| Patents for F16L 41 - Branching pipes; Joining pipes to walls (8,422) |
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| 01/18/1991 | CA2013126A1 High pressure tube attachment mechanism |
| 01/15/1991 | US4984828 Device for sealing the end of a flexible collar to a flexible tubular wall |
| 01/09/1991 | EP0406238A1 Method and means for connecting a branch conduit to an existing conduit. |
| 01/02/1991 | CA1278588C Pipe seal and closure member |
| 12/27/1990 | EP0403596A1 Pressure hose with matching hose drum and matching coupling piece |
| 12/19/1990 | EP0403037A1 Compression fitting |
| 12/18/1990 | US4978255 Tapping fluid supply pipes |
| 12/18/1990 | US4977917 Modular differential pressure transmitter/manifold for a fluid conveying pipeline |
| 12/12/1990 | EP0402281A1 Connecting element for corrugated tubes |
| 12/11/1990 | CA1277655C Manifold and method of manufacturing the same |
| 12/05/1990 | EP0400462A2 Device for repairing or renewing neck rings of enamelled appliances |
| 12/04/1990 | US4974308 Method for interconnecting an instrument manifold with an orifice plate assembly |
| 12/04/1990 | CA1277255C Stepped plenum system |
| 11/29/1990 | WO1990014548A1 Method of repairing live pipe at joint of existing gas pipes |
| 11/29/1990 | WO1990014536A1 Valve for connection to a pressurized water main |
| 11/28/1990 | CN1010609B Vacuum sealing device for insulated steam injection tubing field |
| 11/20/1990 | US4971502 Fastening bolt set |
| 11/20/1990 | US4971307 Device for joining of pipelines |
| 11/13/1990 | CA1276094C Fluid flow control system and connecting fitting therefor |
| 11/08/1990 | DE4011142A1 Stopper screwing into threaded sleeve - is used with gas pipe, and uses spanner with shaft and gas tight housing, with lock and pipe clamp |
| 11/06/1990 | US4968066 For a water heater tank or boiler |
| 11/06/1990 | CA1275890C Valve assembly for placement over a capped, stub-out which is under water pressure in a dwelling |
| 10/31/1990 | CN2064854U Reinforced concrete water conveying pipe with branched nozzles |
| 10/24/1990 | EP0393560A2 Tapping apparatus |
| 10/18/1990 | WO1990012238A1 Internal expansion coupling device |
| 10/18/1990 | WO1990011965A1 Valve assembly with axially movable valve |
| 10/18/1990 | DE3910425A1 Ventil Valve |
| 10/17/1990 | EP0322508B1 Pipe joint element |
| 10/10/1990 | EP0391177A2 Outlet nozzle |
| 10/03/1990 | EP0389841A1 Tank connector construction and method of fabrication |
| 09/27/1990 | DE4014684A1 Annular seal for masonry cavity - consists of elastomeric ring with cuff, reinforcement sealing rim and contact flange |
| 09/20/1990 | DE3908699A1 Pipe, in particular for hot-water supply installation |
| 09/19/1990 | EP0387569A1 Seven-way enbloc pipe fitting for the junction of waterworks pipes |
| 09/18/1990 | US4956916 Cutting tool |
| 09/18/1990 | CA1274151A1 Shaped woven fabrics |
| 09/13/1990 | DE3918891A1 Sealing ring with stop member - has extra protruding damage to sealing body |
| 09/12/1990 | CN1009577B Plug for opening providing inspection x-ray source with access to pipework or to apparatus |
| 09/11/1990 | US4955643 For a conduit |
| 09/11/1990 | US4955406 Connector for water pipes |
| 09/07/1990 | CA2011649A1 Connector seal |
| 09/04/1990 | US4953896 Structure for connecting branch pipe in high-pressure fuel manifold |
| 09/01/1990 | CA2000135A1 Integral manifold |
| 08/28/1990 | US4951783 Arrangement and process for securing a threaded insert to an oil pan |
| 08/23/1990 | DE3904539C1 Movable pick-up on a pressure-medium line |
| 08/21/1990 | US4949895 Process of fixing internally titanium-lined doubled-walled tubing structure to titanium tube sheet |
| 08/21/1990 | US4949744 Method and device for mounting a body in a conduit containing fluid |
| 08/16/1990 | DE3903780A1 Sealing ring |
| 08/14/1990 | US4948938 Process for fastening a pipe by welding to a thick wall member such as a pipe-carrying shell of a nuclear reactor vessel |
| 08/07/1990 | US4946199 High pressure tube attachment mechanism |
| 08/07/1990 | US4945950 Continuous tapping device |
| 08/02/1990 | DE3902359A1 Device for dividing up a fluid flow |
