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