| Patents for E04F 17 - Vertical ducts; Channels, e.g. for drainage (3,992) |
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| 03/31/2011 | DE102009041138A1 Arrangement for fluid-tight illumination and ventilation of cellar rooms for waterproofing and sealing of building wall penetration for window openings of subsurface structural systems, has curved plastic housing as fixture |
| 03/30/2011 | CN201778528U Anti-corrosion node for chimney of heat power plant |
| 03/30/2011 | CN201778504U Underwater structure for human living |
| 03/30/2011 | CN201778476U Fire-proof safety smoke exhaust channel for residential buildings |
| 03/30/2011 | CN201778475U Pet channel |
| 03/30/2011 | CN101993227A House exhaust passage and building material thereof |
| 03/24/2011 | DE202010016163U1 Lichtschachtabdeckung zB für Kellerlichtschächte Light weight saver eg cellar light wells |
| 03/23/2011 | CN201771160U Gas safety device for pipe gallery |
| 03/23/2011 | CN201771159U Light composite stalk ventilation duct |
| 03/23/2011 | CN201771158U Anti-compression, anti-cracking and anti-torsion discharge flue |
| 03/22/2011 | US7909135 Silencer and electronic apparatus having the same |
| 03/17/2011 | WO2010099942A9 Profiled flange for the air-tight connection of an air duct |
| 03/17/2011 | US20110061968 Sound Attenuator for Low Frequencies, Method for Manufacturing Sound Attenuator for Low Frequencies and System for Attenuating Low Frequencies for Example In Air-Conditioning Ducts of Paper Mills |
| 03/17/2011 | US20110061967 Sound attentuator |
| 03/16/2011 | EP2293995A1 Shaft for a collection plant and coherent unit for the shaft with a removably mounted unit comprising, inter alia, a valve means |
| 03/16/2011 | CN201762964U Indoor sewage pipe packaging plate component |
| 03/16/2011 | CN201762963U Combined type fireproof smoke exhaust duct |
| 03/16/2011 | CN201762962U Clamping groove-type gas-tight smoke removal air passage with high strength |
| 03/16/2011 | CN101985330A Garbage disposal unit |
| 03/10/2011 | DE202010004733U1 Hohlprofilleiste zur Montage eines Profilrahmens für ein Schutzgitter Hollow profile strip to a profile frame for a protective grid |
| 03/09/2011 | CN201756783U Solar water heating and cooling heatable brick bed combination |
| 03/09/2011 | CN201756782U Pipe carrier |
| 03/02/2011 | CN201753518U Residential discharge flue |
| 02/24/2011 | WO2010118859A3 Device for covering a light well opening |
| 02/23/2011 | CN201751492U Light combined exhausting channel for exhaust in kitchen and toilet |
| 02/22/2011 | US7891464 System and method for noise suppression |
| 02/16/2011 | CN201748455U Exhaust discharging device capable of preventing smog and odor taint |
| 02/16/2011 | CN201747035U Pipe enclosing plate |
| 02/16/2011 | CN201747034U Combination type kitchen and bathroom fireproof exhaust duct |
| 02/16/2011 | CN201747033U Mounting device for stainless steel smoke-exhaust air duct in narrow space |
| 02/16/2011 | CN101975412A Building integrative heat accumulation and cold accumulation room temperature adjustment device |
| 02/16/2011 | CN101974970A Fireproof smoke discharging air passage |
| 02/15/2011 | CA2564323C Trapeze hanger |
| 02/10/2011 | DE202010012424U1 Lichtdurchlässige Schrägabdeckung aus Kunststoff für Lichtschächte ohne Wandanschluss Translucent plastic cover for oblique light wells without wall connection |
| 02/10/2011 | DE202008017968U1 T-förmiges Abzweigstück, insbesondere für ein Lüftungssystem T-shaped junction piece, in particular for a ventilation system |
| 02/10/2011 | DE102009036491A1 Plinth system for building, has detachable plug connection designed as pivot connection at free end of floor sided base profile-side piece so that cover profile is foldable and pivotable from open position of channel into closed position |
| 02/09/2011 | CN201738609U Bottle-shaped kiosk |
| 02/09/2011 | CN201738603U Tower tree |
| 02/09/2011 | CN101968033A Building pipeline type wind power generation method |
| 02/03/2011 | US20110023395 Floor slab penetration structure and floor slab penetration hole repair method |
| 02/02/2011 | CN201730294U Rectifier grille used in smoke exhaust fireproof valve upstream smoke exhaust air duct |
| 02/02/2011 | CN201730293U Pressure variable exhaust duct |
| 02/02/2011 | CN101962993A Anti-backward flowing ballistic cap |
| 02/02/2011 | CN101962992A Exhaust passage and production method thereof |
| 02/02/2011 | CN101962991A Integrated fireproof exhaust pipeline for kitchen and bathroom and manufacturing method thereof |
| 02/02/2011 | CN101206064B Building natural ventilation device and installation method |
| 01/27/2011 | US20110017301 Facade rainwater harvesting system |
| 01/26/2011 | CN201722928U One-step forming fume pipe model |
