| Patents for F16L 43 - Bends; Siphons (2,212) |
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| 04/16/1998 | WO1998015483A1 Pipe bend with decreasing radius of curvature |
| 04/15/1998 | CN1178879A Bent tube with reduced bending radius |
| 04/14/1998 | US5740196 End caps and elbows for cooling coils for an electric arc furnance |
| 03/25/1998 | CN1037872C Kit and method for producing a connector for fluid-conducting elements |
| 03/04/1998 | EP0728244B1 Access gully |
| 03/04/1998 | EP0532697B1 Laminar flow elbow system |
| 02/17/1998 | US5718461 Pipe bend |
| 02/11/1998 | CN2274273Y Elbow joint |
| 01/29/1998 | DE19630039A1 Curved section of pipe transporting abrasive material |
| 12/29/1997 | EP0814208A2 Bend for a drainage tube |
| 12/29/1997 | EP0814203A2 Drainage system |
| 12/29/1997 | EP0814202A2 Drainage system |
| 12/29/1997 | EP0814201A2 Drainage system |
| 12/17/1997 | CN2270875Y Connecting piece for composited tube |
| 12/10/1997 | CN2270151Y V shaped water bend |
| 12/03/1997 | CN2269515Y Quick connecting bent without welding |
| 11/18/1997 | US5687768 Fluid flow pressure measurement system |
| 11/05/1997 | CN2266681Y Internal lining wear-resistant bent tube |
| 10/29/1997 | EP0803456A1 Pipebend |
| 10/22/1997 | CN2265467Y Bend for gas pipe through room |
| 10/02/1997 | WO1997036141A1 End caps and elbows for cooling coils for an electric arc furnace |
| 10/02/1997 | DE19612887A1 Pipe bend for pipes feeding liquids or gases |
| 09/24/1997 | CN2263259Y Built-up connection type distributing bend |
| 09/11/1997 | DE19608154A1 Pneumatic pipe conveyor corner piece |
| 08/19/1997 | US5657582 Rain gutter downspout noise attenuation apparatus |
| 08/13/1997 | EP0296251B2 Bent pipe having high-strength cross-section |
| 07/10/1997 | WO1997019286A3 Pipe bend for feed pipes for feeding liquids or gases which may possibly be laden with solids |
| 06/19/1997 | DE19617006C1 Pipe bend with lining insert especially of polyurethane |
| 05/29/1997 | WO1997019286A2 Pipe bend for feed pipes for feeding liquids or gases which may possibly be laden with solids |
| 05/22/1997 | DE19543256A1 Multistage bend in pipework |
| 05/07/1997 | EP0771991A1 Elbow connection element and method of manufacture |
| 04/01/1997 | US5615481 Method and apparatus for the production of circumferentially compressible pipe fittings |
| 03/05/1997 | CN2248820Y Copper bend with small flexibility for welding use |
| 01/28/1997 | US5597185 One piece tubular elbow and process of manufacture |
| 01/07/1997 | US5590916 Renewable wear-proof elbow with a detachable buffer chamber |
| 12/27/1996 | EP0750154A1 Tube coupling |
| 10/30/1996 | CN2238959Y Compound wear-resistant bending pipe |
| 09/12/1996 | DE19508023A1 Pipe bend with at least one connecting piece |
| 08/28/1996 | EP0728244A1 Access gully |
| 08/21/1996 | CN2233498Y Water-saving three-way bend |
| 07/25/1996 | DE19500953C1 Arcuate section of tube for fitting in piping for hydraulic or pneumatic conveying of solid materials |
| 07/02/1996 | US5531484 Elbow provided with guide vanes |
| 06/26/1996 | CN2230006Y Wearing-proof bend of wind powder pipe |
| 05/29/1996 | CN1123382A Hard-face welding-patching curved pipe and producing method thereof |
| 04/25/1996 | DE4437918A1 Curved hose section e.g. for fuel or cool water pipes esp. for motor vehicles |
| 03/13/1996 | CN1118620A Kit and method for producing a connector for fluid-conducting elements |
| 03/06/1996 | CN2221700Y Permanent-magnet rubber-lined wear-resisting elbow |
| 02/27/1996 | US5493888 Precision forming apparatus, method and article |
| 01/04/1996 | DE19522540A1 Pipe unit in concrete delivery line |
| 12/21/1995 | DE4420461A1 Multi segmented pipe section |
| 12/20/1995 | EP0687348A1 Kit and method for producing a connector for fluid-conducting elements |
