Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 43 - Bends; Siphons
Patents for F16L 43 - Bends; Siphons (2,212)
03/2004
03/18/2004US20040050487 Thermoplastic laminate duct
03/11/2004DE10340179A1 Verbindungsstruktur für ein Rohr und einen Rohranschluss und Verfahren zum Verbinden eines Rohrs und eines Rohranschlusses Connecting structure for a pipe and a pipe connector and method for connecting a pipe and a pipe connection
03/04/2004US20040041396 Connecting structure of pipe and pipe joint and method of connecting the pipe to the pipe joint
03/03/2004EP1394462A1 Thermoplastic laminate duct
02/2004
02/24/2004US6695037 Heating device for an automobile especially a water heating device in the form of a backup heater or auxiliary heater
02/17/2004US6691726 System and method for using bent pipes in high-purity fluid handling systems
02/12/2004DE20316181U1 Elbow section for rainwater metal drainpipe has shoulder section link to straight cylindrical larger and smaller end-fittings
02/12/2004DE10233470A1 Umlenktopf für den Einbau in pneumatische Förderanlagen Umlenktopf for mounting in pneumatic conveying systems
02/11/2004EP1387978A1 Production and processing plant with a rigid pipe portion curving in three dimensions
02/05/2004US20040020260 Manufacturing device of the curved metal tube and rod with an arbitrary section
02/04/2004EP1387119A1 Flange joint and method of manufacturing the flange joint
01/2004
01/28/2004EP1384694A1 Curved pipe for a pneumatic transport system
01/21/2004CN1469071A Electric welding sleeve
12/2003
12/31/2003CN1464217A Process for manufacturing steel sheet made butt-welded single seam pulling bend
12/30/2003US6668580 Chiller compressor circuit containing turning vanes
12/10/2003EP1369636A1 Electrofusion fitting
11/2003
11/26/2003CN2588165Y Corrosion-resistant elbow pipe for pipeline engineering
11/12/2003CN2586042Y Enamel tube fitting inside metallic body
11/05/2003EP1359358A2 Pipe assembly
11/05/2003CN2585008Y Wear-resisting bend
11/04/2003US6640926 Elbow silencer
10/2003
10/29/2003EP1357240A1 Method and apparatus for a line concrete pumping system
10/29/2003CN2583481Y Bend for gas pipeline
10/29/2003CN2583480Y Wear-proof bend
10/29/2003CN2583479Y Ceramic integrated steel pipe bend with lining
10/16/2003US20030192339 Chiller compressor circuit containing turning vanes
10/02/2003WO2003081115A1 Flange joint and method of manufacturing the flange joint
09/2003
09/18/2003US20030173775 Sand tank discharge elbow
09/11/2003DE20220487U1 Bulk material feed pipe has curved connecting section with impact plate to deflect airflow between inlet and angled outlet
09/10/2003CN2572190Y Elbow for gas pipe line
09/10/2003CN2572189Y Improved wearing-resistant lining pipe elbow
09/10/2003CN2572188Y High-insulation settling-resistant corrosion-resistant gas leading in pipe
08/2003
08/28/2003WO2003071041A1 Siphon for toilets
08/13/2003CN1436107A Mfg. device of curved metal tube and rod with arbitrary section
08/06/2003CN2564833Y Elbow pipe fitting for gas pipeline embedded in gas chamber wall
07/2003
07/31/2003US20030141717 Pipe connector
07/23/2003EP1290282A4 Plumbing trap system
07/22/2003US6595554 Infinitely selectable angle pipe fitting
07/15/2003CA2228863C Flexible transfer connection
07/10/2003US20030127854 Method and apparatus for a line concrete pumping system
07/10/2003US20030127411 90 degree sweep elbow
07/08/2003CA2415535A1 Method and apparatus for a line concrete pumping system
07/02/2003CN2558833Y Bend thread bore connecting fitting
07/02/2003CN2558832Y Bend connecting fitting between pipe and pipe
06/2003
06/12/2003DE20302772U1 Method for connecting pipe sections has overlapping connecting ends secured by clamping rings
06/11/2003EP1318344A1 Kit for producing a connector for fluid-conducting elements, and sleeve coupling for the kit
05/2003
05/30/2003WO2003044419A1 A pipe connector and method of supplying fluid to a fitting
05/28/2003CN1109836C Cast formed part
05/15/2003US20030089395 System and method for using bent pipes in high-purity fluid handling systems
05/13/2003US6561549 Sealing connector with variable geometry
05/07/2003CN2549299Y Bend movable joint embedded adaptor
