Patents for E03F 3 - Sewer pipe-line systems (3,593) |
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12/21/1995 | DE4421290A1 Process for sealing of leaks in esp. sewer pipes |
12/07/1995 | DE4418953A1 Removal of old buried pipes for replacement |
11/30/1995 | DE4418515A1 Concrete drain-pipe with flat side=face |
11/30/1995 | DE4418331A1 Drainage pipe branch closure system |
11/22/1995 | CN1112179A Ejector device |
11/14/1995 | US5466091 Surface drainage apparatus |
11/09/1995 | DE4415715A1 Binding element for underground piping at access shafts |
10/31/1995 | US5462383 Housing device for fitting in the pavement |
10/25/1995 | EP0678631A2 Vacuum valve controller for vacuum sewer system |
10/18/1995 | EP0677622A2 Drainage channel installable in a floor |
10/17/1995 | US5458155 System and method for slipliner renovation of semi-elliptical conduits |
10/11/1995 | EP0676273A2 Connection arrangement for plastic plates |
10/04/1995 | EP0675237A2 Reinforced concrete gutter element and gutter |
09/28/1995 | DE4409886A1 Method of repairing joints in inaccessible water pipes |
09/26/1995 | US5453130 Recording places of potential blockage due to plant roots, grease, grit, forming a database |
09/26/1995 | US5452967 Pipe laying system and method |
09/20/1995 | EP0672799A2 Plastic branching unit for canals |
09/08/1995 | WO1995023940A1 Process for producing tight joints for domestic connector pipes and similar feed pipes in sewers |
09/08/1995 | CA2184601A1 Process for producing tight joints for domestic connector pipes and similar feed pipes in sewers |
09/06/1995 | CN1029703C Vacuum siphon for sewer pipe |
09/05/1995 | US5447665 Method of removal of replacement pipe installed in an existing conduit |
08/31/1995 | DE4343788C1 Management of waste water arising over a region |
08/23/1995 | EP0668408A1 Gutter and fixable gutter element |
08/22/1995 | US5443327 Method and apparatus for forming a lined trench |
08/16/1995 | EP0666944A1 Apparatus for forming a multi-walled containment trench |
08/09/1995 | EP0666378A1 Device at discharge chute |
08/04/1995 | CA2124527A1 Robotic cutter |
08/03/1995 | DE4403159A1 Drainage channel with grating and frame |
07/20/1995 | WO1995013434A3 Drainage system |
07/20/1995 | DE4400742A1 Device for repair of domestic sewage connections |
07/06/1995 | DE4344862A1 Repair or renovation of drain and sewage pipes |
06/27/1995 | US5427154 Method for grouting pipe liners |
06/21/1995 | CN2201435Y Drainage system tubeware for grand building |
06/13/1995 | US5423343 Method and apparatus for making sewage pipe connections |
06/08/1995 | WO1995015460A1 Element for renovating ducts, drainage pipes, garbage dumping pipes and the like |
06/08/1995 | DE4341397A1 Controlled floor drainage system useful in catering kitchens, slaughterhouses, laundries and electroplating plant |
06/07/1995 | EP0655969A1 Improvements relating to the lining of pipelines and passageways |
05/18/1995 | WO1995013434A2 Drainage system |
05/17/1995 | EP0653524A2 Ejector device |
05/12/1995 | CA2135331A1 Ejector device |
05/10/1995 | EP0652330A2 Concrete containing molded object for gutters, gullies and the like, and method of making the same |
05/10/1995 | EP0651839A1 Drainage channel |
05/09/1995 | CA2036390C A pipe joint for driving pipes laid underground by the driving technique |
04/27/1995 | DE4336435A1 Device for repairing a pipeline |
04/19/1995 | EP0648901A1 Method and device for connecting road gullies with a rainwater channel or a sewer |
04/13/1995 | WO1995010006A1 Improvements in pipe lining |
04/13/1995 | WO1995009725A1 Method and device for lining a tube |
04/06/1995 | DE4401617C1 Structural part with a body consisting of synthetic-resin concrete |
04/05/1995 | EP0646204A1 Drywell cover and drywell |
04/04/1995 | US5403122 Process, in particular to install sewer pipes and a device to carry out the process |
