| Patents for F16L 7 - Supporting pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic (1,189) |
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| 08/03/2005 | CN1213243C Sleeve with integral fasteners |
| 07/21/2005 | WO2005066532A1 Liquid transfer pipe and liquid transfer system |
| 07/21/2005 | US20050155352 Multiple sectioned duct |
| 07/14/2005 | US20050150983 Flexible hose device for spraying purposes |
| 06/15/2005 | EP1540670A2 Cable guide sleeving structure |
| 06/15/2005 | EP1540221A1 Method for curing a thermocurable matrix |
| 06/09/2005 | WO2005051682A2 Valve for a non-refillable pressurized container |
| 05/31/2005 | US6899124 Antifreezing guard |
| 05/26/2005 | US20050109974 Valve for a non-refillable pressurized container |
| 05/25/2005 | EP1533467A2 Multilateral well drilling and completion method and apparatus |
| 05/25/2005 | DE102004019246B3 Pipe system carrying especially gaseous medium has in larger diameter outer pipe a radially extending connecting element formed as closed ring from extruded wire with ends permanently interconnected by welding |
| 05/24/2005 | US6896004 Two-piece casing spacer for use with pipes of various diameters |
| 05/24/2005 | US6895991 Lightweight pneumatic valves capable of withstanding the hostile environment generated from solid propellant or other propellants such as those used in rocket/missile applications ; does not need fins as its primary steering mechanism |
| 05/19/2005 | US20050103489 Heated windable rigid duct for transporting fluids, particularly hydrocarbons |
| 05/19/2005 | US20050103393 Tubular insulating apparatus and method |
| 05/18/2005 | CN2700672Y Protective pipeline supporting rack |
| 05/17/2005 | US6893733 Modified contoured crushable structural members and methods for making the same |
| 04/28/2005 | US20050089707 Shaped contoured crushable structural members and methods for making the same |
| 04/12/2005 | US6879760 Installation bundle with spacer |
| 04/05/2005 | CA2258339F Coupling assembly having enhanced axial tension strength and method of installation of coupled underground duct |
| 03/31/2005 | WO2005028941A1 Method for modification of a pipe comprising insertion of a replacement pipe into a host pipe |
| 03/31/2005 | WO2005028938A1 Improved spacing and centring device for a rigid double-wall duct with a low heat transfer coefficient |
| 03/31/2005 | WO2004088198A3 Pipeline trench system and method of construction |
| 03/31/2005 | DE10341005A1 Device for sealing, lifting objects and securing goods during transport and storage comprises a flat-hose cushion with a required length and a pressure resistant closure section at each end |
| 03/24/2005 | US20050062235 Annular seal |
| 03/17/2005 | DE10340903A1 Device for fixing household pipes in buildings has central ring for holding pipe and supported by external rings of adjustable diameter which project radially from central ring |
| 03/16/2005 | CN2685686Y Fixing pier structure for steam pipeline |
| 03/10/2005 | CA2797648A1 Improved seal |
| 03/02/2005 | EP1509720A1 Spacer element and a method for making insulated pipes. |
| 03/02/2005 | EP1509719A1 Seal assembly |
| 02/24/2005 | US20050042034 Pipeline trench system and method of encasing for spill containment |
| 02/16/2005 | CN2679455Y Fixed pipe run of buried heat conveyer tube |
| 02/09/2005 | EP1198336B1 Apparatus and method for producing a multiple channel duct assembly for parallel cables |
| 02/02/2005 | EP1503125A1 Holder for the orderly holding of each tube of a tube bundle |
| 01/27/2005 | US20050019597 Coated contoured crushable structural members and methods for making the same |
| 01/26/2005 | EP1499826A1 Pipe branch for an inlying circulation |
| 01/13/2005 | WO2004020887A3 Sleeve assembly for receiving elongated items within a duct |
| 01/13/2005 | US20050005986 Pipe insert and pipe assembly formed therewith |
| 01/05/2005 | EP1454087A4 Pipe insert and pipe assembly formed therewith |
| 12/30/2004 | US20040261450 Vapour-compression type refrigerating machine and double pipe structure and double pipe joint structure preferably used therefor |
| 12/29/2004 | EP1491714A2 Multilateral well drilling and completion method and appratus |
| 12/09/2004 | US20040245768 Bulkhead assembly for use in pipe-in-pipe systems |
| 12/09/2004 | DE20311837U1 Fixierstück zum geordneten Halten der Einzelleitungen eines Leitungsbündels Fixing piece for the orderly keeping of the individual lines of a line bundle |
| 11/30/2004 | CA2167486C Coiled tubing composite |
| 11/25/2004 | US20040232628 Device for sealing mains of electric and telephone lines and the like |
| 11/23/2004 | US6821638 Shaped contoured crushable structural members and methods for making the same |
| 11/17/2004 | EP1477716A1 Spacer for fluid conveying pipes |
