| Patents for F16L 41 - Branching pipes; Joining pipes to walls (8,422) |
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| 11/11/1993 | WO1993022594A1 Tube and flange coupling assembly |
| 11/11/1993 | DE4214748A1 Hole-cutting saw with teeth on hollow cylinder side - has centring drill in form of spirally threaded drill at its end protruding from hollow cylinder |
| 11/11/1993 | CA2133751A1 Tube and flange coupling assembly |
| 11/02/1993 | US5257826 Multiple purpose irrigation fitting |
| 11/02/1993 | US5257648 Pressure testing of tubular fitting installed to a ported wall |
| 11/02/1993 | US5257644 Hot tap cutter for plastic pipe |
| 10/28/1993 | DE4303970A1 Pipe fitting with shut=off piston esp. for connecting drinking water pipes. - has spindle chamber completely sealed from flow side of fitting to avoid contact with water. |
| 10/28/1993 | DE4213526A1 Pipeline branch with pipe section and movable scraper - has width of branch opening equal to flange internal dia.,but smaller width in longitudinal direction than scraper seal spacing |
| 10/21/1993 | DE4308478A1 Drainage of cooling fluid from scrapped vehicles - involves cutter inside offtake chamber to make hole in cooling fluid hose |
| 10/20/1993 | CN2144233Y Flow carrying holding branching device for pressure fuel gas pipeline |
| 10/19/1993 | US5253773 Filler tube for liquid containers |
| 10/19/1993 | US5253520 Flow sensor connector |
| 10/14/1993 | WO1993020421A1 Method and apparatus for mounting an instrument manifold on an orifice fitting assembly |
| 10/14/1993 | CA2133463A1 Method and apparatus for mounting an instrument manifold on an orifice fitting assembly |
| 10/12/1993 | US5251939 Water injector system and method for using same |
| 10/12/1993 | US5251938 Adapter pipe fitting for sprinkler or drip-type irrigation systems |
| 10/07/1993 | DE4210735A1 Heat distribution box for hot water and heating system - comprises two parallel rectangular section ducts spaced apart and well insulated |
| 10/05/1993 | US5249344 Method of and apparatus for cutting a pipe |
| 09/30/1993 | WO1993019320A1 Water conserving wastewater disposal system |
| 09/30/1993 | CA2131698A1 Water conserving wastewater disposal system |
| 09/29/1993 | EP0562957A1 Inserts for sealed containers made of composite material |
| 09/28/1993 | US5248171 Flexible rubber tube having rigid plastic branch connection |
| 09/28/1993 | CA1322478C Main line tapping apparatus |
| 09/22/1993 | EP0561514A1 Pipe connection and method of making it |
| 09/15/1993 | EP0559686A1 Saddle-joint jig. |
| 09/14/1993 | US5244236 Corrosion-preventive sleeve for drilled hole in metal pipe and tool for mounting the same |
| 08/31/1993 | US5240290 Adapter assembly for branching a pipe |
| 08/31/1993 | US5240288 Double air duct boot |
| 08/31/1993 | US5239877 Gas emission sample container with internal mixing fitting |
| 08/26/1993 | DE4205539A1 Central heating installation with boiler,circulating pump,and radiators - has plug pipe couplings on members for attaching pipes with interposed seals. |
| 08/25/1993 | CN2141012Y Four-way drain joint |
| 08/19/1993 | WO1993016319A1 Pipe clip for plastic supply ducts, in particular tapping pipe clip |
| 08/19/1993 | DE4204620A1 Rohrschelle fuer versorgungsleitungen aus kunststoff, insbesondere anbohrschelle Pipe clamp for plastic supply lines, especially tapping sleeve |
| 08/18/1993 | EP0555650A1 Adaptive device for pipe couplings |
| 08/17/1993 | CA2010202C Internal expansion coupling device |
| 08/16/1993 | CA2106756A1 Pipe clamp for plastic supply pipelines, particularly a tapping clamp |
| 08/12/1993 | DE4203334A1 Vacuum tight connection between two flanged pipes - has one pipe with larger inner diameter than sealing ring and second pipe |
| 08/05/1993 | WO1993015350A1 Method in branching a tube |
| 08/04/1993 | EP0553657A1 Pipe connection |
| 08/03/1993 | US5232007 Combination of a fuel manifold and a plurality of like fuel control devices mounted thereto, a manifold for such combination and methods of making the same |
| 08/03/1993 | CA1320822C Pipeline systems |
| 07/29/1993 | DE4202237A1 Fitting for tapping into pipe under pressure - has side pocket with floating ball element that floats up to seal off flow when drill is removed, and acts as stop valve |
| 07/28/1993 | EP0552710A1 Branch piece for plastics ducts or tanks |
| 07/28/1993 | EP0552674A1 Sealing device with sealing ring |
| 07/21/1993 | EP0551755A1 Thermal isolation coupling system |
