| Patents for E02D 19 - Keeping dry foundation sites or other areas in the ground (2,850) |
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| 12/02/2009 | CN100564706C Trench wall in the ground and method for the production thereof |
| 11/25/2009 | CN101586341A Water sealing method for civil engineering groundwork |
| 11/18/2009 | CN101581099A Single-wall steel suspended box cofferdam |
| 11/17/2009 | CA2403722C Method and apparatus for ventilation of foundations |
| 11/11/2009 | CN201343775Y Structure for draining layer by layer from underground factory building cavern of water-rich zone hydropower station |
| 11/11/2009 | CN201343735Y Large-scale shallow water floating cofferdam |
| 11/11/2009 | CN201343734Y Pile hanging bracket |
| 11/11/2009 | CN101575858A Construction method of steel cofferdam used for reinforcing underwater pier |
| 10/28/2009 | CN101565963A Discharge structure of underground factory |
| 10/28/2009 | CN101565949A Forming method of large shallow foundation pit with soft soil foundation |
| 10/27/2009 | CA2514638C Method and trench wall cutting device for making a trench wall in the soil |
| 10/21/2009 | CN201330402Y Pipe segment inner pressure type decompression well pipe |
| 10/21/2009 | CN201330401Y Combined type template pile cofferdam |
| 10/21/2009 | CN201330400Y Lapping type combined steel plate cofferdam |
| 10/21/2009 | CN101560773A Water-retaining cofferdam mode used in case of difficult implementation of heavy excavation method |
| 10/21/2009 | CN101560764A Method for calking exploratory hole by intermittent high-pressure rotary jet grouting |
| 10/15/2009 | US20090257830 Foundation wall vapor barrier system |
| 10/14/2009 | CN201326176Y Deep foundation pit dewatering retention well |
| 10/14/2009 | CN101555692A Dewatering earth-taking construction method for foundation pit on water |
| 10/07/2009 | CN201321616Y Deep foundation pit supporting, reinforcing, anti-seepage and waterproof structure |
| 10/07/2009 | CN101550701A Method and device for treating partial water burst of foundation ditch |
| 10/07/2009 | CN100547178C Underwater bridge foundation construction method |
| 09/23/2009 | CN101538833A Vertical subsection double-wall steel cofferdam water stopping construction method |
| 09/17/2009 | US20090229199 Building structure with having spaces having improved temperature stability |
| 09/16/2009 | CN201310093Y Hidden drainage technology for water seepage in subterranean layer |
| 09/09/2009 | CN201305853Y Pervious pipe |
| 09/09/2009 | CN201305852Y Environment-friendly cofferdam |
| 09/08/2009 | US7585556 Studded plate with fold line |
| 09/02/2009 | CN100535264C Steel boxed cofferdam and recovery method thereof |
| 09/01/2009 | US7581361 Plug for temporarily but securely covering holes in floor- or deck-type building structures |
| 08/26/2009 | CN101514555A Technical method for reinforcing foundation by circulating bedding course drainage preloading |
| 08/26/2009 | CN101514554A Flexible structure cofferdam |
| 08/26/2009 | CN100532755C Water-proof structure and water-proof construction method and used under layer coil |
| 08/19/2009 | CN201292535Y Abysmal sea naked rock pier protecting barrel, spud and underwater cofferdam integration platform |
| 08/19/2009 | CN201292533Y Composite type casing box cofferdam |
| 08/12/2009 | CN101503881A Method for reinforcing underwater structure by fiber-reinforced composite material grid ribs |
| 08/05/2009 | CN201284482Y Synchronous construction water-proof blanket structure |
| 08/05/2009 | CN101498151A Water-proof material construction method and spray gun |
| 07/29/2009 | CN100519956C Connection and anchoring device between steel suspended box and steel guard sleeve |
| 07/22/2009 | CN101487266A Earth-steel combined cofferdam construction method for underwater pile cap of bridge |
| 07/22/2009 | CN100516381C Transverse semi-permeable discharge pipe and its transverse discharging net |
| 07/22/2009 | CN100516380C Method for lowering water by combining phreatic water in footing groove with artesian aquifer - well stratifications |
| 07/22/2009 | CN100516379C Foundation drainage system of wooden structure house |
| 07/15/2009 | EP2006454A9 Pump for draining bores by means of alternating aspiration and expulsion cycles, based on the principle of pneumatic displacement |
| 07/15/2009 | CN201272976Y Deep-foundation baseboard buoyant force releasing structure |
| 07/08/2009 | CN100510279C Water discharge component with plastic net core plate |
| 07/01/2009 | CN101469544A High precision pressure water drawdown control construction method |
| 07/01/2009 | CN101469543A Steel boxed cofferdam construction technique for steel-concrete combined bottom board |
