| Patents for E04F 17 - Vertical ducts; Channels, e.g. for drainage (3,992) |
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| 02/11/2014 | US8646223 Concrete building wall having cast-in-place window wells |
| 02/06/2014 | DE202013009857U1 Dämmelement für Leitungselement für Lüftungsleitungen und damit gedämmtes Leitungselement Insulating element for line element for ventilation ducts and thus insulated line element |
| 02/05/2014 | CN203420491U Environment-friendly building system |
| 02/05/2014 | CN103557572A External wall air duct structure and construction method thereof |
| 02/05/2014 | CN103556806A Roof negative pressure vent structure |
| 02/05/2014 | CN103556747A Fireproof blocking construction technology for cable shaft |
| 02/04/2014 | US8641494 Ventilation device and frame system |
| 01/30/2014 | WO2014015376A1 A duct |
| 01/29/2014 | CN203412258U Pipe well wall for pipe positioning of subsidiary solar water heater pipeline |
| 01/29/2014 | CN203412257U Three-way device of smoke discharge pipeline |
| 01/29/2014 | CN203412256U Exhaust pipe drain structure |
| 01/29/2014 | CN203412050U Building connecting piece |
| 01/28/2014 | US8635821 Safety line anchor securable to roof drain |
| 01/22/2014 | CN203403651U Decorative corner panel for indoor drainpipe |
| 01/22/2014 | CN203403650U Improved semi-prefabricated subway station rail top wind channel |
| 01/22/2014 | CN203403649U Positive pressure air-supply outlet building component |
| 01/22/2014 | CN102900128B System and method for conveying organic waste |
| 01/22/2014 | CN102232048B Post for a shaft scaffold of an elevator system |
| 01/21/2014 | US8631614 Roofing product with integrated photovoltaic elements and flashing system |
| 01/16/2014 | US20140013687 Wall for separating the inside of a building from the outside |
| 01/15/2014 | CN203393983U Novel decorative profile for decorating and packaging water pipe |
| 01/15/2014 | CN203393982U Vertical shaft adopting underground powerhouse cable outlet and air exhausting system which are arranged combinedly |
| 01/15/2014 | CN203393981U Novel fireproof safe flue gas exhaust channel |
| 01/15/2014 | CN103510671A Fire-proof magnesium composite board |
| 01/15/2014 | CN103508716A Preparation method of deoxidized gas flue conduit shaft |
| 01/15/2014 | CN102383581B Exhaust pipe structure |
| 01/14/2014 | US8627624 Deck drainage system |
| 01/08/2014 | EP2682660A1 Conical fitting for metal sheet pipes |
| 01/08/2014 | CN203383526U Environment-friendly and energy-saving house |
| 01/08/2014 | CN203383476U Rain shield for exhaust duct |
| 01/08/2014 | CN203383475U Insertion quakeproof integrated residence, kitchen and bath exhaust passage |
| 01/08/2014 | CN103498548A Two-channel odor tainting prevention inflaming retarding EPS flue preformed piece |
| 01/07/2014 | US8621800 Mortar and debris collection system for masonry cavity walls |
| 01/07/2014 | US8621799 External wall and roof systems |
| 01/01/2014 | CN103485518A Drafting exhaust hood |
| 01/01/2014 | CN103485517A Multi-stage jet flow exhaust valve |
| 12/31/2013 | US8615945 Ventilated structural panels and method of construction with ventilated structural panels |
| 12/31/2013 | US8615944 Stop bead for separating stucco material from a frame of a window or door |
| 12/25/2013 | CN203361682U Earthworm-composting-type water-free bio-toilet used in multi-storey building |
| 12/25/2013 | CN203361573U Unpowered cowl for ventilation channel of multi-story house |
| 12/25/2013 | CN103471166A Water supply and air-conditioning energy-saving system capable of comprehensively utilizing solar energy and wind power for high-rise building |
| 12/25/2013 | CN103470070A Energy-saving house |
| 12/25/2013 | CN103470069A Environment-friendly building integrating air conditioning and self-energy supply |
| 12/25/2013 | CN103470009A Pressure-swing exhaust passage |
| 12/18/2013 | CN203347185U Kitchen waste collecting and fermenting storage device for multistorey building |
| 12/18/2013 | CN203347184U Kitchen waste collecting and fermenting storage device for plane environmental place |
| 12/18/2013 | CN203347183U Downpipe separation plate |
| 12/18/2013 | CN203346950U Hidden laying structure for temporary water supply pipes of high-rise building |
