Patents for F16L 39 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies (3,760) |
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06/13/1989 | CA1255714A1 Sealed fluid swivel joint |
06/06/1989 | US4836305 Drill pipes and casings utilizing multi-conduit tubulars |
05/30/1989 | US4834825 Assembly for connecting multi-duct conduits |
05/24/1989 | EP0317424A1 Coupling device for a body and an axle arranged in that body, and a vehicle suspension cylinder using the device |
05/24/1989 | DE3738305A1 Device for the radial feed of hydraulic fluid and/or cooling fluid to hydraulically actuated switching elements |
05/23/1989 | US4832381 Seal |
05/03/1989 | DE3833684A1 Zweikanalige drehdurchfuehrung zum unabhaengigen beaufschlagen von druckraeumen in umlaufenden systemen Two-channel Floating dredgers to apply independent of druckraeumen in rotating systems |
05/02/1989 | CA1253435A1 Integral buoyant riser |
04/11/1989 | US4819966 Sealing means for a multipath, multipass swivel |
04/06/1989 | DE3731943A1 Remotely controllable device for connecting pipe flanges |
04/06/1989 | DE3731941A1 Remotely controllable device for connecting pipe flanges |
04/06/1989 | DE3731938A1 Remotely controllable device for connecting pipe flanges |
03/21/1989 | CA1251392A1 Sealing means for a multipath, multipass swivel |
03/15/1989 | EP0129548B1 Symmetrically loaded flexible connector having multiple passageways |
03/01/1989 | EP0304425A1 Multi-path fluid swivel |
02/28/1989 | US4808031 Pipeline joint protector |
02/22/1989 | EP0303989A2 Butt connection for two concentric-pipe lengths |
02/21/1989 | US4805943 Rotary/reciprocating seal apparatus |
02/21/1989 | CA1250226A1 Subsea flowline connector |
02/15/1989 | CN1031123A Drill pipes and castings utilizing mult-conduit tubulars |
02/08/1989 | EP0302632A1 Drill pipes and casings utilizing multi-conduit tubulars |
01/25/1989 | CN1030635A Flow speed equalizer for branches of pipe line |
01/18/1989 | EP0299471A2 Liquid respectively gas cycle, particularly for a hot water or a heating water system |
01/17/1989 | CA1248991A1 Chemical agent and water proof connector for liquid conditioned suit interface |
01/10/1989 | US4796924 Coupling for multi-passage tube |
01/10/1989 | US4796615 Connector for esophageal probe |
01/03/1989 | US4794937 Plug coupling |
12/28/1988 | EP0255517B1 Distribution case for heat exchanger, with rapid connection |
12/28/1988 | CA1247379A Coupling for a fuel manifold |
12/22/1988 | DE3718975A1 Connecting device for joining a casing-pipe portion to a counter-flange |
12/21/1988 | EP0295444A2 Pipe connection for a hot fluid conduit |
12/15/1988 | DE3718814A1 Connection member for water meter |
12/13/1988 | US4790699 Air feed tube assembly for a pneumatic chuck |
12/13/1988 | CA1246630A1 Rotatable pipe coupling for a plurality of incoming and a plurality of outgoing pipes |
12/08/1988 | DE3718058A1 Rotary feed for pressure medium |
12/06/1988 | US4789188 For interconnecting two lengths of pipe |
12/06/1988 | CA1246024A1 Bulk syrup delivery system |
11/23/1988 | EP0291753A2 Dispensing device for double compartment cartridges |
11/22/1988 | US4786061 Safety rotary transmission with face seal |
11/15/1988 | US4784410 Concentric piping flex joint |
11/08/1988 | US4782852 Assembly for perfecting fluid distribution in multiple conduits |
11/08/1988 | US4782684 Bending machine |
11/02/1988 | EP0288842A1 Coupling between the air pressure system on board of a floating dredger with the air pressure pipes arranged on the suction pipe |
11/01/1988 | US4781702 Three-way connector for liquid exchange |
11/01/1988 | US4781404 Multi-path fluid swivel |
11/01/1988 | US4781402 Metal chimney assembly |
11/01/1988 | US4781215 Package wrapping machine system |
10/25/1988 | US4779652 Unitary double wall piping system |
