| Patents for E04G 27 - Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps (293) |
|---|
| 12/17/2012 | DE202012010804U1 Mobile Rampe Mobile ramp |
| 11/14/2012 | CN202530777U Rapidly-mounted high-altitude overhauling device of aluminum alloy block |
| 09/26/2012 | CN202451040U Perpendicular high-altitude crawling ladder |
| 09/11/2012 | CA2491124C Modular platform, walkway or ramp |
| 08/29/2012 | CN202401778U Foldable vehicle pushing slope |
| 08/22/2012 | CN202391151U Multifunctional rotary protective connecting piece |
| 08/22/2012 | CN101876209B Supertall building core tube construction safety fire protection system and device |
| 08/22/2012 | CN101550769B Movable trestle |
| 07/12/2012 | US20120174325 Modular bicycle gutter |
| 06/14/2012 | WO2012077844A1 Movable side ramp for a doorstep |
| 05/29/2012 | CA2531475C Vehicle ramp |
| 05/09/2012 | CN202215006U Tool-type fixed ladder for construction |
| 05/09/2012 | CN202215005U Pedal |
| 04/18/2012 | CN202194397U 工具式盘梯 Tool type disc ladder |
| 03/21/2012 | CN202170608U 脚踏板防滑结构 Pedals slip structure |
| 03/15/2012 | DE102011010565B3 Portable device for road-building, particularly for overcoming height difference, has two telescoping slittings which are spaced apart from each other and plate-like elements which are movable relative to each other between slittings |
| 02/16/2012 | WO2011146190A3 Paper ramp |
| 02/15/2012 | CN102352700A Vertical transportation channel tower for construction of super high-rise building |
| 11/02/2011 | CN202023132U Channel net |
| 10/05/2011 | CN202000688U Movable climbing structure for automobile |
| 09/21/2011 | CN201981722U 一种活动楼梯 An activity stairs |
| 09/21/2011 | CN101922244B Folding portable stair for building construction working layer |
| 09/07/2011 | CN201962965U 深基坑施工用笼梯 Deep Foundation Pit caged ladder |
| 08/11/2011 | WO2011051522A3 Clip-assembled, weld-free folding or fixed ramp for overcoming changes in level |
| 07/05/2011 | US7971408 Stairtower and method for erecting the same |
| 05/31/2011 | US7950498 Stair climbing aid |
| 05/25/2011 | CN201843356U Hydraulic lifting type step system |
| 05/25/2011 | CN101761245B Assembled portable ladder for building construction layer |
| 05/18/2011 | CN201835536U Movable type outer rack crawling ladder |
| 05/12/2011 | DE202011001919U1 Transportable Vorrichtung zum Wegebau, insbesondere zur Überwindung einer Höhendifferenz Portable device for road construction, especially for overcoming a height difference |
| 05/11/2011 | CN201826546U Tower-type ladder stand for construction |
| 05/11/2011 | CN201826545U Safety fire protection system device for core tube construction of super high-rise building |
| 05/04/2011 | CN102041904A Slide plate type emergency staircase |
| 04/28/2011 | WO2009057073A3 Driveway leveler |
| 04/06/2011 | CN201786235U Expandable stepladder |
| 03/23/2011 | CN201771205U Movable ramp |
| 03/23/2011 | CN201771204U Portable type step climbing-up device |
| 02/16/2011 | CN201747079U Light tool type outrigger stair |
| 02/04/2011 | CA2710876A1 Tower climbing and servicing device |
| 01/12/2011 | CN201704965U Device capable of making loading machine directly enter accident pool |
| 01/12/2011 | CN201704964U Assembled type simple and convenient construction steel pipe stair for buildings |
| 12/22/2010 | CN201677812U Folding type bridge deck |
| 12/22/2010 | CN101922244A Folding portable stair for building construction working layer |
| 12/16/2010 | DE102009024857A1 Stair stringer for stair towers utilized as e.g. emergency stairs during renovation work on public buildings, has retainers arranged in step form, and supporting units, which are independent of height of points and distance of supports |
| 12/08/2010 | CN201666005U Spacing-adjustable detachable type movable section head |
| 11/25/2010 | US20100293875 Stairway for Use on Building Sites |
| 11/03/2010 | CN101876209A Supertall building core tube construction safety fire protection system and device |
| 10/20/2010 | CN201610640U 移动式梯道 Mobile stairway |
| 10/19/2010 | CA2635890C Hinged ramp assembly |
| 09/22/2010 | CN201588415U Assembled portable ladder for operation layer of building construction |
| 09/15/2010 | CN201581656U Steel trestle for large-scale complicated construction sites |