04/04/1995 | US5403120 Method of installing a substantially rigid thermoplastic pipe in existing main and lateral conduits |
03/30/1995 | WO1995008436A1 Wastewater system rehabilitation using multi-layer liner |
03/30/1995 | DE4332529A1 Pipeline |
03/30/1995 | DE4322176C1 Closure for the pipe opening into a collector |
03/23/1995 | WO1995008075A1 Improvements relating to the lining of pipelines or passageways |
03/22/1995 | EP0643789A1 System and process for relining channel pipe sections. |
03/22/1995 | EP0643788A1 System and process for relining channel pipe sections with inspection facilities. |
03/22/1995 | CN1100493A method for laying well and pipe line directly on top pipe line |
03/21/1995 | US5399047 Trench forming assemblies having enhanced anchoring means |
03/16/1995 | DE4429457A1 Gutter body |
03/16/1995 | DE4331367A1 Inner socket for sealing pipe joints in pipelines, and sealing process |
03/15/1995 | CN2191886Y Iron casting drain pipe with flexible pipe connection for high stories building |
03/14/1995 | US5397513 Method for installing a length of substantially rigid thermoplastic pipe in an existing conduit |
03/08/1995 | EP0641897A1 Housing device for fitting in the pavement |
03/02/1995 | WO1995006088A1 Improved structural strength coating and material |
03/02/1995 | DE4328618A1 Process for renewing underground pipes and conduits |
03/02/1995 | DE4328536A1 Rotary nozzle |
03/02/1995 | DE4328479A1 Drainage-gutter system |
03/01/1995 | EP0640727A1 Method and device for connecting and sealing a branch pipe to a main pipe which is to be reconstructed with a plastic inliner |
03/01/1995 | EP0620836A4 Deteriorated structure repair method and substratum for restoring and lining corroded structure. |
02/28/1995 | US5393171 Trench forming assembly and method |
02/23/1995 | DE4327659A1 Gutter |
02/22/1995 | EP0639676A1 Gutter to be embedded in the ground |
02/21/1995 | US5390960 Conduit branch fitting for fluid main line |
02/15/1995 | CN2189624Y Three-way two-purpose trap |
02/14/1995 | US5389692 Blend of polymer and surfactant |
02/14/1995 | US5388929 Method of renovating and/or protecting sewers or pipes |
02/02/1995 | DE4325272A1 Process and device for connecting street gulleys to a rainwater or sewage duct |
02/01/1995 | EP0355153B1 Liquid level control system |
01/31/1995 | US5385173 Pipe liner composition |
01/25/1995 | CN2188116Y Vertical drain pipe with built-in ventiduct and air swirl device |
01/11/1995 | CN2187198Y Sewer pipe-line bend |
01/10/1995 | US5380121 Slotted drain |
01/10/1995 | US5379803 Apparatus for the abandonment of a branch main |
12/22/1994 | WO1994029098A1 Improvements relating to the lining of pipelines and passageways |
12/22/1994 | CA2142183A1 Improvements relating to the lining of pipelines and passageways |
12/14/1994 | CN1096245A Improvements relating to the lining of pipelines and passageways |
12/13/1994 | US5372457 Method and apparatus for installing drainage channels |
12/08/1994 | WO1994028344A1 Pipe liner composition |
12/08/1994 | WO1994027750A1 Hydraulic pipe cleaning and root cutting apparatus |
11/30/1994 | CN1095783A Indoor installation of water supply and sewerage facilities |
11/29/1994 | US5368809 Method of installing a new pipe inside an existing conduit by progressive rounding |
11/29/1994 | US5368423 Robotic cutter |
11/22/1994 | US5366318 Sump assembly |
11/10/1994 | WO1994025695A1 Process for lining a channel and fitting and withdrawal slide for implementing it |
11/10/1994 | WO1994025694A1 Drainage channel |
11/10/1994 | DE4315119A1 Plug-in socket seal which can be concreted into a pipe socket |
11/10/1994 | DE4314953A1 Concrete pipe, in particular slit concrete pipe or slit concrete gutter |
11/10/1994 | CA2161889A1 Process for lining a channel and fitting and withdrawal slide for implementing it |
11/08/1994 | US5362112 Pipe joint construction and coupling therefor |