Patents
Patents for E03F 3 - Sewer pipe-line systems (3,593)
01/1986
01/22/1986EP0168452A1 Cuff for sealing joints of pipes.
01/14/1986US4564314 Self-propelled continuous concrete pipe-laying machine
11/1985
11/26/1985US4554772 Boot guard for sewer manhole construction
11/21/1985WO1985005136A1 Barrier with internal ducts and construction method
11/13/1985EP0161228A2 Plant for treatment of urban runoff water
10/1985
10/16/1985EP0158042A2 Device for incorporating plastic tubes into sewers
09/1985
09/04/1985EP0153319A1 Apparatus for depositing a membrane within a conduit
08/1985
08/28/1985EP0152408A1 Method of depositing a membrane within a conduit.
08/01/1985WO1985003338A1 Cuff for sealing joints of pipes
06/1985
06/26/1985EP0146331A1 A device and method for removing irregularities in or enlarging an underground duct
05/1985
05/28/1985US4519177 Method for reinforcing tubular ducts
04/1985
04/24/1985EP0138234A1 Apparatus for filling fixed amount of liquid into containers
04/23/1985CA1185905A1 Reinforcing member
04/02/1985US4508355 Gasket suitable for use in sealing exterior of sewer pipe to opening in manhole, and method and system employing same
02/1985
02/28/1985WO1985000870A1 Method of depositing a membrane within a conduit
02/28/1985WO1985000869A1 Apparatus for depositing a membrane within a conduit
02/12/1985US4498807 Drainage channel with means for maintaining proper slope during installation
08/1984
08/21/1984CA1173079A1 Device for contracting pipes
07/1984
07/10/1984US4458904 Seal for use with pipes to be fitted one into another with spigot and socket ends
06/1984
06/19/1984US4455231 Flow regulation device for waste waters
06/13/1984EP0110664A2 Improved method of renovating sewers
06/12/1984CA1168848A1 Acrylate grouting compositions and method for grouting therewith
04/1984
04/17/1984US4442891 Cutters
04/03/1984US4440406 Devices used for the connection of pipes
03/1984
03/14/1984EP0102932A2 Concrete pipe and method for the production thereof
01/1984
01/25/1984EP0098855A1 Method and apparatus for grouting between pipes
12/1983
12/27/1983CA1159347A1 Method and apparatus for providing the inner surface of a pipe with a flexible tubular lining material through a liquid resin under pressure
10/1983
10/05/1983EP0020630B1 Drain pipe
08/1983
08/24/1983EP0086567A1 Pipe replacement
08/23/1983US4400108 Mobile reinforced concrete pipe machine
07/1983
07/21/1983WO1983002490A1 Method and apparatus for grouting between pipes
07/19/1983US4394024 Seal for use with pipes to be fitted one into another with spigot and socket ends
06/1983
06/22/1983EP0081983A2 Reinforcing member
06/21/1983US4389138 Drain pipe
06/14/1983US4388021 Method of and device for making canalization by advancing under pressure a string of sewer pipes
06/14/1983CA1148100A1 Sectionalised hollow tubular body
05/1983
05/24/1983US4384636 Equipment for pulling pipes together
05/18/1983EP0078816A1 Pipe connecting method
04/1983
04/26/1983CA1145148A1 Method and apparatus for removing deflection from plastic pipes
03/1983
03/29/1983US4377984 Connecting assembly for pipe lining equipment
03/09/1983EP0073741A1 Apparatus for the regulation of sewage discharge
01/1983
01/11/1983US4368091 Method for providing the inner surface of a pipe with a flexible tubular lining material through a liquid resin under pressure
12/1982
12/07/1982CA1136954A1 Junction and connection terminal for the service of fixed or mobile premises in particular for the supply of a sanitary unit which may be itself attached to a caravan or a camping-car
12/07/1982CA1136869A1 Drain pipe
12/01/1982EP0065799A2 Device consisting of a plastic sheet for covering concrete walls
11/1982
