Patents for F16L 39 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies (3,760) |
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04/09/1991 | US5005735 Dispensing apparatus for operating double cartridges |
04/09/1991 | US5005613 Light weight flexible coaxial vapor recovery hose |
03/19/1991 | WO1991004436A1 A twist coupling for vacuum pipes |
03/19/1991 | US5000491 Means for hose clamp replacement |
03/19/1991 | US4999900 Method for installing product monitoring device in underground storage tanks |
03/19/1991 | CA2066251A1 Twist coupling for vacuum pipes |
03/12/1991 | US4998781 Brake device for a hydraulic vehicle brake system |
03/05/1991 | US4996961 For an internal combustion engine |
02/27/1991 | EP0414589A2 Double-wall system for a water containment |
02/26/1991 | US4995646 Connector for multiple lines |
02/26/1991 | CA1280781C Coupling arrangement |
02/21/1991 | WO1991002187A1 Means for hose clamp replacement |
02/21/1991 | DE3925293A1 Detachable connection for pipe with plug - is for pressurised medium, and has holder groove, attachment, seal, deflecting groove, and holder ring and plate |
02/14/1991 | DE3926435A1 Tubular connection between two fluid filled receptacles - consists of coaxial connecting fitments with support or extension, metal housing or bushing |
02/06/1991 | EP0190263B1 High pressure product swivel |
02/05/1991 | US4989831 Coupling device |
01/31/1991 | DE4022769A1 Multiple coupling for pipe lines - has radially elastic detent engaging in groove in housing of coupling |
01/15/1991 | US4984827 Concentric piping flex joint |
01/10/1991 | DE3921193A1 Pipe connection for double walled pipes - consists of pipe casing with seal, tension piece, locking pieces |
01/09/1991 | EP0406818A1 Method for connecting plastic pipes in a double pipe system, and joint produced by that method |
01/03/1991 | DE4019987A1 Fluid coupling with main cylindrical part - has pivot-mounted shaft and flow duct, with three stepped inner parts and pressure reducing chamber |
12/19/1990 | EP0403345A1 Connecting device between two parts of conduit |
12/18/1990 | US4978148 Coupling for multi-passage tube |
12/11/1990 | CA1277690C Rotary joint with balanced seals |
11/20/1990 | US4971477 Secondary contained fluid supply system |
11/14/1990 | EP0396905A1 Coupling sleeve for manifold pipe connections and corresponding manifold pipe |
11/07/1990 | EP0396451A2 Swivel joint |
10/30/1990 | US4966396 Connection device |
10/24/1990 | EP0393833A2 Connection device |
10/09/1990 | US4961445 Connecting device for connecting liquid consumer to liquid source |
10/09/1990 | CA1275128A1 Pipe coupling |
10/02/1990 | CA1274769A1 Multi-path fluid swivel |
09/19/1990 | EP0388118A2 Rotating union with carbon graphite labyrinthine seal |
09/13/1990 | CA2011995A1 Rotating union with carbon graphite labyrinthine seal |
08/28/1990 | US4951665 Insulating, anti-kinking Y connector for arthroscopic surgery and method of making |
08/21/1990 | US4949656 Distribution manifold for mobile span-and-tower irrigation systems |
08/16/1990 | EP0382485A2 Insulating anti-kinking Y connector for arthroscopic surgery and method of its manufacture |
08/14/1990 | US4948369 Connector assembly |
08/09/1990 | DE3903565A1 Plug-in opening of a component which receives a plurality of individual lines one beside the other |
08/08/1990 | CA2008708A1 Insulating anti-kinking y connector for arthroscopic surgery and method of making |
08/01/1990 | EP0379812A1 Connecting and joining block between pipelines made of soft and elastomeric material, process and device for manufacturing the same |
07/17/1990 | US4941349 Coaxial coiled-tubing cable head |
07/12/1990 | WO1990007674A1 Flexible double-containment piping system |
07/10/1990 | US4940182 Rotary swivel for cab heating system |
07/10/1990 | US4939923 Method of retrofitting a primary pipeline system with a semi-rigid pipeline |
07/03/1990 | US4938509 Multiple port fluid coupler |
07/03/1990 | US4938251 Universal hose adapter for gasoline pump |
06/28/1990 | WO1990007074A1 Secondarily contained fluid supply system |
