| Patents for F16L 39 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies (3,760) |
|---|
| 05/16/1978 | US4089101 Method of forming a fluid seal between a tube and fitting |
| 04/18/1978 | CA1029764A1 Rotating fitting |
| 04/11/1978 | US4083135 Flexible connecting arrangement for suction dredgers |
| 04/04/1978 | US4082324 Connection arrangement for manifold blocks |
| 04/04/1978 | US4082323 Box hole drill steel |
| 03/21/1978 | US4079970 Pipe switching station clamp |
| 02/28/1978 | US4076279 Plug-in coupling |
| 01/24/1978 | US4070043 Double-walled pipe construction |
| 01/10/1978 | US4067596 Dual flow passage drill stem |
| 12/27/1977 | US4065159 Rotary connector |
| 12/13/1977 | US4062572 Transition fittings |
| 10/04/1977 | US4052090 Multiport swivel joint |
| 09/20/1977 | US4049356 Double-sigmoid connector |
| 09/06/1977 | US4046407 Elongated cryogenic envelope |
| 08/23/1977 | US4043575 Riser connector |
| 08/09/1977 | US4040612 Blast pipe assembly for the bottom plate of a converter or furnace for refining metals |
| 07/19/1977 | US4036618 Power transmission line |
| 07/19/1977 | US4036617 Transmission lines |
| 06/28/1977 | US4031919 Articulated riser |
| 06/14/1977 | US4029344 Connection joint for prefabricated metal chimney |
| 06/14/1977 | US4029343 Expansion joint for prefabricated double-walled metal chimney |
| 05/31/1977 | US4025976 Submarine pivoting structure with ducting |
| 04/12/1977 | US4017102 Jacket construction for pipe coupling |
| 04/05/1977 | US4015864 Well apparatus |
| 03/15/1977 | US4011732 Heat-stationed bayonet connector for cryogenic fluid lines |
| 03/01/1977 | US4009581 Grout line protected pressure lines for setting sleeve packers |
| 02/15/1977 | US4007951 Multi-way connector for hydraulic conduits |
| 01/11/1977 | US4002358 Adapter for connecting conduit to pipe |
| 11/30/1976 | USRE29054 Apparatus for attaching a hot and cold water plumbing fixture to building water pipes |
| 11/30/1976 | US3994624 Water envelope pump and tank system |
| 11/16/1976 | US3992045 Means for coupling and sealing membrane carrying tube sections |
| 11/09/1976 | US3990731 Dual-path, multi-axis swivel coupling for discharge nozzles |
| 10/26/1976 | US3988029 Cryogenic fluid coupling device |
| 10/19/1976 | US3986961 Fluid manifold for mass transfer devices |
| 10/19/1976 | US3986732 Dual concentric vapor recovery fuel hose and end fitting therefor |
| 10/19/1976 | US3986437 Double-acting rotary hydraulic jack |
| 09/21/1976 | US3981329 Swivel type fluid coupling |
| 09/14/1976 | US3980324 Swivelling coupling for fluid |
| 09/14/1976 | US3980112 Conduit assembly for conveying volatile fluids |
| 08/31/1976 | US3977703 Multiple duct underground conduit |
| 08/24/1976 | US3976099 Multiple-passage, quick-disconnect coupling |
| 07/27/1976 | US3971575 Releasable locking device |
| 07/20/1976 | US3970335 Dual concentric pipes |
| 07/20/1976 | US3969781 Mooring and cargo transfer system for difficult handling cargo |
| 06/29/1976 | US3966235 Underwater sealing of exposed ports in relatively closable members |
| 06/01/1976 | US3960393 Hose connector |
| 05/18/1976 | US3957291 Ball joint assembly with internal passages |
| 05/18/1976 | US3957290 Flexible pipe joints |
| 04/20/1976 | US3951439 Modular cellular conduit assembly |
| 04/13/1976 | US3950017 Leakproof connection for polyethylene tubing |
| 03/23/1976 | US3945066 Single-point mooring systems |
| 03/16/1976 | US3944264 Pipe bracket |
| 03/16/1976 | US3943618 Method of assembly of a dual-walled pipe |
| 03/09/1976 | US3942825 Pilot light harness for gas stove |
| 03/02/1976 | US3941409 Method and apparatus for attaching the exhaust manifold |
| 02/24/1976 | US3940168 Tube and fitting structure |
| 02/10/1976 | US3937499 Mounting for nonmetallic valves |
| 02/10/1976 | US3937498 Hose coupling |
| 01/20/1976 | US3933379 Separable coupling between two tubes and its production process |
| 01/20/1976 | US3933061 Apparatus for hydraulically operating the chuck of the hollow spindle of a lathe |