| Patents for F16L 37 - Couplings of the quick-acting type (19,272) |
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| 05/08/1991 | EP0425511A1 Actuable mechanism and control therefor |
| 05/07/1991 | US5012958 Apportioning unit for a filling system for the filling of food cans |
| 05/07/1991 | CA1283934C Prefabricated assembly for high tensile stength pipe connections |
| 05/07/1991 | CA1283850C Grip and seal mechanically locking flowline connector |
| 05/03/1991 | WO1991006800A1 Closure apparatus for pipes and vessels |
| 05/02/1991 | EP0425412A2 Process and apparatus for handling time consuming and reusable queries in an object oriented database management system |
| 05/02/1991 | EP0424583A1 Pipe coupling |
| 04/24/1991 | EP0423237A1 Quick disconnect coupling for use with boom mounts and/or tooling mounts. |
| 04/23/1991 | US5009454 Swivelable quick connector assembly |
| 04/23/1991 | US5009252 Air distribution connector valve |
| 04/18/1991 | WO1991005199A1 Component hose coupling |
| 04/18/1991 | DE4030277A1 Small diameter pipe connector - has socket body with resilient pawls and spring to push pipe against pawls |
| 04/16/1991 | CA1283140C Pipe connector device |
| 04/11/1991 | WO1991005935A1 Hydraulically actuated releasable connector and method for setting oil well liner |
| 04/11/1991 | DE3933730A1 Coupling for joining two pressure pipe ends - consists of coupling part and second part with compartment for coupling |
| 04/11/1991 | CA2067227A1 Hydraulically actuated releasable connector and method for setting oil well liner |
| 04/09/1991 | US5005878 Coupler element |
| 04/09/1991 | US5005877 Quick connect/disconnect fluid coupling |
| 04/09/1991 | US5005876 Quick connect-disconnect couplings |
| 04/09/1991 | US5005735 Dispensing apparatus for operating double cartridges |
| 04/09/1991 | US5005375 Refrigeration equipment service apparatus with quick-disconnect couplings |
| 04/04/1991 | WO1991004435A1 Quick connect coupling |
| 04/04/1991 | DE3931639A1 Plug-in pipe coupling between inner and outer pipe - consists of detachable lock with cam and hole, with lever bearing |
| 04/02/1991 | US5004209 Dry disconnect coupling and safety cap for portable tanks |
| 04/02/1991 | US5004013 Dripless coupling device |
| 04/02/1991 | US5003662 Connector for a convertible blower-vacuum |
| 03/27/1991 | EP0418942A2 A quick action coupling |
| 03/27/1991 | EP0418620A2 Quick connect fitting |
| 03/26/1991 | US5002315 Quick connector |
| 03/26/1991 | US5002254 Automatic coupler for pressurized fluid circuit |
| 03/26/1991 | US5001816 Method for connecting two parts along abutting edges and connection obtained thereby |
| 03/23/1991 | CA2025655A1 Quick connect fitting |
| 03/21/1991 | WO1991003676A1 Quick connect coupling with twist release |
| 03/21/1991 | WO1991003675A1 Locking accommodating sealing port |
| 03/21/1991 | DE3930164A1 Pipes for waste-water system with integral plastics lining - use plastics jointing ring and are uses where aggressive liquids need disposal |
| 03/20/1991 | CN2073524U Connecting device for use in the connection of fluid pipes |
| 03/19/1991 | US5000614 Conduit quick connector assembly having a ramped housing with a hair pin retainer |
| 03/19/1991 | US5000491 Means for hose clamp replacement |
| 03/13/1991 | CN1012005B Quick connect coupling |
| 03/12/1991 | US4998560 Fluid loading arm emergency disconnection system |
| 03/12/1991 | CA1281258C Poppet valve |
| 03/07/1991 | WO1991002919A1 Snap cap reaction column |
| 03/07/1991 | DE3929566A1 Connection for fluid pipes and containers - has threaded segments, with bolt, seal and housing and compression spring |
| 03/06/1991 | EP0415761A1 Structural joint |
| 03/05/1991 | US4997216 Connector for connecting small diameter pipe |
| 03/05/1991 | CA1281048C2 Coupling |
