| Patents for E04F 17 - Vertical ducts; Channels, e.g. for drainage (3,992) |
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| 05/23/2012 | CN102465590A 方筒型除尘烟道 Square tube-type flue dust |
| 05/23/2012 | CN102465589A 烟囱帽 Chimney caps |
| 05/23/2012 | CN102464247A 使用在多层住宅楼的多幢楼共用电梯及其建筑结构 The use of multi-storey residential building in a multi-elevator buildings and structures common |
| 05/23/2012 | CN101922740B Thermal circulation type elevated heatable brick bed |
| 05/23/2012 | CN101886459B Sootiness prevention system for kitchen of high-rise residential building |
| 05/17/2012 | US20120117901 Filling gaps in a curtain wall system |
| 05/16/2012 | CN202220428U Exhaust duct made of magnesium oxide materials |
| 05/16/2012 | CN102454210A Negative pressure odor eliminating attached duct structure for closestool |
| 05/16/2012 | CN102454193A House decoration water and electricity construction method |
| 05/15/2012 | CA2538533C Window well assembly |
| 05/09/2012 | EP2450500A2 Wall cladding module |
| 05/09/2012 | CN202216355U Dense oriented inclined-hole pipe |
| 05/09/2012 | CN202215035U Fireproof lifesaving room of storied house |
| 05/09/2012 | CN202214961U Precast concrete garbage chute |
| 05/09/2012 | CN202214960U Exhaust passage structure with adjustable pressure changing device and fire-resistant check valve |
| 05/09/2012 | CN102444955A Photovoltaic construction solar system integrated with vertical water discharge, water collecting and air changing |
| 05/09/2012 | CN102444296A Life saving device for buildings |
| 05/09/2012 | CN102444265A Vent-thru-roof (VTR) assembly on roof and method for preventing vent stack from water leakage |
| 05/08/2012 | US8171677 Insert for a weep hole opening in a masonry wall |
| 05/03/2012 | WO2012056083A1 Joining device for connecting air conditioning duct members to each other and a method for fabricating a joining device |
| 05/02/2012 | CN202209071U Corrosion-free energy-saving chimney |
| 05/02/2012 | CN202209033U Exhaust duct |
| 05/02/2012 | CN202209032U Hood base for flue gas discharging channel |
| 05/02/2012 | CN102431868A Hydraulic speed-limiting lift |
| 05/01/2012 | US8166775 Noise attenuating device for a heating-ventilation-cooling system of a motor vehicle |
| 04/26/2012 | WO2012031306A3 Bodily psychological and physical rejuvenation equipment |
| 04/26/2012 | DE102010018521B4 Lüftungshaube Ventilation hood |
| 04/25/2012 | CN202202610U 一种高效防腐节能烟囱 A highly efficient energy-saving chimney corrosion |
| 04/25/2012 | CN202202547U 排风系统 Exhaust system |
| 04/25/2012 | CN202202546U 一种楼道防串排风道 One kind of anti-corridor train flues |
| 04/25/2012 | CN202202545U 外套式排气管道连接装置 Coat exhaust pipe connection device |
| 04/25/2012 | CN202202544U 一种多层建筑卫生间通风防漏的结构 A multi-layer architecture bathroom ventilation leakproof structure |
| 04/25/2012 | CN101798879B Building with integrated green construction technologies |
| 04/19/2012 | US20120090915 Air duct attenuator |
| 04/18/2012 | CN202194406U 一种舒适生态客房 One kind of comfortable and eco Room |
| 04/18/2012 | CN202194399U 具有垃圾运输电梯的建筑物 The building has an elevator waste transportation |
| 04/18/2012 | CN202194360U 一种防火防串烟排气道 Fireproof anti strings of smoke exhaust duct |
| 04/18/2012 | CN202194195U 用于家庭垃圾处理器的四通管 Stone pipes for household waste processor |
| 04/11/2012 | CN202188175U 一种偏心止回阀 One kind of eccentric valve |
| 04/11/2012 | CN202187530U 落水管隔板 Downspouts separator |
| 04/11/2012 | CN202187529U 组合式排气道系统 Combined exhaust duct system |
| 04/11/2012 | CN202187528U 新型通风排烟口风口结构 The new ventilation exhaust port outlet structure |
| 04/11/2012 | CN102406989A 一种高楼消防自救型快速逃生方法及系统 One kind of high-rise firefighting self-help type fast escape method and system |
| 04/10/2012 | US8151931 Acoustic noise control in heating or cooling systems |
| 04/04/2012 | CN202181708U 整体式玻镁烟道 Monolithic magnesium flue |
| 04/04/2012 | CN202181707U 不锈钢充填管材 Stainless steel pipe filled |
| 04/04/2012 | CN202180514U 楼房风帽模具 Building hood mold |
| 04/04/2012 | CN102400545A 一种高楼垃圾箱系统 One kind of high-rise trash system |
| 04/04/2012 | CN101501405B 金属板通风/排烟管道段及其制造方法 Metal sheet ventilation / smoke exhaust duct section and its manufacturing method |
| 04/03/2012 | US8146706 Air duct for vehicle air conditioning and air conditioner for vehicle |
