| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| GBGB9520387.3AGB9520387D0 (en) | 1995-10-06 | 1995-10-06 | Debris monitoring system and apparatus | 
| Publication Number | Publication Date | 
|---|---|
| GB9620635D0true GB9620635D0 (en) | 1996-11-20 | 
| GB2305989A GB2305989A (en) | 1997-04-23 | 
| GB2305989B GB2305989B (en) | 1999-09-29 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| GBGB9520387.3APendingGB9520387D0 (en) | 1995-10-06 | 1995-10-06 | Debris monitoring system and apparatus | 
| GB9620635AExpired - LifetimeGB2305989B (en) | 1995-10-06 | 1996-10-03 | Pipeline condition monitoring system and apparatus | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| GBGB9520387.3APendingGB9520387D0 (en) | 1995-10-06 | 1995-10-06 | Debris monitoring system and apparatus | 
| Country | Link | 
|---|---|
| GB (2) | GB9520387D0 (en) | 
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| CN119794009A (en)* | 2025-02-13 | 2025-04-11 | 国家石油天然气管网集团有限公司 | A pipe cleaning system | 
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| CN113000511B (en)* | 2021-05-07 | 2025-07-25 | 中国石油天然气股份有限公司西南油气田分公司重庆气矿 | Application method of natural gas pipeline cleaning device | 
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| Publication number | Priority date | Publication date | Assignee | Title | 
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| CN119794009A (en)* | 2025-02-13 | 2025-04-11 | 国家石油天然气管网集团有限公司 | A pipe cleaning system | 
| Publication number | Publication date | 
|---|---|
| GB2305989B (en) | 1999-09-29 | 
| GB2305989A (en) | 1997-04-23 | 
| GB9520387D0 (en) | 1995-12-06 | 
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| Date | Code | Title | Description | 
|---|---|---|---|
| PE20 | Patent expired after termination of 20 years | Expiry date:20161002 |