,
And the 3rd check-valves is set on pipeline A.
The described water-saving system that builds a building, it is characterised in that collection rain slope is set on building roof, the collection rain slope with
Connected at the top of middle water collection pipe.
The described water-saving system that builds a building, it is characterised in that collection rain slope is set on building roof, the collection rain slope with
Rainwater-collecting tube top portion connects.
The described water-saving system that builds a building, it is characterised in that running water pipe connection sets running water branch pipe, the running water
Branch pipe is connected with toilet seat water tank, and second check-valve, ball-cock assembly are set on the running water branch pipe.
The described water-saving system that builds a building, it is characterised in that the connection of middle water collection pipe bottom set reclaimed water drainpipe A, in
Water drainpipe B, reclaimed water drainpipe A, reclaimed water drainpipe B communicate with blow-off pipe, and set the first valve on reclaimed water drainpipe A
Door, first pressure valve is set on reclaimed water drainpipe B.
The described water-saving system that builds a building, it is characterised in that the 3rd valve is set on pipeline A, and rainwater-collecting bottom of the tube connects
Connecing and rainwater drainage pipe A, rainwater drainage pipe B are set, rainwater drainage pipe A, rainwater drainage pipe B communicate with blow-off pipe, and in rainwater
Second valve is set on drainpipe A, second pressure valve is set on rainwater drainage pipe B.
The described water-saving system that builds a building, it is characterised in that at the top of rainwater-collecting tube top portion and middle water collection pipe by the road
B is connected, and the 4th check-valves is set on pipeline B.
The described water-saving system that builds a building, it is characterised in that the caliber of the middle water collection pipe is more than reclaimed water water inlet pipe
Caliber, rainwater collection collector caliber are more than the caliber of middle water collection pipe.
The described water-saving system that builds a building, it is characterised in that branch drain is arranged on above reclaimed water water inlet pipe.
Structure of the present invention is novel, reasonable in design, easy to use, using water collection pipe in floor through type, without in each building
Layer installation waste water container, quantities is small, occupies little space, and reclaimed water will not occur and blow back into drainage facility, reclaimed water is substituted originally
Water is washed by water for water closet, greatlys save water resource, it will bring tremendous contribution to the mankind.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is another structural representation of the present invention；
In figure：1- running water pipes, 2- drainage facilities, 3- drainage facility drainpipes, 4- reclaimed water water inlet pipes, the non-returns of 5- first
Valve, 6- branch drains, water collection pipe in 7-, 8- reclaimed water drainpipes, 9- running water branch pipes, 10- second check-valves, 11- toilet seats
Water tank, 12- ball-cock assemblys, 13- reclaimed water outlet valves, 14- overflow pipes, 15- blow-off pipes, 16- cesspools, 17- first pressure valves, 18-
First valve, 19- second pressure valves, the valves of 20- second, the check-valves of 21- pipelines A, 22- the 3rd, the valves of 23- the 3rd, 24- buildings
Roof, 25- collection rain slope, 26- pipelines C, 27- rainwater collection collector, the check-valves of 28- the 4th, 29- pipelines B, 30- reclaimed water drainpipe
A, 31- reclaimed water drainpipe B, 32- rainwater drainage pipe A, 33- rainwater drainage pipe B.
Embodiment
The present invention is further illustrated below in conjunction with Figure of description.
As shown in the figure by taking second floor as an example, the water-saving system that builds a building includes running water pipe 1, arranged with drainage facility 2, with drainage facility
Water pipe 3, reclaimed water water inlet pipe 4, middle water collection pipe 7, reclaimed water drainpipe 8, reclaimed water outlet valve 13, reclaimed water overflow pipe 14, blow-off pipe 15
On being arranged on and build a building Deng, described middle water collection pipe 7, and in the preset middle water in-out port of water collection pipe 7 of each floor, reclaimed water row
Water pipe 8, reclaimed water water inlet pipe 4 and the middle water in-out port of water collection pipe 7 are respectively turned on, and reclaimed water drainpipe 8 connects toilet seat water tank 11, in
Reclaimed water outlet valve 13 is installed on water drainpipe 8, first check-valve 5 is set on the reclaimed water water inlet pipe 4.When user does not have to reclaimed water
When can close reclaimed water outlet valve 13, and first check-valve 5 can prevent middle aqueous reflux from entering to use drainage facility 2.