| 02/27/1991 | EP0414500A1 Moulded plastics pipe connector |
| 02/27/1991 | EP0414173A1 Device for removably affixing and securing a plug-in element to a receptacle |
| 02/27/1991 | CN2072186U Quick replacing gas tube joint |
| 02/26/1991 | US4995643 Device for fixing a water meter on to a base and method relating thereto |
| 02/26/1991 | CA1280783C Female coupling component forming a part of a quick coupling |
| 02/26/1991 | CA1280782C Hose connection for vacuum cleaner attachments |
| 02/22/1991 | WO1991002896A1 Self-attaching electromagnetic fuel injector |
| 02/22/1991 | CA2064901A1 Self-attaching electromagnetic fuel injector |
| 02/21/1991 | WO1991002187A1 Means for hose clamp replacement |
| 02/19/1991 | US4993756 Sealing in flow of fluid |
| 02/19/1991 | US4993755 Quick connect fitting |
| 02/19/1991 | US4993564 Quick disconnect tooling mount |
| 02/19/1991 | US4993462 Fluid flow control arrangement |
| 02/19/1991 | CA1280454C Remotely operable flowline connector |
| 02/12/1991 | US4991883 Conduit |
| 02/12/1991 | US4991882 Fluid-tight connector |
| 02/12/1991 | US4991880 Quick connect coupling with twist release |
| 02/12/1991 | US4991821 Coupling device |
| 02/12/1991 | US4991627 Connector for modular prefilled hydraulic control apparatus |
| 02/12/1991 | US4991557 Self-attaching electromagnetic fuel injector |
| 02/07/1991 | WO1991001120A1 Valve and coupling device for use between a urine catheter and a urine bag |
| 02/07/1991 | DE4002057A1 Plug-in fitment for detachable connecting pipes - consists of housing section with inner cone, collect and seal, with sealing lips and dirt seal |
| 02/06/1991 | EP0411030A1 Conduit system. |
| 02/06/1991 | CN2070859U Sliding plug cutoff connector for using gas quickly |
| 02/06/1991 | CN1011531B Corrugated plastic pipe connector |
| 02/05/1991 | US4989905 Fitting for corrugated tubing |
| 02/05/1991 | US4989831 Coupling device |
| 02/05/1991 | US4989638 Substantially leak-free disconnection apparatus |
| 02/05/1991 | US4989630 Quick-acting coupling |
| 02/05/1991 | CA1279881C Pipe union for cryogenic fluids |
| 01/31/1991 | DE4022769A1 Multiple coupling for pipe lines - has radially elastic detent engaging in groove in housing of coupling |
| 01/30/1991 | EP0410842A1 Quick-acting coupling |
| 01/29/1991 | US4988129 Fluid pipe coupling |
| 01/29/1991 | CA2021480A1 Quick-acting coupling |
| 01/29/1991 | CA1279671C Formed fluid coupling apparatus |
| 01/24/1991 | DE3924375A1 Quick fit coupling for pipe lines - has elastic locking element activated by pressure medium |
| 01/24/1991 | DE3924173A1 Pipe connector with bore and sealing ring - has fastening bush fitting in bore and onto pipe end |
| 01/23/1991 | EP0408710A1 Domestic plumbing installation for surface mounting. |
| 01/23/1991 | CN2069961U Joint for water pipe |
| 01/22/1991 | US4986304 Quick and dry coupling |
| 01/22/1991 | CA1279345C Pipe coupling |
| 01/22/1991 | CA1279343C Quick connect hose coupling |
| 01/22/1991 | CA1279342C Quick disconnect device |
| 01/16/1991 | EP0225335B1 Pipe lap joint with improved pull-apart strength |
| 01/15/1991 | US4984826 Hose connection assembly |
| 01/15/1991 | US4984330 Nozzle assembly for a vacuum device |
| 01/15/1991 | CA1279077C Hose coupling |
| 01/10/1991 | WO1991000469A1 Universal fluid line fitting |
| 01/10/1991 | WO1991000428A1 Submersible motor-driven pump |
| 01/10/1991 | DE4021435A1 Connection for small dia. pipes - consists of main part with axial through hole, and compartment widening in dia. with seal and ratchet pieces |
| 01/10/1991 | DE3921549A1 Tauchmotorpumpe Submersible pump |
| 01/09/1991 | EP0407280A1 Pipe couplings |
| 01/09/1991 | EP0406776A2 Perfected pipe fitting assembly, particularly for pneumatic systems |
| 01/09/1991 | EP0406597A2 Pipe connection |