Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 39 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
Patents for F16L 39 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies (3,760)
10/1992
10/05/1992CA2107563A1 Double containment pipe joint assembly
10/05/1992CA2107562A1 Elbow fittings for double containment pipe assemblies
09/1992
09/29/1992US5150926 Double pipe connection on plastic pipes
09/23/1992EP0504395A1 Duct joint link assembly
09/22/1992US5148929 Multi-coupling device for crane hydraulic lines
09/16/1992CN1064533A Anti-corrosive rotary joint
09/15/1992US5146766 Anchor plate for fastening inlet and outlet branches of an evaporator
09/10/1992DE4107652A1 Double-walled pipe coupling - has one pipe expanded to enclose other, and has elastic seals sealing ring chamber between two pipes
09/10/1992DE4105812A1 Housing for double-chamber distributor - consists of two L=shaped profiles and one Z-profile, welded together
09/08/1992CA1307304C Seal
09/02/1992EP0501062A1 Anti-corrosive rotary joint
09/02/1992CN1018076B Drill pipes and castings utilizing multi-conduit tubulars
08/1992
08/29/1992CA2051001A1 Anti-corrosive rotary joint
08/27/1992DE4040878C1 Ball joint supporting hydraulic rams etc - has 2 independent flow ducts, with 2 part-ducts in second flow duct, passing each through joint arm
08/25/1992US5141261 Double containment pipe joint assembly
08/25/1992US5141256 Double containment pipe assembly access housing
08/25/1992US5141184 Universal centering support device for double containment pipe assemblies
08/20/1992DE4104281A1 Feeder for conveying fluid or gas to machine part - consists of stationary feeder, with rotary transmission, and axial pipe sections
08/19/1992EP0498868A1 Coupling in a system of separation
08/12/1992EP0498146A2 Swivelling lead-through for two different fluids
08/11/1992US5137306 Multiple-duct conduit system with expansion chamber coupling
08/04/1992US5135265 Multiple passage conduit assembly
07/1992
07/16/1992DE4123075A1 Distributor for thick material carried along pipes - consists of branch pipe with outlet pipes, and two outlet holes, with closure surface
07/08/1992EP0493467A1 A twist coupling for vacuum pipes.
06/1992
06/16/1992CA1303466C Recirculating oil lubrication system for rotary ring log barkers
06/10/1992EP0489137A1 Production pipe having an integrated hydraulic line.
05/1992
05/24/1992CA2055348A1 Twin hose coupling
05/20/1992EP0485437A1 Means for hose clamp replacement.
05/12/1992US5112088 Duct joint link assembly
05/05/1992US5110162 Anti-corrosive rotary joint
05/05/1992US5110159 Rotating union for supplying compressed air to a rotating part of a printing press
05/05/1992US5110049 Rotatable boom system for dispensing fluids
04/1992
04/30/1992WO1992007212A1 Duct joint link assembly
04/30/1992DE4031879A1 Superconducting coil concentric cooling pipeline coupling section - has concentric elements between separation zones for removal from pipeline
04/28/1992CA1299545C Light weight flexible coaxial vapor recovery hose
04/22/1992EP0481871A1 Flange for the connection of the inlet and outlet tubes of an evaporator
04/16/1992DE4037308C1 Multiple pipeline coupling with interconnected tubular members - which are linked by flexible holder in releasable manner
04/14/1992US5104154 Swivel joint
03/1992
03/31/1992US5099874 Residential waste water disposal system
03/25/1992EP0464027A4 Flexible double-containment piping system
03/24/1992US5098221 Flexible double-containment piping system for underground storage tanks
03/24/1992US5098006 Header jig
03/18/1992EP0485437A4 Means for hose clamp replacement.