05/07/2003CN1415888A Channel elbow with wearable liner and lining method thereof
04/2003
04/30/2003DE20303194U1 Siphon for especially tool machines has additional shut-off element in form of solenoid valve provided behind curved pipe section in direction of flow, and during filling of siphon is adjustable from closed position to open position
04/30/2003CN1413898A Wear-reducing elbow of material conveying pipe
04/23/2003CN2546717Y Steel plate butt welding single seam
04/17/2003US20030071459 Siphon tube of connector adapted to be mounted on reservoir
03/2003
03/12/2003EP1290282A1 Plumbing trap system
03/04/2003CA2401058A1 Arcuate double-layer pipe, and method of assembling an arcuate double-layer pipe
02/2003
02/18/2003US6520213 Arcuate double-layer pipe, and method of assembling an arcuate double-layer pipe
02/06/2003DE10143306C1 Angled pipe used for changing the direction of a pipeline has a molded socket end and an insertion end for connecting to the corresponding ends of a linear pipe unit
02/04/2003US6513540 System and method for using bent pipes in high-purity fluid handling systems
01/2003
01/29/2003CN1393651A 管接头 Fittings
01/09/2003DE20212078U1 Arrangement for joining two double walled pipes, in particular straight section to angled section
01/02/2003DE20214672U1 Ethylene cracker reactor has serpentine section of metal pipe with two or more elbows
01/02/2003DE20212095U1 Pipe unit with a conduit for guiding gaseous flow medium has an aperture sealed by a lid
12/2002
12/26/2002US20020197428 Molded plastic elbow
12/17/2002US6494234 Pipe bend for a pipeline for transport of abrasive materials
12/04/2002CN2524053Y Connecting bend for metallurgical water cooling pipe
11/2002
11/27/2002EP1260745A2 System and method for using bent pipes in high-purity fluid handling systems
11/21/2002WO2002093063A1 Production and processing plant with a rigid pipe portion curving in three dimensions
11/14/2002US20020166590 System and method for using bent pipes in high-purity fluid handling systems
11/11/2002CA2670718A1 System and method for using bent pipes in high-purity fluid handling systems
11/11/2002CA2384397A1 System and method for using bent pipes in high-purity fluid handling systems
10/2002
10/30/2002EP1252461A1 Pipe system
10/29/2002US6471251 Spirally corrugated pipe elbow and method for manufacturing same
10/22/2002US6467812 Pipe having replaceable wear resistant lined coupler
10/02/2002CN2514210Y Plastic coated steel union elbow for use in plastic pipe
09/2002
09/26/2002US20020136917 Metallic tubular components for industrial flowstreams
09/26/2002CA2341994A1 Metallic tubular components for industrial flowstreams
09/17/2002US6450001 Method and apparatus for manufacturing thick-walled bent pipe
09/12/2002US20020125719 Pipe element for bending pipe sections
09/12/2002US20020125718 Elbow fitting
09/11/2002CN2510734Y Different-thickness arch-bridge type wear-resisting boule porcelain lining bend
08/2002
08/22/2002US20020114908 Molded plastic elbow
08/13/2002US6431611 Two piece universal elbow
07/2002
07/30/2002US6426031 Methods of fabricating a sweep elbow tube connector
07/24/2002CN2502106Y Bend of gas pipeline
07/23/2002US6422608 Anti-abrasion pipe fittings for high-speed particle-laden flow
07/10/2002CN2499671Y Multilayer silencing connection pipe
07/04/2002US20020084138 Elbow silencer
06/2002
06/20/2002US20020074801 Elbow connection
06/13/2002US20020070548 Induction port assembly for impactors and method of assembly
06/13/2002US20020069925 Elbow protection cover and a method for producing it
06/13/2002DE10160574A1 Sauganschlußanordnung für Impaktoren und Verfahren zum Zusammenbau Sauganschlußanordnung for impactors and method of assembly
05/2002
05/22/2002CN2492736Y T-bend
05/02/2002US20020050260 Adaptable fluid flow apparatus
04/2002
04/25/2002WO2002033304A1 Variable angle elbow for connection of water supply hoses
03/2002
03/06/2002EP0951625B1 Shaped piece for diverting fluid flow
01/2002
01/29/2002US6341390 Plumbing trap system
01/17/2002US20020005222 Pipe bend for a pipeline for transport of abrasive materials
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