| 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F16L 7 - Supporting pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic (1,189) |
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| 12/05/2000 | US6156973 Foam covered tube for wiring harnesses |
| 11/08/2000 | EP1050091A1 Protective tubular sheath with longitudinal slit |
| 11/07/2000 | US6143988 Coiled tubing supported electrical cable having indentations |
| 10/17/2000 | US6131960 Packing sealed expansion joint |
| 10/17/2000 | US6131614 Convoluted protective hose |
| 09/27/2000 | CN1056907C Apparatus for movement along underground passage and method using the same |
| 09/20/2000 | EP1036643A1 Method for producing heat insulated pipes |
| 09/20/2000 | CN2397333Y Underground heat supply pipeline built-in fixed support |
| 09/19/2000 | US6120066 Split tube junction form and method of use |
| 08/15/2000 | US6103031 Continous power/signal conductor and cover for downhole use |
| 08/09/2000 | CN2391073Y Internal fixing support for direct-buried compound thermal insulation heat distribution pipeline |
| 08/03/2000 | WO2000045491A1 End seal assembly for a splice case |
| 08/03/2000 | CA2357051A1 End seal assembly for a splice case |
| 07/19/2000 | EP1020678A1 Cryogenic fluid transfer line and its use for the transfer of liquid helium |
| 07/19/2000 | CN2388454Y Supporting device for use in pipeline |
| 07/19/2000 | CN1260902A Pressure tube spacer |
| 07/11/2000 | US6087595 Connection sleeve for a hose furnished with a protective covering for strain-relieved electrical conductors |
| 07/05/2000 | CN2386295Y Universal abrasion-resistant plate |
| 06/28/2000 | EP1011960A1 Process and device for procucing a flexible hose combination |
| 06/22/2000 | CA2292822A1 Sub sea and sub surface tubing and conductors |
| 06/20/2000 | US6076863 Coupling assembly for multi-duct conduits |
| 05/17/2000 | CN2378602Y Cross-road sleeve of underground direct-buried heat distribution pipeline |
| 05/16/2000 | US6062271 Polymethylpentene cable liner |
| 05/16/2000 | US6062252 Stabilizer for gas line meter |
| 05/10/2000 | EP0852683B1 Coupling assembly for multi-duct conduits |
| 05/09/2000 | US6059319 Apparatus for forming field joints on plastic coated pipe |
| 04/20/2000 | WO2000022340A1 Flexible protective sleeve |
| 04/20/2000 | DE19844555A1 Centering device within hollow body positions further component radially to hollow body on wall of which it supports, hollow body being cylinder tube for container tube of vibration damper, device being formed by centering ring |
| 03/15/2000 | EP0985865A2 Spacer for pipelines |
| 03/01/2000 | CN2366647Y Pipe with multiple holes |
| 02/29/2000 | US6029712 Chemical and biological agent resistant hose for gas transmission and personnel protection |
| 02/17/2000 | DE19826155A1 Cable, line and/or conduits laying system especially for unpatrollable underground sewer pipes |
| 02/10/2000 | WO2000006843A1 Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft |
| 02/03/2000 | DE19835032A1 Supply cable, e.g. for sea bed work stations, comprises at least two chambers which extend in the longitudinal direction, and a carrier section composed of a chain |
| 01/18/2000 | US6015015 Insulated and/or concentric coiled tubing |
| 01/11/2000 | US6012495 Corrosion protection for subsea lines |
| 01/11/2000 | US6012480 Cover assembly for covering undersink piping utilizing sliding cover pieces |
| 12/15/1999 | EP0964106A1 Method for renovating inaccessible pipes and renovated pipe |
| 12/07/1999 | US5996689 Conduit and continuous coiled tubing system |
| 12/07/1999 | US5996638 Spacer block for an elongated substrate |
| 11/30/1999 | US5992468 Cable anchors |
| 11/25/1999 | WO1999051851B1 Coil springs for cable support |
| 11/24/1999 | EP0826124B1 Annular separators for double walled pipe structures |
| 11/09/1999 | US5979909 Environmental sealing |
| 10/28/1999 | WO1999055120A1 Apparatus for forming field joints on plastic coated pipe |
| 10/26/1999 | US5971667 Apparatus for movement along an underground passage and method using same |
| 10/19/1999 | US5967194 Self-sealing tubing |
| 10/14/1999 | WO1999051851A1 Coil springs for cable support |