| 08/01/1990 | EP0379812A1 Connecting and joining block between pipelines made of soft and elastomeric material, process and device for manufacturing the same |
| 07/26/1990 | DE4000727A1 Waermeaustauscher mit verklebten rohren und verfahren zu dessen herstellung Heat Exchangers with taped pipes and process for its preparation |
| 07/18/1990 | CN2059475U Short tube for gas going into room |
| 07/12/1990 | DE3909024C1 Boring implement for making holes in service lines |
| 07/10/1990 | CA1271315A1 Process of replacing a sleeve mounted within a pipe, and devices for carrying out that process |
| 07/05/1990 | DE3844295A1 Connection unit and process for the production of a connection unit |
| 07/04/1990 | EP0375697A1 Manifold |
| 07/04/1990 | EP0243216B1 A branching device and/or a connection for flexible pipings |
| 06/27/1990 | EP0375531A1 Device for tightly fastening the end of a flexible sleeve to the wall of a flexible pipe |
| 06/26/1990 | CA1270869A1 Non-metallic liquid-tight conduit-engaging connector |
| 06/21/1990 | DE3841871A1 Method for drilling holes in masonry or concrete |
| 06/20/1990 | EP0373272A1 Improvements in or relating to tube coupling sleeves |
| 06/19/1990 | US4935005 Opthalmic fluid flow control system |
| 06/19/1990 | US4934411 Insert means for fluid flow system |
| 06/13/1990 | EP0372963A1 Apparatus and method for improved pipe to manhole sealing |
| 06/12/1990 | CA1270178A1 Method and apparatus for dividing a single stream of liquid and vapor into multiple streams having similar vapor to liquid ratios |
| 06/12/1990 | CA1270104A1 Disengagable ring fitting for a toilet |
| 06/06/1990 | EP0371217A2 A fitting for connecting a drum to a pipeline |
| 06/05/1990 | US4930817 Structural part comprising a flange and at least one exhaust gas tube, in particular exhaust gas bend, and process for the production thereof |
| 05/31/1990 | WO1990005872A1 Improvements in or relating to connection fittings |
| 05/30/1990 | EP0370641A1 Pipe joint |
| 05/29/1990 | US4929001 For a fluid line |
| 05/23/1990 | EP0369513A2 Pressure hose with a reel and coupling adapted thereto |
| 05/22/1990 | US4927189 Internal expansion coupling device |
| 05/22/1990 | US4927188 Fitting for connecting a drum to a pipeline |
| 05/17/1990 | DE3838435A1 Tapping apparatus |
| 05/15/1990 | US4925045 Tub boxes |
| 05/15/1990 | CA1269118A1 Pipe saddle joint and assembly |
| 05/09/1990 | EP0366874A1 Automatic closing-opening device for plastic gas branch pipeline |
| 05/08/1990 | US4922958 Manifold for distributing a fluid and method for making same |
| 05/08/1990 | US4922951 Service tee for connection to a gas or water main |
| 05/02/1990 | EP0365583A1 Coupling sleeve for connection of a branch pipe to a main pipe. |
| 05/01/1990 | US4921004 Piercing surge regulator valve and apparatus |
| 05/01/1990 | US4920626 Stabilized connector flange for interconnecting an instrument manifold with an orifice plate assembly |
| 04/24/1990 | US4919461 Pressure cylinder pipe coupling |
| 04/24/1990 | US4919198 Device for sealing and absorbing differential expansion between a chamber for cooling particles in suspension and a recycling duct |
| 04/17/1990 | US4917539 Pipeline systems |
| 04/12/1990 | DE3834066A1 Connection coupling for hydraulic high-pressure hoses with connection parts or devices with the interposition of hydraulic constructional units such as, for example, non-return valves |
| 04/12/1990 | DE3833847A1 In particular tubular device for channeling a flow medium |
| 04/10/1990 | US4915425 Pipe connecting element |
| 04/10/1990 | US4915424 Branch for other containment shroud |
| 04/05/1990 | WO1990003534A1 Fuel spill prevention valve |
| 04/05/1990 | DE3932672A1 Fuel distributor blank - designed as tubular pressure die casting with several short inclined branches |
| 04/05/1990 | DE3833573A1 Fluidics manifold block |
| 04/04/1990 | EP0362067A1 Part made of flexible material and method for mounting same on a support |
| 04/04/1990 | EP0361344A2 Apparatus for applying a plug to a distribution pipe under pressure |
| 04/03/1990 | US4913183 Thermo plastic carbonated water manifold and method of making same |
| 04/03/1990 | US4913140 Float-controlled humidifier |
| 03/28/1990 | EP0360632A1 Method for the guide and leak-proof connection of pipes |