| Patents for E03F 7 - Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools (2,571) |
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| 09/18/2013 | CN203200862U Self-closing type multifunctional floor drain |
| 09/13/2013 | DE202013007512U1 Kanalrohrinspektionsvorrichtung Sewer pipe inspection equipment |
| 09/12/2013 | DE102012004456A1 Movable apparatus e.g. tanker truck for disposing feces from toilet booth, has working reservoir with feces that are flown into fecal reservoir in accordance with gravitation force principle |
| 09/11/2013 | EP2635749A1 Localization of extraneous water in pipeline networks |
| 09/11/2013 | CN203188358U Equipment for dredging sludge of inspection well |
| 09/11/2013 | CN203188348U Anti-explosion and anti-toxin floor drain |
| 09/11/2013 | CN103290919A Device and method for fetching sand from sand sediment traps in urban streets |
| 09/11/2013 | CN103290914A Highway and road foul water sewer |
| 09/11/2013 | CN103290900A Method for preventing odor returning of floor drain, floor drain or floor drain compensation core for implementing method |
| 09/04/2013 | CN203174755U Vacuum sewage tank and fecal suction truck |
| 09/04/2013 | CN103276791A Automatic liquid discharging device using steam dead steam power and use method |
| 08/28/2013 | CN203160396U Rat-proof water pipe cover |
| 08/28/2013 | CN203160395U Water pipe cover |
| 08/21/2013 | CN203145178U Overflow-preventing air filter device special for waste water raiser |
| 08/21/2013 | CN203145175U Multifunctional seal floor drain |
| 08/14/2013 | CN203129319U Pure motor-driven vacuum truck |
| 08/14/2013 | CN203129318U Intelligent dredging vehicle for dredging sewer |
| 08/08/2013 | WO2013113648A1 System, method and use for monitoring an environmental condition in a storm drain |
| 08/08/2013 | DE102012201737A1 Rückstauventil für Abflussrohre Backwater valve for sewage pipes |
| 08/07/2013 | EP2623680A2 Backflow valve for drain pipes |
| 08/07/2013 | CN203113506U Anti-leakage device of airtight sewage suction truck |
| 08/07/2013 | CN103233505A Draining anti-backflow system for pharmaceutical factory clean area equipment |
| 08/07/2013 | CN102251561B Improved structure of floor drain |
| 07/31/2013 | EP2620562A1 System, method and use for minitoring an environmental condition in a storm drain |
| 07/31/2013 | CN203096918U Pipeline dredge silt remover |
| 07/31/2013 | CN203096917U Sewage suction device of sewage suction truck |
| 07/31/2013 | CN203096916U Guide rail guiding device of frame type sewage-sucking pipe conveying device |
| 07/31/2013 | CN203096915U Universal guide pipe device of frame type sewage-sucking pipe conveying device |
| 07/31/2013 | CN203096914U Deep-well sundry cleaning device |
| 07/31/2013 | CN203096913U Vacuum-drawing flow jetting device |
| 07/31/2013 | CN203096912U Sewer protective screening |
| 07/31/2013 | CN203096900U Insect-resistant and odor-resistant floor filler |
| 07/25/2013 | WO2013107449A1 Flood protection device |
| 07/24/2013 | EP2616600A1 Method and device for controlling a waste water network |
| 07/24/2013 | CN203080688U Novel rainwater grate |
| 07/24/2013 | CN203080687U Novel rainwater grate |
| 07/24/2013 | CN103215995A Adjustable insect-proof and anti-overflow floor drain for buildings |
| 07/18/2013 | CA2765182A1 Backwater valve |
| 07/17/2013 | CN203066227U Sewage-suction-pipe rotating swing arm of sewer dredging cleaning-vehicle |
| 07/17/2013 | CN203066226U Sewage suction truck-united pipe storage device |
| 07/17/2013 | CN203066196U Water seal floor drain |
| 07/10/2013 | CN203049775U Half-hanging type sewage suction truck |
| 07/10/2013 | CN203049765U Inspection well environment-friendly device |
| 07/10/2013 | CN203049726U Insect-prevention and dry-prevention floor drain |
| 07/10/2013 | CN203049725U Floor drain with dual deodorization effects |
| 07/10/2013 | CN103195160A Drainage pipeline plug preventing people from going down into well for inspection and using method thereof |
| 07/09/2013 | CA2584570C Sag correction system |
| 07/04/2013 | DE102011018214B4 Kanalrohrinspektionseinrichtung Sewer pipe inspection device |