06/26/1990 | CA1270777A1 Three-way connector for liquid exchange |
06/21/1990 | DE3941236A1 Connecting pipe for flow circuit - consists of pipe and sleeve with rapid closure piece |
06/19/1990 | US4934744 Rotary joint for conveying feedwater |
06/06/1990 | CN1042761A Device for interchangeable connection |
05/29/1990 | US4928997 Rotating union with carbon graphite labyrinthine seal |
05/29/1990 | US4928530 Pressure transducer |
05/23/1990 | DE3844662A1 Means of securing a hollow-shaft bearing arrangement |
05/22/1990 | US4926571 Connection for connecting compressed-air lines |
05/16/1990 | EP0368024A2 Rotating lead-through for two different fluids |
05/09/1990 | EP0366966A1 Brake device for a hydraulic vehicle brake installation |
05/08/1990 | US4922971 Hose assembly, clip therefor and method of making the same |
05/03/1990 | WO1990004736A1 A union between outer protective pipes of a double-pipe system |
05/01/1990 | US4921010 Swivel connector |
04/26/1990 | DE3836326A1 Connecting piece for connecting at least two pipelines which run in different directions and consist, in particular, of thermoplastic, and a process for producing the connecting piece |
04/11/1990 | EP0363328A1 Machine tool spindle |
04/10/1990 | US4915419 Sliding lock plate for hydraulic connectors |
03/28/1990 | EP0360632A1 Method for the guide and leak-proof connection of pipes |
03/21/1990 | EP0358852A1 Device for transporting a fluid |
03/20/1990 | US4909669 Pipeline joint protector |
03/08/1990 | WO1990002289A1 Pipe swivel joints |
02/13/1990 | US4900065 Quick-connect fluid coupling |
02/01/1990 | DE3825313A1 Device for fastening pressure hoses in connection bores |
01/25/1990 | WO1990000515A1 Quick disconnect coupling for use with boom mounts and/or tooling mounts |
01/23/1990 | CA1264574A1 Swivel for an illuminated dental handtool |
01/17/1990 | EP0351155A2 Expandable manifold for water delivery system |
12/13/1989 | EP0345283A1 Concentric piping flex joint |
12/12/1989 | US4886305 Double containment pipe fittings and apparatus to adhesively install the same |
12/07/1989 | DE3819086A1 Apparatus for the line conduction of power station flue gases |
11/14/1989 | US4880259 High-temperature-resistant type coupling |
11/09/1989 | DE3814176A1 Double-walled pipeline comprising a multiplicity of lengths of pipe which are connected to one another on the end sides |
11/07/1989 | US4878694 Method and device for the remote positioning of an elbow coupling |
10/24/1989 | US4875716 Jointed pipe connection, particularly for automotive exhaust pipes |
10/04/1989 | EP0335223A1 Connection piece for joining an inaccessible main to a lateral pipe |
10/03/1989 | US4871196 Double shield fitting |
10/03/1989 | US4870856 Split fittings useful in forming a secondary semi-rigid pipeline over primary pipelines |
09/21/1989 | DE3815992A1 Device for channelling a flow medium |
09/12/1989 | US4865354 Conduit coupler |
08/30/1989 | EP0329805A1 System of pipes with a double path conduit |
08/22/1989 | US4858962 Articulated joint |
08/22/1989 | US4858961 Rotary joint |
08/16/1989 | EP0328094A2 Doublewalled pipe and connection of coaxial doublewalled pipe sections by means of a connection piece consisting of such a doublewalled pipe |
08/08/1989 | US4854615 Metal sealed joint for large diameter rocket motor casings |
08/08/1989 | US4854612 Tire building drum shaft connection |
07/26/1989 | EP0324903A2 Removable connection of an armature with a conduit |
07/25/1989 | US4850616 Flexible joint capable of use in the O'Connor combustor coaxial piping |
07/18/1989 | US4848391 Expandable manifold for water delivery system |
07/05/1989 | EP0323337A1 Connection device for hoses on whichever element, and element provided with this device |
07/04/1989 | US4844514 Rotary joint device for a cryogenic liquid |
07/04/1989 | US4844201 Recirculating oil lubrication system for rotary ring log barkers |
06/28/1989 | EP0322358A1 Distribution device for several fluids in multiple conduits |
06/14/1989 | EP0319662A2 Spindle head |
06/13/1989 | US4838079 Multi-channel pipe for monitoring groundwater |