| 12/12/1995 | US5473815 Method for producing a connector for fluid pipe elements |
| 12/06/1995 | CN1112995A Elbow provided with guide vanes |
| 11/08/1995 | EP0681131A1 Bent hose section |
| 10/19/1995 | DE4412568A1 Foldable syphon for under wash basin outlet and wall pipe |
| 08/30/1995 | EP0583381A4 Precision forming apparatus, method and article |
| 08/16/1995 | EP0667460A2 Elbow provided with guide vanes |
| 07/20/1995 | WO1995013434A3 Drainage system |
| 07/06/1995 | DE4415730C1 Curve or bent portion for hose |
| 05/18/1995 | WO1995013434A2 Drainage system |
| 05/03/1995 | CN2196225Y Wear resisting elbow |
| 04/26/1995 | EP0649689A1 Method and device for making compression fittings |
| 04/19/1995 | CN2195027Y Adjustable movable bend |
| 04/12/1995 | EP0647743A1 Siphon for a discharging installation |
| 04/12/1995 | EP0647742A1 Siphon for a discharging installation |
| 04/12/1995 | EP0647741A1 Protection for flush-mounting devices |
| 04/11/1995 | US5405174 Kit and method for producing a connector for fluid pipe elements |
| 02/28/1995 | US5392803 Apparatus and method for installing valves |
| 02/15/1995 | CN2189687Y High-pressure-movable bend |
| 09/15/1994 | WO1994020780A1 Kit and method for producing a connector for fluid-conducting elements |
| 08/25/1994 | DE4313151C1 Shaped piece consisting of a cast material |
| 08/23/1994 | US5339868 Bent pipe having sectional form of high strength |
| 07/26/1994 | CA2017584C Bent pipe |
| 06/28/1994 | US5323661 Laminar flow elbow system and method |
| 06/08/1994 | CN2168154Y Weld anti-flushed prolonging pipe |
| 05/11/1994 | DE4237686A1 Pipe elbow or bend component - has turned boreholes meeting at spherical, conical or parabolic run out, both bore axes cutting at 90 deg. angle |
| 04/13/1994 | CN2161801Y Wear-resistant bend for hot air |
| 04/12/1994 | US5301984 Wear resistant pipe elbow |
| 04/06/1994 | CN2160805Y Articulated pipe |
| 03/23/1994 | EP0587833A1 Pipe elbow |
| 03/17/1994 | DE4231130C1 Adaptor for different-sized radiator connections - consists of round housing with two connection sockets of different sizes |
| 03/02/1994 | CN2158024Y Seamless straight-pipe section bend |
| 03/02/1994 | CN2158023Y Reducing steamless ell |
| 03/02/1994 | CN1083194A Steel pipe with hardened wear-proof inner wall and machining device thereof |
| 02/24/1994 | DE4227574A1 Siphon with outlet member parallel to inlet one - has specified spacing of the central straight lines of the inlet and outlet members |
| 02/23/1994 | EP0583381A1 Precision forming apparatus, method and article |
| 02/22/1994 | US5288111 90 degree elbow for pneumatic transport pipes |
| 02/02/1994 | CN2154944Y Low air resistace energy-saving bent tube |
| 11/28/1993 | CA2094696A1 Tank pressure and vacuum protection system |
| 11/23/1993 | CA1324574C Device and method for remote connection and installation of a welded coupler |
| 11/02/1993 | US5257825 Barb and swivel spout elbow fittings |
| 10/28/1993 | DE4312929A1 Siphon for condensate drain of heater - has collection tank with barrier liquid, with specific density higher than that of liquid to be removed |
| 10/14/1993 | WO1993019695A1 Pipe elbow |
| 10/14/1993 | CA2110501A1 Pipe elbow |
| 08/04/1993 | EP0532697A4 Laminar flow elbow system |
| 07/29/1993 | DE4201625A1 Ceramic elbow section for air duct - is formed out of two parallel quarter circle sections and adjoining curved wall |
| 07/27/1993 | US5230369 Structure to reduce turning losses in angled conduit |
| 06/20/1993 | CA2081596A1 Adjustable sprinkler head positioning assembly |
| 06/09/1993 | EP0296251B1 Bent pipe having high-strength cross-section |
| 06/02/1993 | CN1072627A Manufacturing method, mould and product thereof for steel elbow with straight section |