Patents for F16L 39 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies (3,760)
01/1994
01/25/1994US5280963 For connecting an appliance to a faucet
01/25/1994CA2097366A1 Drill pipe
01/22/1994CA2074283A1 Multiple passage conduit assembly
01/11/1994US5277455 Plastic lined dual containment piping system
01/04/1994US5275446 Twist coupling for vacuum pipes
01/04/1994US5275442 Connecting element
12/1993
12/23/1993WO1993025261A1 Adapter for tube with multiple orifices
12/23/1993CA2138148A1 Adapter for tube with multiple orifices
12/22/1993CN1023252C Anti-corrosive rotary joint
12/22/1993CN1023251C Air-controlled rotary joint compensation system and its compensation method
12/16/1993DE4213876C1 Product-distributor with pipes accommodating go-devil - has stopcocks connecting pipes in first and second sets and second ones downstream through which go-devil can pass
12/09/1993WO1993024731A1 A system for use in offshore petroleum production
12/03/1993CA2070207A1 Air manifold
12/01/1993EP0571563A1 Rotary joint assembly
11/1993
11/24/1993EP0571286A1 Device for quickly connecting either a pipe element to a pipe end or a set of pipe elements to pipe ends
11/24/1993EP0570786A1 Rotating transformer for printing machines
11/23/1993CA1324574C Device and method for remote connection and installation of a welded coupler
11/16/1993US5261704 Air manifold
11/16/1993US5261638 Pipe connection device
11/16/1993US5261460 Fire fighter water manifold
11/11/1993DE4307435A1 Vacuum coating installation incorporating a substrate carrier with rotary drive - with a quasi-hydrostatic bearing system entry for the drive
11/09/1993US5259651 Double wall fittings for use with double wall pipeline systems
11/03/1993EP0567986A1 A cartridged piping-connecting apparatus, and connecting system using the same
10/1993
10/26/1993US5255604 Pressure fluid supply valve assembly
10/19/1993US5253675 Apparatus for connecting double vacuum pipes for conducting cryogenic fluid
10/14/1993WO1993020372A1 Secondary containment flexible underground piping system
10/13/1993EP0564792A1 Manifold connection device for pressurised fluids
10/12/1993US5251938 Adapter pipe fitting for sprinkler or drip-type irrigation systems
09/1993
09/30/1993WO1993019320A1 Water conserving wastewater disposal system
09/30/1993CA2131698A1 Water conserving wastewater disposal system
09/29/1993EP0562269A1 Turnable connection
09/22/1993EP0560963A1 Gas coupling apparatus.
09/21/1993US5246070 Piping for the completion of a groundwater monitoring site
09/14/1993CA1322208C Turret couplings
09/01/1993EP0557610A2 Pipe system
08/1993
08/31/1993US5239964 Concentric fuel line system
08/18/1993CN2140463Y 流体混合器 Fluid mixer
08/17/1993US5236227 Assembly for connecting multi-duct conduits having tapered alignment walls
08/11/1993EP0554815A1 Apparatus for supplying compressible fluid to a rotative member, preferably a cylinder in a printing machine
08/03/1993USRE34332 Assembly for connecting multi-duct conduits
07/1993
07/29/1993DE4202072A1 Ball and socket joint for hydraulic ram swivel mounting - has two fluid ducts into ball joint with axially compensated thrust forces.