| 11/04/2004 | WO2004094894A2 Pipeline trench system and method of construction |
| 11/04/2004 | DE202004011633U1 Rohrsystem aus wenigstens zwei etwa koaxialen Leitungsrohren Pipe system of at least two substantially coaxial pipes |
| 11/02/2004 | CA2327671C Coil springs for cable support |
| 10/14/2004 | WO2004088198A2 Pipeline trench system and method of construction |
| 10/14/2004 | DE102004004027A1 Dampfkompressions-Kältemaschine und dafür bevorzugt benutzte Doppelrohrkonstruktion sowie Doppelrohrverbindungskonstruktion Vapor compression chiller and preferably used for double tube construction and double pipe joint structure |
| 10/07/2004 | WO2004085123A1 A constructive arrangement in a saw |
| 10/06/2004 | CN1170079C Sleeve structure for buried steel pipeline passing through railway and road section |
| 09/29/2004 | EP1461559A1 Heated windable rigid duct for transporting fluids, particularly hydrocarbons |
| 09/28/2004 | US6796336 Diaphragm system |
| 09/21/2004 | CA2175333C Secondary containment flexible underground piping system |
| 09/10/2004 | WO2004076133A1 Feed line for an automatically guided tool |
| 09/09/2004 | DE10251080B4 Verfahren zum Verlegen einer Rohrleitung und Verlegeeinrichtung zur Durchführung des Verfahrens A method of laying a pipeline, and laying device for performing the method |
| 09/08/2004 | EP1454087A2 Pipe insert and pipe assembly formed therewith |
| 09/08/2004 | CN1527919A Universal support and vibration isolator |
| 08/19/2004 | WO2004044470A3 Pipeline trench system and method of construction |
| 08/10/2004 | US6774311 Multiple channel duct assembly for cables |
| 07/21/2004 | EP1332103A4 Methods and systems for installing cable and conduit in pipelines |
| 07/14/2004 | EP1436539A1 Bulkhead assembly for use in pipe-in-pipe systems |
| 07/06/2004 | CA2316126C Well pump electrical cable with internal bristle support |
| 06/24/2004 | WO2004053378A1 Device for sealing conduits used for electric and telephone lines or similar |
| 06/23/2004 | EP1431642A1 Spacer for positioning an inner tube in an outer tube and assembly of such a spacer and an inner tube and/or outer tube |
| 06/17/2004 | WO2004020888A3 Cable guide sleeving structure |
| 06/01/2004 | CA2142347C Environmental sealing |
| 05/27/2004 | WO2004044470A2 Pipeline trench system and method of construction |
| 05/26/2004 | EP1276583A4 Apparatus for fusing wrap piece to plastic coated pipe |
| 05/25/2004 | US6739598 Seal between a conduit and cable |
| 05/25/2004 | CA2335479C Pipe cage |
| 05/20/2004 | US20040094961 Tubing coupling |
| 05/19/2004 | DE10251080A1 Method and devices for insertion of two parallel positioned big pipes into shaft in order to be joined to already installed sections |
| 05/18/2004 | US6736166 Casing spacer |
| 05/18/2004 | US6736156 Method and system for installing cable in pressurized pipelines |
| 05/13/2004 | DE202004003270U1 Schutzrohr für Versorgungsleitungen Protective tube for supply lines |
| 05/06/2004 | WO2004020887A9 Sleeve assembly for receiving elongated items within a duct |
| 05/06/2004 | US20040084203 Sleeve assembly for receiving elongated items within a duct |
| 05/05/2004 | CN1494642A Bundle of pipes and method for parallel arrangement of pipes according to bore and swivel method |
| 04/29/2004 | WO2002095179A3 Method and apparatus for routing cable in existing pipelines |
| 04/29/2004 | US20040081516 Bundle of pipes and method for parallel arrangement of pipes according to a bore and swivel method |
| 04/29/2004 | US20040081411 Cable guide sleeving structure |
| 04/15/2004 | US20040071429 Installation bundle with spacer |
| 04/13/2004 | US6719018 Underground beverage conduit system |
| 03/30/2004 | US6712556 Method and apparatus for routing cable in existing pipelines |
| 03/23/2004 | US6711328 Installation bundle with spacer |
| 03/17/2004 | CN1482992A Methods and systems for installing cable and conduit in pipelines |
| 03/11/2004 | WO2004020888A2 Cable guide sleeving structure |
| 03/11/2004 | WO2004020887A2 Sleeve assembly for receiving elongated items within a duct |
| 02/25/2004 | EP1390658A1 Method and device for laying a separate channel inside a fluid carrying duct |
| 02/24/2004 | US6695358 Controlled leak cryogenic bayonet pipe spool and system |
| 02/17/2004 | US6691734 Methods and systems for installing cable and conduit in pipelines |
| 02/17/2004 | US6691728 Methods and systems for installing a pipeline within a pipeline |
| 02/12/2004 | WO2004013530A1 Seal assembly |
| 02/12/2004 | WO2004013529A1 Method for curing a thermocurable matrix |
| 02/12/2004 | US20040025952 Universal support and vibration isolator |
| 02/12/2004 | US20040025939 Missile thrust system and valve with refractory piston cylinder |