Branch drain 6 is connected with drainage facility drainpipe 3, the branch drain 6 is connected with blow-off pipe 15, in middle water collection pipe 7
Water level with through reclaimed water water inlet pipe 4, first check-valve 5 inflow reclaimed water and by the road A21, pipeline B29 flow into rainwater with
And in being discharged through reclaimed water drainpipe 8, the reclaimed water of the discharge of reclaimed water outlet valve 13 and through reclaimed water drainpipe A30, reclaimed water drainpipe B31
The change of the water of water and change, that is to say, that the water level in middle water collection pipe 7 is continually changing.
When water level in central water collection pipe 7 is higher than reclaimed water water inlet pipe 4, it cannot pass through reclaimed water with the draining of drainage facility 2 and enter
Water pipe 4, first check-valve 5 are discharged into middle water collection pipe 7, and at this moment draining is flowed into blow-off pipe 15 through branch drain 6；When reclaimed water is received
When water level in collector 7 is less than reclaimed water water inlet pipe 4, in being flowed into the draining of drainage facility 2 through reclaimed water water inlet pipe 4, first check-valve 5
In water collection pipe 7；When water level in central water collection pipe 7 is higher than reclaimed water drainpipe 8, ball-cock assembly 12 is closed automatically, and reclaimed water is collected
Reclaimed water in pipe 7 replaces running water to be flowed into through reclaimed water drainpipe 8, reclaimed water outlet valve 13 in toilet flush 11, plays water saving
Effect；When water level in central water collection pipe 7 is less than reclaimed water drainpipe 8, ball-cock assembly 12 automatically opens up, and running water is through running water
Branch pipe 9, second check-valve 10, ball-cock assembly 12 enter in toilet flush 11, at this moment do not economize on water.
Described reclaimed water overflow pipe 14 communicates with middle water collection pipe 7, blow-off pipe 15.This is for the water of middle water collection pipe 7
Reach top when without overflowing, and alleviate in the hydraulic pressure of water collection pipe 7 measure.Connect and set in the middle bottom of water collection pipe 7
Reclaimed water drainpipe A30, reclaimed water drainpipe B31, reclaimed water drainpipe A30, reclaimed water drainpipe B31 communicate with blow-off pipe 15, and
First valve 18 is set on reclaimed water drainpipe A30, first pressure valve 17 is set on reclaimed water drainpipe B31.Central water collection pipe 7
, can also be by way of opening the first valve 18, by the middle water collection pipe 7 of overlong time when filling water for a long time
Reclaimed water is discharged, and the impurity that the bottom of water collection pipe 7 remains in cleaning in passing, should now be closed the 3rd valve 23；When overflow pipe 14
Block, the water of middle water collection pipe 7 is not used again, but is surged and shape with drainage facility 2 or constantly to middle water collection pipe 7
During into high pressure, in order to avoid the destruction of the grade pipeline of centering water collection pipe 7 or the check-valves or valve of correlation, so devising in reclaimed water
First pressure valve 17 is set on drainpipe B31, i.e. the excessive first pressure valve 17 that can automatically turn on of pressure discharges water, so as to protect phase
Close pipeline and valve part etc..
Being connected in running water pipe 1 and running water branch pipe 9 is set, the running water branch pipe 9 is connected with the water tank of toilet seat 11, and at this
Second check-valve 10, ball-cock assembly 12 are set on running water branch pipe 9.It is insufficient without using the family of reclaimed water, or middle water
When, it is possible to achieve this structure function, i.e., when closing reclaimed water outlet valve 13 or toilet seat water tank 11 without reclaimed water deposit, ball-cock assembly
12 will automatically turn on and be supplied water for toilet seat 11, embody humanization design concept.On building roof 24, collection rain slope 25 is set, should
Collect rain slope 25 to connect with the middle top of water collection pipe 7, can directly collect rainwater during the rainy day uses as reclaimed water, rainwater relatively in
Water also can relative clean, while the reclaimed water in middle water pipe can also be done to simple neutralization, ensure relative clean, allow the water-saving system
It is more perfect.