| 03/27/2012 | US8141310 Thin brick and tile drainage system |
| 03/21/2012 | CN202170626U 变压式排气烟道 PSA exhaust flue |
| 03/21/2012 | CN102383581A Exhaust pipe structure |
| 03/21/2012 | CN102383580A Exhaust pipe structure |
| 03/21/2012 | CN102383579A Exhaust pipe structure |
| 03/14/2012 | CN202164860U 自送风滤灰降温静音有太阳能取暖热水器能封闭防火高楼 Since the air filter cool muted gray solar heating water heater can be closed fire tower |
| 03/14/2012 | CN202164804U 铝合金模板盖板系统 Aluminum template cover system |
| 03/14/2012 | CN202164801U 高渗透性无粘尘厨卫防火排气道 High permeability no sticky kitchen exhaust duct fire |
| 03/14/2012 | CN202164800U 带有接油盒的烟气道 Range Drip Pans with flue gas channel |
| 03/14/2012 | CN202164799U 包角烟道 Corners flue |
| 03/13/2012 | US8132374 External wall panel unit for saving energy and external wall structure system using the same |
| 03/08/2012 | WO2012030997A2 Ventilation unit calibration apparatus, system and method |
| 03/07/2012 | CN202157517U 菱镁复合一次成型烟气道 Magnesite forming a flue gas channel |
| 03/07/2012 | CN202157516U 一种烟气集中排放的烟道 A centralized gas flue emissions |
| 03/07/2012 | CN202157515U 一种可防渗漏的烟道 One kind can prevent leakage of flue |
| 03/07/2012 | CN101818558B Industrial factory building pipe shaft and installing method thereof |
| 03/01/2012 | DE202011109195U1 verspiegelter Kellerlichtschacht mirrored basement light shaft |
| 02/29/2012 | CN202152534U 排风管道和采用该排风管道的排风系统 The exhaust pipe and the use of the exhaust pipe exhaust system |
| 02/29/2012 | CN102364016A Self-air-supply ash-filtering cooling silencing closable fireproof tall building with solar warming water heater |
| 02/29/2012 | CN102364002A Passive interference type ventilation sound insulation window |
| 02/22/2012 | EP2419580A2 Device for covering a light well opening |
| 02/22/2012 | CN202148697U 一种具有自然通风功能的住宅楼 A residential building has natural ventilation function |
| 02/22/2012 | CN202148678U 墙孔装饰环 Hole in a wall trim ring |
| 02/22/2012 | CN202148583U 一种卫生间抽风装置 One kind of toilet ventilation device |
| 02/22/2012 | CN101993227B House exhaust passage and House exhaust passage building material |
| 02/22/2012 | CN101839057B 一种快速插接式组合通风管道 A quick plug-in combination ventilation ducts |
| 02/15/2012 | EP2418338A1 Method of forming insulated angular duct sections, compatible with an automatic coil line |
| 02/15/2012 | EP2418337A1 Negative-pressure smoke-guiding fireproof building structure |
| 02/15/2012 | EP2417420A1 Means and method for measuring an elevator hoistway |
| 02/15/2012 | CN202144662U 跟风式排气帽 Suit-type vent cap |
| 02/15/2012 | CN102352647A Ventilating and leakage preventing method for toilets of multistoried building |
| 02/09/2012 | WO2012016363A1 Combination structure for air conditioning ventilation duct |
| 02/08/2012 | CN202139820U 一种住宅楼垃圾管道收集系统 One kind of residential building garbage collection system piping |
| 02/08/2012 | CN101672098B 组合式厨卫防火排气道的制作方法 Production methods combined kitchen fire exhaust tract |
| 02/03/2012 | DE202011108159U1 Lichtschacht Light shaft |
| 02/02/2012 | US20120024623 Noise attenuator and vehicle air intake duct provided therewith |
| 02/02/2012 | DE102010033031A1 Light well installed in building, has transparent adjustable plate made of metal, plastic material or glass that is arranged such that sunlight is incident on sidewall of opening in building |
| 02/01/2012 | CN202131801U 通信机房 Communications room |
| 02/01/2012 | CN202131761U 一种安全环保型组合式烟气道 A safe and environmentally friendly modular flue gas channel |
| 02/01/2012 | CN102337780A Discharge flue |
| 01/30/2012 | DE202011052284U1 Entrauchungskanal Entrauchungskanal |
| 01/26/2012 | US20120018246 Muffler Unit for Fume Extractor Hood |
| 01/25/2012 | CN202125405U Building roof type solar thermal current and wind power combined generation system |
| 01/25/2012 | CN202125057U Wall surface modification circuit hiding box |
| 01/25/2012 | CN202125056U Internal-sleeved connecting device of exhaust pipeline |
| 01/25/2012 | CN102330492A Toilet ventilation and leakage-proof structure for multistoried building |
| 01/18/2012 | CN202117310U Serial plastic building materials |
| 01/18/2012 | CN202117291U Building garbage disposal system |
| 01/18/2012 | CN202117290U Variable-pressure exhaust passage |
| 01/18/2012 | CN202117289U Exhaust duct for residential kitchens and bathrooms |