| 10/05/1999 | US5960820 Cover assembly having rapid installation features for covering undersink piping |
| 09/16/1999 | DE19810106A1 Angled pipe section, e.g. for accommodating electric cables |
| 09/09/1999 | DE19902057A1 HV cable gland device useful for permanent sealing of cooled HV cable |
| 08/31/1999 | US5944361 Secondary containment for underground storage tank riser |
| 08/26/1999 | WO1999042865A1 Tightening strip with tension locking system |
| 08/18/1999 | EP0936479A1 Lining with tension fastener |
| 07/29/1999 | WO1999038236A1 Protective tubular sheath with longitudinal slit |
| 07/29/1999 | CA2318280A1 Protective tubular sheath with longitudinal slit |
| 07/06/1999 | US5920032 Continuous power/signal conductor and cover for downhole use |
| 06/29/1999 | US5915412 Cover assembly for covering undersink piping |
| 06/23/1999 | CN2325611Y Apparatus for lining pipeline |
| 06/16/1999 | EP0712472B1 A floor structure with multiple channel means |
| 06/09/1999 | CN2323224Y Shaped plastic downpipe and conductor pipe |
| 05/11/1999 | US5901962 Environmental sealing |
| 05/11/1999 | US5901739 Cover assembly with integral securing apparatus for covering undersink piping |
| 04/28/1999 | CN1215136A Support of pipe inside |
| 04/06/1999 | US5892806 Pressure tube spacer |
| 03/23/1999 | US5884384 Method for installing a tube or a bundle of tubes in an existing tubular duct |
| 03/16/1999 | US5882045 Secondary containment for underground storage tank riser |
| 03/10/1999 | EP0683845B1 Drill pipe |
| 01/27/1999 | EP0893573A2 Cable anchors |
| 01/26/1999 | US5862834 Pipe support for permitting lateral and longtudinal movement of an inner pipe relative to an outer pipe in a double-containment pipe assembly |
| 01/19/1999 | US5860453 Annular separators for double walled pipe structures |
| 12/30/1998 | EP0886741A1 Convoluted protective hose |
| 12/23/1998 | WO1998058388A1 Pressure tube spacer |
| 12/16/1998 | EP0884516A1 Plastic pipe, in particular used for supporting cables or pipes and coil of such a pipe |
| 12/08/1998 | US5845668 For replacing an existing service pipe carrying fluid to an outlet |
| 11/11/1998 | EP0877191A2 Coupling sleeve for a hose with a protective sheath for strain-relieved electrical conductors |
| 11/03/1998 | US5829210 Floor structure |
| 10/28/1998 | CN1197508A Coupling assembly for multi-duct conduits |
| 10/22/1998 | DE19817343A1 Metal spacer for pipes forming especially central heating flue passing through house loft |
| 10/21/1998 | CN2295097Y Water-resisting device for communication pipeline |
| 10/13/1998 | US5821452 Coiled tubing supported electrical cable having clamped elastomer supports |
| 09/23/1998 | EP0866259A2 Spacer for an elongated substratum |
| 09/08/1998 | US5803127 Coaxial piping systems |
| 08/19/1998 | EP0859440A1 Plastic corrugated pipe with a longitudinal slit |
| 08/04/1998 | US5788414 Method for forming an opening in a wall |
| 07/21/1998 | US5782498 Sealing flange, in particular for internal lining of pipes |
| 07/15/1998 | EP0852683A1 Coupling assembly for multi-duct conduits |
| 05/22/1998 | WO1998021024A1 Process and device for procucing a flexible hose combination |
| 05/14/1998 | DE19646364A1 Cable bushing for insulated conductors used in building structures |
| 05/07/1998 | DE19745369A1 Sleeve holding inner pipe centred in outer pipe |
| 05/07/1998 | DE19725757C1 Spacer for pipe carrying medium accommodated in protective pipe |
| 04/28/1998 | US5743302 Flow line segment with non-metallic pipe collar |
| 04/14/1998 | US5738357 For use in replacing an existing fluid-carrying pipe with a replacement |
| 04/07/1998 | US5735350 Methods and systems for subterranean multilateral well drilling and completion |
| 03/04/1998 | EP0826124A1 Annular separators for double walled pipe structures |
| 03/04/1998 | CN1174954A Small pipe track fixing structure |
| 02/10/1998 | US5715587 Method of assembling double-containment piping assemblies |
| 01/29/1998 | DE19630185A1 Holder for supply pipes |
| 01/27/1998 | CA2037048C Extension tube and internal jacketing conduit assembly |
| 12/30/1997 | US5701929 Cover assembly having rapid installation features for covering undersink piping |