| 06/25/2009 | US20090158675 Cavity-Wall Construction with Insect Barrier |
| 06/24/2009 | CN201261887Y Vacuum precipitation system |
| 06/24/2009 | CN201261886Y Shaft mouth air bag sealing device |
| 06/18/2009 | US20090151274 Water drain |
| 06/17/2009 | EP2071084A1 Device and method for closing a hole in the ground |
| 06/17/2009 | CN101457528A Seamless joint pipe caisson pouring row pile construction technique |
| 06/17/2009 | CN101457527A Simple abd rapid water sealing method for larsen steel sheet pile cofferdam |
| 06/10/2009 | CN201254727Y Bridge stake underwater maintenance and construction cofferdam |
| 06/03/2009 | CN101446085A Underground type drop and drainage structure outside the building and method thereof |
| 06/03/2009 | CN101446084A Underground building outdoor-indoor water drainage combination structure and method thereof |
| 05/28/2009 | WO2009067286A1 Self healing salt water barrier |
| 05/28/2009 | CA2705548A1 Self healing salt water barrier |
| 05/27/2009 | CN201245845Y High flow earth work composite drainage network |
| 05/27/2009 | CN201245844Y Theft-proof manhole cover |
| 05/27/2009 | CN201245827Y Earth rock coffer dam for grouting reinforcement |
| 05/27/2009 | CN101440619A Seismic ecological bearing pile |
| 05/27/2009 | CN100491650C Precipitation construction method for double-bushing vacuum deep well point |
| 05/21/2009 | US20090126290 Masonry Cavity Wall having a Compressible, Expandable Debris Blocker and Method of Assembly |
| 05/20/2009 | CN201241333Y Large-scale steel suspension box cofferdam elevating device with load |
| 05/20/2009 | CN101435201A Large-scale shallow water floating cofferdam |
| 05/20/2009 | CN101435200A Combined cofferdam construction method |
| 05/20/2009 | CN101435198A Deep pit support reinforcing anti-seepage water stop composite structure |
| 05/20/2009 | CN100489200C Large-diameter circular steel-plate cofferdam and its construction method |
| 05/19/2009 | US7533499 Rough in box for use in protecting a plumbing drain line during pouring of concrete |
| 05/13/2009 | CN101429761A Deep sea bare rock pier protection barrel, positioning pile, underwater cofferdam integrated platform and construction method |
| 05/13/2009 | CN101429753A Well type heat-insulating water outlet |
| 05/12/2009 | US7530149 Lawn crypt covering system and method |
| 05/12/2009 | CA2513826C Device and method for making a trench wall in the soil |
| 05/07/2009 | US20090113820 Prefabricated wall panel system |
| 05/06/2009 | CN201232192Y Safe combined well cover for sewer |
| 05/06/2009 | CN201232191Y Water dispersal open ditch structure |
| 05/06/2009 | CN201232181Y Permeable structure of rigid drainage pile |
| 05/06/2009 | CN101424083A Drainage an ice blocking system of multi-outlet |
| 05/06/2009 | CN100485135C Dry process for protecting sub-dam red mud dump |
| 04/22/2009 | CN201224887Y Well point tube for flexible soil foundation water drain consolidation |
| 04/22/2009 | CN101413270A Hanging pile bracket and its use method |
| 04/22/2009 | CN100480475C Controllable one-well lamina precipitation construction method |
| 04/22/2009 | CN100480472C Quick reinforcing method and reinforcing device for super soft weak soil |
| 04/15/2009 | CN201221087Y Frame and pull net combined batardeau |
| 04/15/2009 | CN100478527C Stick type underground works water collecting and drainage system |
| 04/08/2009 | CN201217807Y Double-wall steel suspension box side sheet |
| 04/08/2009 | CN201217806Y Suspension apparatus for steel suspension box cofferdam |
| 04/07/2009 | US7513715 Subterranean barriers, methods, and apparatuses for forming, inspecting, selectively heating, and repairing same |
| 04/02/2009 | US20090084047 Closed cell polyethlene furring strips and house wrap with closed cell polyethylene furring strips |
| 04/01/2009 | CN201214792Y Multifunctional pulling and pressing level for steel hanging box of deep water platform |
| 04/01/2009 | CN201214787Y Rigid water drain pile |
| 03/25/2009 | CN201212590Y Plastic three-dimensional composite permeable tube |
| 03/25/2009 | CN201212156Y Interception and drainage system of basement engineering |
| 03/25/2009 | CN201212148Y Precipitation Well seal structure in foundation slab |
| 03/12/2009 | US20090064603 Venting system for drywell calibrators |
| 03/12/2009 | DE102007024057B4 Verfahren zur Verfestigung und/oder Abdichtung lockerer geologischer Formationen im Zuge von geotechnischen Baumaßnahmen Method of consolidating and / or sealing looser of geological formations in the course of geotechnical construction |
| 03/04/2009 | CN201202121Y Foundation pit drainpipe net |