| 07/03/2013 | CN203034593U Pure-electric sewage suction truck |
| 07/03/2013 | CN203034585U Sewage detection device |
| 07/03/2013 | CN203033568U Rotatable reel device of combined suction-type sewage truck |
| 07/02/2013 | CA2562459C Liquid aspirator |
| 06/26/2013 | CN203022119U Down-hole guide frame for joint sewage suction truck |
| 06/26/2013 | CN203022118U High-pressure water pipe reel guide device of combined suction-type sewer scavenger |
| 06/26/2013 | CN203022117U Sewage suction truck transmission device with power source |
| 06/26/2013 | CN203022116U Cylindrical antifouling device |
| 06/26/2013 | CN102080408B Automatically sealing floor drain |
| 06/19/2013 | CN203008117U Bucket type mosquitoproof and ratproof lock |
| 06/19/2013 | CN203008065U Straight tube type odor-resistant floor drain |
| 06/19/2013 | CN203008063U Straight tube type odor-resistant floor drain |
| 06/19/2013 | CN103161219A Inspection well sludge pipeline sucking and transporting method |
| 06/19/2013 | CN103161218A Ratproof water pipe cover |
| 06/14/2013 | DE202013002460U1 Umlenkrolle die mittels Luftzylinder zu fixieren ist. The guide pulley is to be fixed by means of air cylinders. |
| 06/13/2013 | WO2013083134A1 Safety mechanism for a pest deterrent device |
| 06/12/2013 | CN202990094U Sewer desilting device |
| 06/12/2013 | CN202990051U Odor-resistant anti-overflow sewer floor drain |
| 06/12/2013 | CN202989877U Steel gate |
| 06/12/2013 | CN103147508A Water pipe cover |
| 06/06/2013 | WO2013079587A1 Back‑pressure safeguard |
| 06/06/2013 | DE10257522B4 Tiefbauwerk zum Versickern von Niederschlagswasser sowie Verfahren zur Herstellung eines Tiefbauwerks und Vorrichtung zur Durchführung des Verfahrens Deep Structure for seepage of rainwater and methods for producing a low structure and apparatus for performing the method |
| 06/06/2013 | CA2857612A1 Backflow prevention device |
| 06/05/2013 | EP2600047A1 Pipeline regeneration pipe |
| 06/05/2013 | CN202969568U City pipe network sludge drawing treatment vehicle |
| 06/05/2013 | CN202969485U Novel falling water fitting |
| 06/05/2013 | CN103132596A Motor control electronic device |
| 05/22/2013 | CN202945685U Sediment absorption vehicle and sediment absorption pipe deployment system thereof |
| 05/15/2013 | CN202936882U Bypass dredging device for steel slag thermal sealed tank |
| 05/08/2013 | CN103088905A Rain sewage buoyancy cut-off device |
| 05/08/2013 | CN103088904A Novel storm sewage buoyancy cut-off device |
| 05/08/2013 | CN103088903A Novel sand sediment well |
| 05/02/2013 | WO2013063107A1 Quick-dry filter dewatering mobile process and apparatus |
| 05/01/2013 | CN202915979U Warning device of suction sewage truck |
| 05/01/2013 | CN202913507U Discharging device of suction sewage truck |
| 05/01/2013 | CN202913506U Underground sewage disposal pipeline cleaner of building |
| 05/01/2013 | CN103074935A Full electric suction-type sewer scavenger |
| 05/01/2013 | CN102127929B Rainwater well grid cleaning device |
| 04/24/2013 | CN202899291U Sewage dirt vacuum pump drainage separating device |
| 04/24/2013 | CN202899290U Sewage dirt pump drainage separating device |
| 04/24/2013 | CN202899250U Sewage pipe plugging device |
| 04/24/2013 | CN202893538U Vacuum sewerage system and cyclone separator thereof |
| 04/24/2013 | CN103061406A Load upper limit warning device of suction sewage truck |
| 04/24/2013 | CN103061388A Six-prevention sewer water drainage system and replaceable six-prevention combined floor drain thereof |
| 04/17/2013 | CN202882108U Non-cable type sewage channel automatic clearing and delivering device |
| 04/17/2013 | CN202882107U Power transmission device of suction-type sewer scavenger |
| 04/17/2013 | CN103046621A Pipeline deodorizing device |
| 04/10/2013 | CN202865988U Dredging trolley used in iron and steel enterprise |
| 04/10/2013 | CN202865976U Intelligent multifunctional comprehensive sewer |
| 04/10/2013 | CN202865952U Self-sealing floor drain |
| 04/04/2013 | WO2013044320A1 Apparatus, device and method for waste treatment |
| 04/03/2013 | CN103015523A Treatment vehicle and treating method for sucking sludge in city pipe network |