| 12/18/2013 | CN103452297A Waterproof device used for ventilating duct |
| 12/18/2013 | CN103452296A Molding groove for exhausting smoke, exchanging air and covering pipeline |
| 12/18/2013 | CN102303366B Industrialized production line for exhaust passages |
| 12/11/2013 | CN203334615U Combined kitchen and bath exhaust passage device |
| 12/11/2013 | CN103437568A Environment-friendly energy-saving house |
| 12/11/2013 | CN102444265B Vent-thru-roof (VTR) assembly on roof and method for preventing vent stack from water leakage |
| 12/11/2013 | CN101954367B Household refuse collection system and treatment method thereof |
| 12/10/2013 | US8601754 Photovoltaic roofing elements and photovoltaic roofing systems |
| 12/06/2013 | DE202013104659U1 Abdeckhaube für Öffnungen in Wandungen Cover for openings in walls |
| 12/05/2013 | WO2013177989A1 Floor slab with prefabricated pipelines and prefabricated joints |
| 12/04/2013 | CN203320907U High-strength fireproof discharge flue |
| 12/04/2013 | CN203320906U Compound passage system having solar water heater tubes for multi-story buildings |
| 11/27/2013 | CN203308132U Large-scale ventilation, energy-saving and environment-protection underground garage |
| 11/27/2013 | CN203308058U Controllable ventilation pipeline for buildings |
| 11/27/2013 | CN203307993U Workshop ventilation column |
| 11/27/2013 | CN103410298A Rainproof hat for exhaust duct |
| 11/27/2013 | CN103410297A High-strength leakproof exhaust passage capable of being installed and combined fast |
| 11/26/2013 | US8590236 Alignable foam board |
| 11/26/2013 | US8590235 Anchoring system for a roof panel system |
| 11/26/2013 | US8590217 Framed wall construction and method |
| 11/20/2013 | CN203296340U Residential building garbage collection pipeline |
| 11/20/2013 | CN203296339U Fire prevention environment-friendly flue sheet |
| 11/19/2013 | US8584795 Filter silencer |
| 11/13/2013 | CN102274594B High-rise indoor fire escape room and high-rise building escape device thereof |
| 11/12/2013 | US8579074 Intake silencer for gas turbine |
| 11/12/2013 | US8578662 Window well enclosure with attachable steps |
| 11/12/2013 | DE202013009420U1 Vorrichtung zur Höhenveränderung eines Schachts Device for height variation of a well |
| 11/07/2013 | DE102009008408B4 Beheizbares Gebäude mit einer Abgasleitung Heated building with an exhaust pipe |
| 11/06/2013 | CN203271175U High-rise escape, rubbish disposal and automatic electricity generation all-in-one integrated device |
| 11/06/2013 | CN203271080U Flexible seal compensation pipe shaft |
| 11/06/2013 | CN203271079U Drainage and controllable ventilation pipeline for building |
| 11/06/2013 | CN203271078U Detachable exhaust outlet cap |
| 11/06/2013 | CN203271077U Auxiliary flue built in exhaust duct of high-rise building |
| 11/05/2013 | US8572917 Underlayment with improved drainage |
| 11/05/2013 | US8572910 Cap-on-cap mounting block |
| 10/31/2013 | WO2013159651A1 Smoke inverse stairs |
| 10/30/2013 | CN203257056U Magnesium oxide board flue |
| 10/24/2013 | WO2013158025A1 System for the treatment of food waste in connection to dish washing installations |
| 10/23/2013 | CN203247821U Draught flue |
| 10/23/2013 | CN103362290A Shaft with combined arrangement of underground powerhouse cable line outgoing system and air exhausting system |
| 10/23/2013 | CN103362289A Fireproofing flue |
| 10/23/2013 | CN102322132B Exhaust duct and exhaust system adopting same |
| 10/16/2013 | EP2649248A1 A vertical duct for building services like gas, water, electricity, said duct being accessible from the outside of the building |
| 10/16/2013 | CN203238906U Pipeline well structure and container house with same |
| 10/16/2013 | CN203236779U Foam aluminum tube |
| 10/16/2013 | CN103352555A Guide changing exhausting channel |
| 10/15/2013 | US8555562 Locking jack for a window well cover |
| 10/09/2013 | CN203230149U Water pipe protecting plate |
| 10/09/2013 | CN203230148U 功能柱 Function column |
| 10/09/2013 | CN203230147U Foamed aluminium pipe |
| 10/09/2013 | CN103343607A Method and device for collecting and preserving kitchen waste |
| 10/08/2013 | US8549806 Insulative and weather-resistant building construction |