| 08/19/2010 | DE102009000936A1 String for heavy-duty staircase in facade scaffold, has retaining elements connected with scaffold coverings as step treads, and lower and upper ends including clamp connectors for connecting string with vertical posts of facade scaffold |
| 07/28/2010 | CN101787803A Folding portable ladder used for building construction operation layer |
| 07/14/2010 | CN201526171U Slope board for preventing wheelchair from side-slipping |
| 07/14/2010 | CN201526170U Slope plate capable of preventing high-heeled shoes from sinking |
| 07/14/2010 | CN201526169U Slope board capable of preventing high-heeled shoes from sinking into |
| 06/30/2010 | CN101761245A Assembled portable ladder for building construction layer |
| 06/17/2010 | US20100147622 Convertible deck deployment system, and method for transferring personnel between spaced elecations |
| 06/09/2010 | CN201502183U Auxiliary lane with bracket |
| 06/02/2010 | CN201495793U Climbing machine |
| 05/05/2010 | CN201447882U Support frame |
| 04/21/2010 | EP2177691A1 Scaffolding structure including stairs |
| 04/21/2010 | CN201439647U Self-locking folding stair for butterfly module assembled scaffold |
| 03/24/2010 | CN201428251Y Step stool |
| 12/02/2009 | CN201354518Y Walking trestle bridge |
| 10/07/2009 | CN101550769A Movable trestle |
| 07/09/2009 | DE10307087B4 Bautreppe Stairway |
| 07/01/2009 | CN101473097A Stairway for use on building sites |
| 05/20/2009 | CN201241481Y Tool type stairs protection guardrail |
| 05/07/2009 | WO2009057073A2 Driveway leveler |
| 05/07/2009 | DE10353277A1 Verbesserungen an Systemen zum Bauen von Bauwerken in bewehrtem Beton oder einem anderen Material mit Hilfe hochpräziser, integraler, modularer Verschalungen Improvements to systems for building structures in reinforced concrete or other material using high precision, integral, modular Cladding |
| 05/06/2009 | CN201232370Y Detachable trestle frame for slope |
| 05/06/2009 | CN201232369Y Cushion for slope |
| 04/30/2009 | CA2610392A1 Driveway leveler |
| 04/29/2009 | CN201228448Y Foldable auxiliary ramp |
| 04/23/2009 | WO2009050528A1 Stairway accessibility device |
| 04/23/2009 | US20090100614 Device for a Gangway |
| 04/08/2009 | CN201217950Y Temporary protection railing used for stairs |
| 03/24/2009 | CA2498252C Mat ramp securement and method |
| 03/04/2009 | EP2029835A1 Stairway for use on building sites |
| 02/19/2009 | WO2009023077A1 Stairtower and method for erecting the same |
| 02/04/2009 | CN100457594C Cross-shaped H type steel frame connection device |
| 01/28/2009 | CN201187030Y Roller compacted concrete automobile warehousing apparatus |
| 01/28/2009 | CN201187029Y Small-sized displacement type concrete automobile warehousing auxiliary device |
| 11/26/2008 | CN100436741C Work saving device for object to go up or down steps of staircase |
| 11/20/2008 | WO2008138041A1 Portable staircase |
| 11/12/2008 | CN201148746Y Tank car loading platform gap bridge apparatus |
| 04/17/2008 | DE102007049427A1 Ramp platform device for onboard convertible inspection system for e.g. scanner vehicle, has ramp pieces provided with triangle shaped longitudinal section, where ramp pieces are connected with ends of intermediate pieces by connection |
| 03/20/2008 | WO2008002404A3 Curb cushion |
| 03/12/2008 | CN201033946Y Special jacket stand set for temporary rail of steel stair |
| 03/05/2008 | EP1893827A1 Scaffold steps |
| 01/24/2008 | US20080017448 Stairtower and method for erecting the same |
| 01/15/2008 | CA2367735C Variable-incline ramp system |
| 12/27/2007 | WO2007147210A1 Stairway for use on building sites |
| 12/27/2007 | CA2655377A1 Stairway for use on building sites |
| 11/08/2007 | DE202007010848U1 Kraft- und formschlüssige, höhenverstellbare Konsolanbindung für mobile Raumzellen Positive and positive, height-adjustable Konsolanbindung for mobile spatial units |
| 11/07/2007 | CN101067300A Deep foundation pits rampway structure |
| 10/03/2007 | CN200955234Y Mark time steel-ladder |
| 08/21/2007 | US7258199 Modular multilevel access platform and method for erecting the same |
| 05/16/2007 | CN1965136A Modular multilevel access platform and method for erecting the same |