| 07/20/1993 | US5228727 Tubular body having pipe joint member attached thereto and method of producing same |
| 07/20/1993 | US5228338 Flow sensor connector |
| 07/15/1993 | DE4243190A1 Sanitary pipe junction seal |
| 07/14/1993 | EP0550860A1 Sealing assembly |
| 07/14/1993 | CN2138236Y Self crewed water tap |
| 07/08/1993 | WO1993013352A1 Improvements relating to the lining of pipelines and passageways |
| 07/08/1993 | WO1993013322A1 Seal insert for connecting unions and multi-part pipe union |
| 07/08/1993 | CA2121354A1 Improvements relating to the lining of pipelines and passageways |
| 07/07/1993 | CN2137749Y Self-threading coupling for pipe |
| 06/30/1993 | EP0548544A1 Device for water-proof connection of plastic sewerage pipes to subterraneous constructions |
| 06/30/1993 | EP0466779A4 Internal expansion coupling device |
| 06/29/1993 | US5222771 Brazed pipe assembly and method |
| 06/24/1993 | DE4142294A1 Prodn. of double wall branched pipe - by making hole in inner PVC liner, bonding PVC sleeve to it, forming concrete shell round assembly and push=fitting cylinder into sleeve |
| 06/15/1993 | US5219403 Plastic self-insulating ductwork system |
| 06/15/1993 | US5218874 Fitting and tube apparatus for gas emission sample container |
| 06/08/1993 | US5217042 Residential waste water disposal system |
| 06/03/1993 | DE4138899A1 Casting mould for connectors for radiators - has outer and inner flow chambers and precision mounting of cast connecting sleeves for left or right use |
| 06/01/1993 | US5215335 Fitting for pressurized fluid lines and method for making same |
| 05/26/1993 | EP0543232A1 Method and device for producing an opening on a pipe wall |
| 05/25/1993 | US5213378 Fluid connector |
| 05/25/1993 | US5213375 Quick pipe connector |
| 05/19/1993 | EP0542368A1 Cable ladder track |
| 05/19/1993 | DE4212505C1 Double wall pipe providing intermediate chamber for lambda sensor support - is insulated to prevent loss of heat from exhaust gas of motor vehicle so that catalyser can be effective from cold start |
| 05/18/1993 | US5211426 Point irrigation apparatus with branch connections |
| 05/11/1993 | US5209456 Tank valve |
| 05/04/1993 | US5207461 Fluid distribution apparatus |
| 04/29/1993 | WO1993008423A1 Hydraulic port fittings |
| 04/29/1993 | DE4135433A1 Junctions for double-walled sewage channel - have junction socket, welded directly to inner plastics tube of channel |
| 04/21/1993 | CN2130230Y 接头 Connector |
| 04/14/1993 | EP0536427A1 Tapping clamp for pipes, especially for gas or water |
| 04/14/1993 | CN2129859Y Out screw three-way elow connection |
| 04/13/1993 | US5201554 Swivel coupling with corrugated tube, o-ring seal and split ring clip |
| 04/13/1993 | US5201549 Thermal isolation coupling system |
| 04/06/1993 | US5199749 Pipe connector |
| 04/06/1993 | US5199145 Corporate stop assembly |
| 04/06/1993 | CA1315826C Device for quick and tight coupling of tubes |
| 04/06/1993 | CA1315825C Pipe connecting element |
| 04/06/1993 | CA1315644C Expandable manifold for water delivery system |
| 03/30/1993 | US5197568 Assembling series of distribution and measuring units for a lubricating oil system and for manufacturing the principal components of the series |
| 03/30/1993 | US5197177 Device for repairing or renewing container nozzles of enamelled apparatus |
| 03/03/1993 | EP0529825A1 Universal saddle tee for pipes |
| 03/03/1993 | EP0529419A2 Capillary tube conduction system as well as the manufacture and device for manufacturing a capillary tube conduction system |
| 02/24/1993 | EP0528614A1 Hose connection |
| 02/08/1993 | CA2073940A1 Universal saddle tee for pipes |
| 02/03/1993 | EP0525269A1 Connection device for a flow branch to a main flow net formed by a corrugated double walled pipe |
| 02/03/1993 | CN1068647A Header jig |
| 02/02/1993 | US5183364 In a pipe |
| 01/26/1993 | US5181746 Sealing sleeve and its use |
| 01/20/1993 | EP0523970A1 Vibration isolating sealing clamp for conduit structures |
| 01/20/1993 | EP0523360A1 Y-pipe and method for making the same |
| 01/19/1993 | CA1312894C Service tee for connection to a gas or water main |
| 01/13/1993 | EP0522934A1 Saddle connection for a pipe and assembly composed of that saddle connector and pipe |
| 12/30/1992 | EP0520234A1 Tank and tank connector construction therefore |
| 12/29/1992 | US5174612 Vibration isolating sealing clamp for conduit structures |
| 12/22/1992 | US5172939 Connection structure for branch pipe in high-pressure fuel rail |