In area of heavy rainfull, in order to preferably utilize rainwater, A21 can also connect setting rain to middle water collection pipe 7 by the road
Water collection pipe 27, and the 3rd check-valves 22 is set on pipeline A21, the 3rd check-valves 22 makes the water of rainwater collection collector 27 can only
Flow and can not flow backwards toward middle water collection pipe 7.Now, collecting rain slope 25 should first connect with the top of rainwater collection collector 27.In pipeline
3rd valve 23 is set on A21, and the connection of the bottom of rainwater collection collector 27 sets rainwater drainage pipe A32, rainwater drainage pipe B33, the rain
Water drainpipe A32, rainwater drainage pipe B33 are communicated with blow-off pipe 15, and the second valve 20 is set on rainwater drainage pipe A32,
Second pressure valve 19 is set on rainwater drainage pipe B33.When rainwater collection collector 27 to be cleaned, opening the second valve 20 can discharge water
Clean rainwater collection collector 27.B29 is connected at the top of rainwater collection collector 27 by the road with the middle top of water collection pipe 7, and on pipeline B29
4th check-valves 28 is set, when the dilutional hyponatremia of rainwater collection collector 27, water can be flowed into by reclaimed water by the 4th check-valves 28 and received
Collector 7, when the 4th check-valves 28 or overflow pipe 14 block, rainwater is endlessly added to rainwater collection collector 27 and formed high again
During pressure, second pressure valve 19 may turn on such as first pressure valve identical function, for protecting associated pipe and other equipment to set
Apply.
The caliber of the other middle water collection pipe 7 should be greater than the caliber of reclaimed water water inlet pipe 4, the caliber of rainwater collection collector 27
The caliber of middle water collection pipe 7 should be greater than, middle water collection pipe 7 or rainwater collection collector 27 pass through pipeline C26 with collection rain slope 25
Connection.Water in rainwater collection collector 27 can also be used for greening, sprinkling truck, carwash, emergent fire demand water, and valve is installed in respective storey
Behind the door, it may also be used for cleaning corridor, stair etc.., can be suitably in middle water collection pipe of course for that relatively sanitary can clean
Interior some disinfection deodorizers of addition.
Claims (8)
1. build a building water-saving system, including running water pipe（1）, use drainage facility（2）, with drainage facility drainpipe（3）, reclaimed water water inlet
Pipe（4）, middle water collection pipe（7）, reclaimed water drainpipe（8）, reclaimed water outlet valve（13）, reclaimed water overflow pipe（14）, blow-off pipe（15）, its
It is characterised by described middle water collection pipe（7）On building a building, and in the preset middle water collection pipe of each floor（7）Delivery port
And water inlet, reclaimed water drainpipe（8）With middle water collection pipe（7）Delivery port is connected, reclaimed water water inlet pipe（4）With middle water collection pipe（7）
Water inlet is connected, reclaimed water drainpipe（8）Connect toilet seat water tank（11）, the reclaimed water water inlet pipe（4）Upper setting first check-valve
（5）, with drainage facility drainpipe（3）Connect branch drain（6）With reclaimed water water inlet pipe（4）Water inlet end, the branch drain（6）With blowdown
Pipe（15）Connect, described reclaimed water overflow pipe（14）With middle water collection pipe（7）, blow-off pipe（15）Communicate, branch drain（6）Set
In reclaimed water water inlet pipe（4）Top, middle water collection pipe（7）Bottom connection sets reclaimed water drainpipe A（30）, reclaimed water drainpipe B（31）,
Reclaimed water drainpipe A（30）, reclaimed water drainpipe B（31）With blow-off pipe（15）Communicate, and in reclaimed water drainpipe A（30）It is upper to set the
One valve（18）, in reclaimed water drainpipe B（31）Upper setting first pressure valve（17）.
2. the water-saving system as claimed in claim 1 that builds a building, it is characterised in that middle water collection pipe（7）A by the road（21）Even
Logical rainwater collection collector（27）, and in pipeline A（21）The 3rd check-valves of upper setting（22）.
3. the water-saving system as claimed in claim 1 that builds a building, it is characterised in that on building roof（24）Collection rain slope is set
（25）, the collection rain slope（25）With middle water collection pipe（7）Top is connected.
4. the water-saving system as claimed in claim 2 that builds a building, it is characterised in that on building roof（24）Collection rain slope is set
（25）, the collection rain slope（25）With rainwater collection collector（27）Top is connected.