10/25/1988 | US4779645 Coupling arrangement |
10/13/1988 | DE3711479A1 Sealing element for creating a sealing connection between two units |
09/13/1988 | US4770207 Fluidic system |
08/23/1988 | US4765658 Fluid box for a heat exchanger, in particular for a motor vehicle, and a rapid action coupling for connecting it to a fluid circuit |
08/18/1988 | DE3703841A1 Pipeline system with two line trains |
08/11/1988 | WO1988005883A1 Concentric piping flex joint |
07/26/1988 | US4759573 Multi-passage swivel joint combining flexible and sliding means |
07/26/1988 | US4759571 Fluid transfer module with multiple flow paths |
07/12/1988 | US4756559 Swivel joint for fluid pipes |
07/06/1988 | CN87205186U Hydraulic lifting device with lining colloid for conveying pulp |
07/05/1988 | US4754813 Tree capless cone seal manifold |
07/05/1988 | US4754782 Hose assembly & clip therefor |
06/28/1988 | US4753268 Double coupling for removably joining twin pipes |
06/01/1988 | EP0269471A1 Hydraulic rotary transfer joint with a stabilised temperature |
06/01/1988 | DE3639524A1 Rotary lead-through for the segmental passage of pressurised fluid |
05/31/1988 | CA1237421A1 Rotary drive coupling |
05/26/1988 | DE3639342A1 Rotary/pivoting lead-through |
05/24/1988 | US4746130 Flat gasket-type seal for placement between machine parts including hydraulic control panels |
05/10/1988 | US4743162 Fluid transfer seal for transferring fluid across a rotating boundary |
05/03/1988 | US4741562 Multi-cell conduit connection joint |
04/19/1988 | US4738187 Self-lubricating hydraulic actuator for power chuck |
04/12/1988 | US4736769 Device for introducing an additive liquid into a carrier liquid flowing in a pipe |
04/07/1988 | DE3632677A1 Revolving hollow clamping cylinder |
03/30/1988 | EP0262081A1 Light weight flexible coaxial vapor recovery hose |
03/22/1988 | US4732414 Joint for coaxial pipe |
03/09/1988 | EP0259236A1 Double connection for the removable joint of twin pipes |
03/08/1988 | US4729773 Unit for degassing liquids |
02/25/1988 | WO1988001358A1 Loading and locking mechanism and seal |
02/11/1988 | WO1988001032A1 Pipeline joint protector |
02/11/1988 | WO1988000924A1 Device for connecting selectively at least one first stationary line for a fluid with a plurality of second stationary lines |
02/10/1988 | EP0255517A1 Distribution case for heat exchanger, with rapid connection. |
02/09/1988 | CA1232627A1 Marine riser coupling assembly |
01/28/1988 | DE3625379A1 Pipe connection piece |
01/27/1988 | EP0254669A1 Metallurgical vessel with tilting trunnion especially steel converter |
01/07/1988 | EP0251882A1 Device and method for positioning and connecting by remote control a curved connector |
01/07/1988 | EP0250424A1 Rapid connection device for a fluid circuit |
12/23/1987 | EP0250369A1 Three-way valve |
12/23/1987 | EP0249831A2 Safety rotary transmission |
11/24/1987 | US4708178 Fluid coupling system |
11/17/1987 | US4706364 Process for connecting an element to one end of a tube of composite material and device thus obtained |
11/11/1987 | EP0245036A1 Fluid flow or pressure transmission device |
11/05/1987 | WO1987006674A1 Multi-path fluid swivel |
10/28/1987 | EP0243037A2 An air feed tube assembly for a pneumatic chuck |
10/21/1987 | EP0241700A1 Rotational and/or swivelling joint |
10/13/1987 | US4699191 Hose coupling mechanism |
10/08/1987 | DE3610947A1 Connection |
10/06/1987 | US4698273 Alternate layers of iron and ferromagnetic iron compounds |
09/24/1987 | DE3609876A1 Swivel |
09/22/1987 | US4694859 Undersea hydraulic coupling and metal seal |
09/15/1987 | US4693079 Multi-partite exhaust gas line |
09/01/1987 | US4690221 Well tubing hanger method and apparatus for use in well control |
08/26/1987 | EP0233302A1 Fluidic system with a measuring device |