07/28/1993EP0552691A1 Construction system for realizing double-walled chimneys as well as ducts for exhaust of gases and steam
07/15/1993DE4207277C1 Coupling for double hose pipe with specified flow cross section - has two cylindrical bodies, each holding two hose ends, with interlocking nipples, hooks, and bores
06/1993
06/24/1993WO1993011729A1 A bath for use by a physically handicapped person
06/24/1993DE4205153C1 Gas couplings for multiple array of hot gas jets - has close spaced jets coupled to supply lines by short pipes held in place axially by adjustable lengths
06/17/1993DE4203954C1 Rotary feed coupling for pressurised gas or liquid - has sealing gap between sealing surfaces adjusted to allow axial displacement of rotor relative to stator
06/15/1993US5219185 Snap-on fluidtight pipe connecting device
06/08/1993US5217071 Production tube with integrated hydraulic line
06/08/1993US5217042 Residential waste water disposal system
06/03/1993DE4215106C1 Multipole plug and socket connector for fluid lines - has grip surface of one connector half used to release locking elements between hinged connector halves
05/1993
05/27/1993DE4214211C1 Rotating pressure coupling - has rotor and housing having inlets leading to chamber sealed by rings which are lubricated, rotor moves axially by groove and cam
05/26/1993EP0543776A1 Security hook for securing a cartridge to a hand dispenser
05/26/1993EP0543117A1 Coupling system for pipes
05/20/1993CA2083097A1 Line coupling system
05/19/1993DE4209510C1 Jacketed pipe with mutually fixer inner and outer pipes - consist each of two partial pipes, with outer pipe parts firmly connected
05/11/1993US5209526 Rotary joint assembly
05/05/1993EP0540364A1 Improvements in or relating to tube couplings for co-axial tubing
04/1993
04/15/1993WO1993007415A1 Gas coupling apparatus
04/15/1993DE4133262A1 Pressure medium feed from rotary distributor to shaft - has ring chamber with facing radial side surfaces, formed as sealing faces, and with sealing rings
04/13/1993US5201552 Twin hose coupling
04/06/1993US5199748 Rotary coupling for two different fluids
04/06/1993US5199747 Connector assembly for double walled tubing
04/06/1993CA1315826C Device for quick and tight coupling of tubes
04/06/1993CA1315644C Expandable manifold for water delivery system
03/1993
03/24/1993EP0533500A1 Crane with a multi-coupling device for hydraulic lines
03/23/1993US5195786 Internally-located dual flow rotating union
03/23/1993US5195680 Coaxial paint hose and supply system
03/18/1993WO1993006406A1 Rotary joint assembly
03/18/1993CA2094828A1 Rotary joint assembly
03/17/1993EP0525096A4 Modular microporous filter assemblies
02/1993
02/24/1993EP0528727A1 Assembly for temporarily and selectively connecting multiple pipe inlets and outlets
02/23/1993US5188146 Hydraulic swivel
02/16/1993US5186502 Double-containment pipe fittings and system
02/09/1993US5184850 Method of connecting pipes of plastics material of a double pipe system and a pipe connection made by the method
02/03/1993EP0525096A1 Modular microporous filter assemblies
02/03/1993CN1068647A Header jig
01/1993
01/26/1993US5181749 Apparatus for supporting the simultaneous establishment of a plurality of parallel, fluid plug connections
01/14/1993DE4122926A1 Rotary bushing for fluid medium flow - has rotary pistons at mutual angle in fixed housing with communicating ducts
01/07/1993WO1993000545A1 Double containment pipe assembly access housing
01/07/1993WO1993000542A1 Universal centering support device for double containment pipe assemblies
01/07/1993DE4121936A1 Pipe for environmentally-harmful media - has test nipple connected to chamber at abnormal pressure between inner and outer tubes
01/07/1993DE4121301A1 Distributor for fluid coaxial pipes - has central connection for centre pipe part hermetically sealed by cap and sealing ring
01/07/1993DE4121141A1 Hydraulically actuated building block system - is for workpiece clamping and has hydraulic interconnections moulded into clamping plate cast from mineral casting material
01/05/1993US5176177 Fire fighter water manifold
12/1992
12/24/1992DE4120300A1 Anschlussplatte mit stetigventil in modulbauweise, insbesondere fuer pneumatische medien Manifold with constant valve in modular construction, especially for pneumatic media
12/23/1992EP0519636A1 Flexible joint for an exhaust pipe
12/16/1992EP0518480A1 Hydraulic swivel joint
12/08/1992US5169178 For use in an automotive air conditioning system
11/1992
11/11/1992EP0512763A1 Pneumatic multiplexer
11/04/1992EP0511564A1 Apparatus for blow moulding plactic material
11/04/1992EP0511241A1 Fluid couplings.
11/03/1992US5160173 Selective pipe connection apparatus with multiple fluid inlets and outlets
10/1992
10/22/1992DE4114061C1 Coupling for deep boring drill rod - has two connectable sleeves onto which is welded a hollow rod and auxiliary pipes between which is connecting pipe, permitting unrestricted flow and eliminating blockage risks
10/20/1992US5156523 Coupling for feeding a heat-exchange medium to a rotating body
10/20/1992US5156422 For construction equipment
10/13/1992CA1308788C Assembly for connecting multi-duct conduits
10/05/1992WO1992017727A1 Double containment pipe joint assembly
10/05/1992WO1992017726A1 Double containment pipe joint assembly
10/05/1992WO1992017725A1 Elbow fittings for double containment pipe assemblies
10/05/1992CA2107564A1 Double containment pipe joint assembly
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