5. the water-saving system that builds a building as described in Claims 1-4 is any, it is characterised in that running water pipe（1）Connection is set
Running water branch pipe（9）, the running water branch pipe（9）With toilet seat water tank（11）Connect, and in the running water branch pipe（9）It is upper to set the
Two check-valves（10）, ball-cock assembly（12）.
6. the water-saving system that builds a building as described in claim 2 or 4, it is characterised in that pipeline A（21）The 3rd valve of upper setting
（23）, rainwater collection collector（27）Bottom connection sets rainwater drainage pipe A（32）, rainwater drainage pipe B（33）, rainwater drainage pipe A
（32）, rainwater drainage pipe B（33）With blow-off pipe（15）Communicate, and in rainwater drainage pipe A（32）The second valve of upper setting（20）,
Rainwater drainage pipe B（33）Upper setting second pressure valve（19）.
7. the water-saving system that builds a building as described in claim 2 or 4, it is characterised in that rainwater collection collector（27）Top and reclaimed water
Collecting pipe（7）Top B by the road（29）Connect, and in pipeline B（29）The 4th check-valves of upper setting（28）.
8. the water-saving system that builds a building as described in claim 2 or 4, it is characterised in that the middle water collection pipe（7）Caliber
More than reclaimed water water inlet pipe（4）Caliber, rainwater collection collector（27）Caliber is more than middle water collection pipe（7）Caliber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172300.7A CN105672417B (en) | 2016-03-24 | 2016-03-24 | Build a building water-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172300.7A CN105672417B (en) | 2016-03-24 | 2016-03-24 | Build a building water-saving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105672417A CN105672417A (en) | 2016-06-15 |
| CN105672417B true CN105672417B (en) | 2018-02-06 |
Family
ID=56215424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610172300.7A Active CN105672417B (en) | 2016-03-24 | 2016-03-24 | Build a building water-saving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105672417B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205617497U (en) * | 2016-03-24 | 2016-10-05 | 黄芷琪 | Building building water saving system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19522433A1 (en) * | 1995-06-21 | 1997-01-02 | Kresse Reiner | Combined domestic waste water and organic refuse treatment system |
| CN1884728A (en) * | 2005-06-25 | 2006-12-27 | 袁小虎 | Low grade water supply system |
| CN2846516Y (en) * | 2005-11-18 | 2006-12-13 | 上海市向明中学 | Rain water using device |
| CN101349066B (en) * | 2008-07-21 | 2010-08-04 | 山东科技大学 | Roofing rainwater utilizing apparatus without energy consumption |
| CN201801908U (en) * | 2010-08-17 | 2011-04-20 | 俞天阳 | Rainwater utilization system |
| CN202081453U (en) * | 2011-06-02 | 2011-12-21 | 北京联合大学 | Rain water recovering and diverting device |
| CN103195142A (en) * | 2013-04-23 | 2013-07-10 | 张中伟 | Water saving system for bathroom of whole building |
| CN205617497U (en) * | 2016-03-24 | 2016-10-05 | 黄芷琪 | Building building water saving system |
-
2016
- 2016-03-24 CN CN201610172300.7A patent/CN105672417B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105672417A (en) | 2016-06-15 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171227 Address after: Tap water company dormitory political road Lingxi County of Wenzhou City, Zhejiang province Cangnan 325800 Building 1 Room 501 Applicant after: Guan Xiaofeng Address before: Hangzhou City, Zhejiang province 310000 No. 6 Jianggan District street, Landsea international block 2 Park Building 2 unit 804 room Applicant before: Huang Zhiqi |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200813 Address after: 325800 dormitory of water supply company, Zhengfa Road, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province Patentee after: Chen Sizhe Address before: Tap water company dormitory political road Lingxi County of Wenzhou City, Zhejiang province Cangnan 325800 Building 1 Room 501 Patentee before: Guan Xiaofeng |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220610 Address after: 325800 Room 501, building 1, water supply company dormitory, Zhengfa Road, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province Patentee after: Cangnan Lianyi water saving Engineering Co.,Ltd. Address before: 325800 dormitory of water supply company, Zhengfa Road, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province Patentee before: Chen Sizhe |