| 01/26/2011 | CN201722900U Industrial factory building piping shaft |
| 01/26/2011 | CN201722899U Sunken air duct |
| 01/26/2011 | CN201722898U High-tightness damper |
| 01/26/2011 | CN201722897U Combined flue |
| 01/26/2011 | CN101956449A Integrated housing flue and manufacturing method thereof |
| 01/26/2011 | CN101954367A Household refuse collection system and treatment method thereof |
| 01/25/2011 | US7874123 Stop bead for separating stucco material from a frame of a window or door |
| 01/20/2011 | US20110011015 Energy efficient garage |
| 01/19/2011 | CN201714036U Waste oil and waste water drainage system of residential building flues |
| 01/13/2011 | WO2010099942A3 Profiled flange for the air-tight connection of an air duct |
| 01/13/2011 | US20110005859 Process for Audible Acoustic Frequency Management in Gas Flow Systems |
| 01/12/2011 | CN201704932U Quick inserting type combined ventilating duct |
| 01/12/2011 | CN201704931U Cracking-prevention high-strength refractory flue |
| 01/12/2011 | CN201704930U Discharge flue wind cowl |
| 01/12/2011 | CN201704929U Strengthened combined fireproof exhaust pipeline |
| 01/12/2011 | CN1813158B Apparatus and method for installing functional non-architectural elements |
| 01/12/2011 | CN101942898A Gusset plate for supporting connection in flue gas ducts and construction method thereof |
| 01/05/2011 | DE202010012664U1 Abgasanlagen-Verbindungsstück Exhaust Connector |
| 01/05/2011 | CN201695733U Fireproof building structure |
| 01/05/2011 | CN201695645U Variable pressure exhaust duct for residences |
| 01/05/2011 | CN101936443A Plastic package vacuum plate and application thereof |
| 01/05/2011 | CN101936064A Throwing mouth of vacuum refuse system |
| 01/05/2011 | CN101936063A Light composite straw ventilation pipe |
| 01/04/2011 | US7861468 Window well |
| 12/30/2010 | DE202010012348U1 Lichtschachtsystem aus Beton mit integrierter transparenter, begehbarer und dichter Abdeckung Light shaft system of concrete including transparent, walk and dense cover |
| 12/30/2010 | DE202010012346U1 Klappbare Lichtschacht-Schrägabdeckung aus transparentem Kunststoff Foldable light shaft angular coverage of transparent plastic |
| 12/29/2010 | EP2267241A1 A system for laying outdoor and indoor wood floors capable of being thoroughly overseen |
| 12/29/2010 | CN201687231U Hot airflow internal circulation tobacco curing room |
| 12/29/2010 | CN201687178U House fume concentrated discharge device |
| 12/29/2010 | CN201687177U Fire-proof gas fume pipeline |
| 12/23/2010 | US20100320130 Floor drain with drain field |
| 12/23/2010 | DE202010012586U1 Lichtschacht und Element zum Einsatz in einem Lichtschacht Light shaft and element for use in a light shaft |
| 12/23/2010 | DE10315365B4 Verfahren und Vorrichtung zur Herstellung eines Gitterrostes für einen Schutzeinsatz für Licht- und/oder Lüftungsschächte Method and apparatus for producing a grating for a protection insert for light and / or ventilation shafts |
| 12/22/2010 | EP2264258A1 Closure plate for a roof passage and method for the placing in a sloping roof of a closure plate and a chimney |
| 12/22/2010 | CN201679212U Common smoke exhausting channel in kitchen and washroom |
| 12/22/2010 | CN201679165U Wind-solar hybrid generation architectural panel module |
| 12/22/2010 | CN201678211U Household garbage collection device |
| 12/22/2010 | CN101922740A Thermal circulation type elevated heatable brick bed |
| 12/15/2010 | CN201671771U Impact wind driven generator and building adopting the same |
| 12/15/2010 | CN201671302U Transformation 90 degrees exhausting tee |
| 12/15/2010 | CN101914988A Fireproof combined gas flue |
| 12/09/2010 | DE102009023842A1 Light well-screen for sheathing masonry of building, has rotating sealing strip arranged at side that is turned towards outer wall and inserted into wall sealing, where screen is made from plastic or stainless steel |
| 12/08/2010 | CN101906832A Building wall body and roofing structure for heat preservation and regulation and ventilation |
| 12/08/2010 | CN101519908B Negative-pressure smoke-guiding fireproof building structure |
| 12/02/2010 | WO2010137044A1 Composable terminal plenum box and /or intermediate plenum box and/or ductwork, in particular for aeration and air-condftioning systems, and process for production thereof |
| 12/01/2010 | CN201661058U Ventilation exhaust passage |
| 12/01/2010 | CN1981098B A ventilation device and frame system |
| 11/24/2010 | CN201652454U Temperature-preserving and heat-insulating fire wall |
| 11/24/2010 | CN201652153U Active natural light guiding device for building |
| 11/24/2010 | CN201650452U Silencing device of diesel generating set |
| 11/24/2010 | CN201649704U Novel shower room |
| 11/24/2010 | CN201649697U Multi-storey building |