03/17/1992US5096232 Apparatus for the rapid and the air and water tight joining of pipes
03/12/1992DE4027623A1 Rotary joint with sealing rings in stator - thrust by medium in radial direction to prevent passage of medium except when rotor is not moving
03/05/1992WO1992004573A1 Coupling in a system of separation
03/05/1992CA2073023A1 Coupling in a system of separation
02/1992
02/20/1992DE4039724C1 Protective threaded retainer for cable, lead or hose - has pressure nut with collar for fitting protective hose e.g. against coolant spray from machine
02/18/1992US5088774 Coupling for interconnection of coaxial tubing
02/18/1992US5088519 Device for connecting two conduit parts
02/13/1992DE4027414C1 Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves
02/11/1992US5087308 Method of connecting pipes of plastics material of a double pipe system
02/04/1992US5085471 Double containment pipe joint assembly
01/1992
01/29/1992EP0468614A1 Pivotable connection for fluid operated tool
01/22/1992EP0466859A1 Pipework for constructing a ground water measuring point.
01/15/1992CN1057895A Air-controlled rotary joint
01/14/1992CA1294227C Pipeline joint protector
01/09/1992WO1992000437A1 Production pipe having an integrated hydraulic line
01/08/1992EP0464027A1 Flexible double-containment piping system
01/07/1992US5078432 Multiple duct conduit and couplings
01/05/1992WO1992001139A1 Radially deformable tube consisting of several releasably connected sections
01/05/1992CA2086558A1 Radially deformable tube consisting of several releasably connected sections
12/1991
12/10/1991US5071390 Shaft with fluid transfer structure
12/10/1991US5071172 Fluid direction tube insertion assembly and insertion method
11/1991
11/28/1991DE4017003A1 Coupling for bundle of flexible hoses - has coupling nut which can be retracted behind hose nipples
11/27/1991EP0423237A4 Quick disconnect coupling for use with boom mounts and/or tooling mounts
11/13/1991EP0455972A1 Supporting device for the simultaneous coupling of several parallel arranged fluid connectors
10/1991
10/31/1991WO1991016124A1 Modular microporous filter assemblies
10/30/1991EP0454259A1 Mobile mixing and dispensing device for animal feed
10/29/1991US5060861 Coaxial paint hose and supply system
10/27/1991CA2041088A1 Mobile mixing and dispensing device for animal feed
10/15/1991US5056828 Modular, multi-passage rotary coupling for transferring fluids
10/11/1991WO1991015705A1 Connecting element
10/11/1991CA2060321A1 Connecting element
10/08/1991US5054818 Joining and connecting block between flexible elastomer material ducts
10/08/1991US5054523 Containment system for flexible underground piping
10/02/1991EP0448730A1 Sealed head for the transfer of a heat transfer medium to a rotary presssure system
09/1991
09/11/1991EP0446179A1 Double pipe connection for plastic pipes
09/11/1991EP0446123A1 Temporary alternative connection installation between multiple fluid entries and exits
09/07/1991CA2037237A1 Double pipe connection on plastic pipes
09/03/1991US5044673 Rotary connector
08/1991
08/22/1991WO1991012410A1 Pipework for constructing a ground water measuring point
08/20/1991CA1287785C Bending machine
07/1991
07/19/1991WO1991010861A1 Fluid couplings
07/04/1991DE4000054A1 Double hose winch for hydraulic appliances - has support frame, two hose winches, middle shaft and distributor system
07/03/1991EP0435164A1 Rotating transformer for the introduction of compressed air into a rotating part of a printing machine
06/1991
06/25/1991US5025834 Mounting plate storing conductor function
06/11/1991US5022686 Rotating union for two different fluids
06/11/1991US5022685 Secondary containment system and method
06/05/1991EP0430626A1 Fitting for multiple lines
05/1991
05/29/1991EP0429411A2 Teed valve
05/29/1991DE3936588C1 Coupling for plastics pipes - has radially insertable half shells mounted between ends of outer pipes
05/29/1991DE3936587C1 End fitting for plastics pipes - has elastomeric seal with pair of sealing lips accommodating axial movement
05/29/1991CA2029792A1 Connector for multiple lines
05/14/1991US5015016 Internal pressure loaded V-seal connector
05/14/1991US5014743 Double-pipe pipe coupling
04/1991
04/30/1991US5011193 Device for the tight, dismantlable coupling of two tubes, particularly for a fuel transfer installation
04/27/1991CA2017947A1 Rotary swivel for cab heating system
04/24/1991EP0423237A1 Quick disconnect coupling for use with boom mounts and/or tooling mounts.
04/16/1991CA1283141C Anesthesiology connector
1 ... 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38