11/25/1982WO1982004086A1 Pipe connecting method
11/03/1982EP0063616A1 Tubing made of cast-in-situ concrete, and method for its production
10/1982
10/19/1982CA1133962A1 Devices used for the connection of pipes
09/1982
09/15/1982EP0060134A1 Lining of tubular structures
09/15/1982EP0016837B1 Coupling structure for water channels
08/1982
08/31/1982US4347018 Lining or relining of tunnels
08/10/1982CA1129455A1 Sewer chimney
05/1982
05/11/1982US4329083 Methods of laying underground conduits
04/1982
04/20/1982US4325414 Hollow body assemblies
03/1982
03/09/1982US4318835 Magnesium diacrylate, polyol monoacrylate grouting composition and method for grouting joints and/or cracks in sewer conduits therewith
03/09/1982US4318547 Devices used for the connection of pipes
01/1982
01/26/1982US4312605 Method for grouting joints and/or cracks in sewer conduits
01/05/1982US4309128 Method and apparatus for removing deflection from plastic pipes
11/1981
11/03/1981US4298296 Form handling system
08/1981
08/19/1981EP0033940A2 Device for drawing pipes together
06/1981
06/25/1981WO1981001736A1 Pipe of plastic material with bulgings
04/1981
04/15/1981EP0026976A1 Method of and apparatus for restoring the diameter of plastic pipes located in an earth encompassing situ
02/1981
02/25/1981EP0024157A1 Method of lining or relining tunnels and tunnels lined or relined by such a method
01/1981
01/27/1981US4246925 Waste water vacuum conveyance method and apparatus
01/20/1981US4245970 Apparatus having a tubular inflatable bladder and a grout dispensing nozzle for connecting lateral branches to a relined main
01/14/1981EP0022248A1 Hollow body to be composed of separate elements
01/13/1981CA1093421A1 Storm overflow basin
01/06/1981US4243068 Sewer chimney
12/1980
12/23/1980US4240653 Flexible expansion joint
10/1980
10/15/1980EP0016837A1 Coupling structure for water channels
09/1980
09/30/1980US4225434 Storm overflow basin
09/09/1980US4221502 Culvert joint
06/1980
06/12/1980WO1980001180A1 Drain pipe
05/1980
05/28/1980EP0011558A1 Thermoplastic pipe joining method and modular components for use therein
04/1980
04/15/1980US4197908 Apparatus for porting a side wall of a conduit from interiorly thereof
03/1980
03/25/1980CA1074143A1 Injection sealable waterstop and method of installing same
12/1979
12/11/1979CA1067928A1 Oval sewerpipe with internal or end surface alignment marks
11/1979
11/01/1979WO1979000848A1 Coupling structure for water channels
10/1979
10/30/1979US4172799 Conic deflector unit
04/1979
04/24/1979US4150683 Elimination of overflow of sewer systems
03/1979
03/13/1979CA1050289A1 Method and apparatus for anchoring a diaphragm wall in rock or in hard soil
02/1979
02/21/1979EP0000788A1 Draining ditch headwall unit
08/1978
08/15/1978US4106300 Method of making reinforced cast-in-place concrete pipe
07/1978
07/04/1978US4097982 Method and apparatus for joining pipes
02/1978
02/14/1978US4073048 Gasket seal between sewer pipe and manhole opening
11/1977
11/29/1977US4059965 Apparatus for and a method of laying a pipe line
08/1977
08/16/1977US4041665 Injection sealable waterstop and method of installing same
07/1977
07/05/1977US4033613 Locked joint between two pipe elements capable of having an angular deviation with respect to each other
06/1977
06/07/1977US4027902 Joint for culvert sections and the like
05/1977
05/17/1977US4023835 Conformable thin-wall shear-resistant coupling and pipe assembly
05/03/1977US4020639 Oval pipe with a flat base
02/1977
02/22/1977US4009063 Method of lining a pipe
01/1977
01/04/1977US4001358 Apparatus and method for forming a cementitious conduit in situ
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