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 19 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
Patents for F16L 19 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts (6,962)
10/1991
10/01/1991US5052719 Methods and apparatus for fixing a pipeline to a coupling
10/01/1991CA1289989C Zero dead volume connector
09/1991
09/25/1991EP0447453A1 Coupler with combination locking and bonding ring.
09/25/1991CN2085456U Pipe connecting means with moving joint
09/24/1991US5050914 Union joint
09/23/1991WO1991014895A1 Pipe fitting with improved coupling body
09/18/1991CN2085016U Fast assembled pipe joint
09/18/1991CN2085015U Flexible joint for expandable pipeline
09/18/1991CN2085014U Taper pipe joining apparatus
09/11/1991CN2084545U Sleeve joint seal fixing device
09/04/1991CN2084144U Fast-jointing joint
08/1991
08/28/1991CN2083673U Active joint for water pump gate
08/27/1991US5042845 Filler adapter
08/22/1991WO1991012458A1 Tube union
08/22/1991WO1991012456A1 Pipe connection
08/21/1991CN2083235U Holding sleeve joint of straight-through pipe
08/20/1991US5040714 Bore forming sealed coupling and process
08/14/1991EP0441683A1 Sealed connection for fluid conducting conduits
08/14/1991EP0441682A1 Sealed connection for fluid conducting conduits
08/08/1991WO1991011648A1 Methods and devices for joining pipes, and for attaching the pipes to connecting pieces on t-pipes, bends and equipment such as valves, fauchets, measuring instruments, etc.
08/07/1991EP0439749A1 Threaded joint
08/06/1991USH945 Connecting apparatus for two tubular members
08/06/1991CA2035501A1 Fluid-tight connectors for fluid-carrying pipe-lines
08/06/1991CA2035500A1 Fluid-tight connector for fluid-conveying pipe-lines
07/1991
07/31/1991EP0439328A2 Tube coupling
07/30/1991CA1287079C Pipe screwed connection
07/23/1991US5033435 Fluid conduit system incorporating self-aligning fitting
07/10/1991CN2080608U Joint arrangement
07/02/1991US5028078 Tube fitting with variable tube insertion
07/02/1991CA1285586C Joint for a hose or tube
06/1991
06/26/1991CN2079696U 接头装置 Connector device
06/26/1991CN1052541A Composite gasket for locked assembly of spigot and socket pipes
06/19/1991EP0433202A1 Composite seal assembly for locked plug and socket pipe fittings
06/19/1991CN2079250U Quick install valve
06/18/1991US5024419 Faucet connector assembly
06/18/1991CA1285010C Swivel pipe joint
06/12/1991EP0431309A1 Union joint
06/05/1991CN2078407U Cone wedge type pipe union
06/05/1991CN1051968A Sealing and blocking module of sealing and blocking seperation type pipe joints
05/1991
05/30/1991WO1991007617A1 High pressure pipe coupling
05/22/1991EP0428404A2 Tube connection
05/22/1991EP0428341A1 Boiling water units
05/22/1991CN2077510U Movable connection for linking pipelines
05/21/1991US5016920 Pipeline coupling
05/16/1991CA2029978A1 Tube connection
05/15/1991EP0427660A2 Hydraulic fitting locks
05/15/1991EP0427306A2 Releasable pipe coupling with axial retaining nut
05/02/1991EP0424731A2 Method to realize a soldering joint for a rotating coupling between a sleeve and a nut, for connecting pipes in the air conditioning and cold fields
05/02/1991EP0424583A1 Pipe coupling
04/1991
04/17/1991CN2075292U Joint of buried pipeline
04/10/1991CN2074850U Pipe screw joint end without threading
03/1991
03/27/1991CN2073965U Wireless connecting piece for pipeline
03/26/1991US5002316 Cantilever lip conduit coupling member and assembly
03/26/1991CA1282090C Pipe coupling
03/13/1991CN2073067U Quick pipe head
03/12/1991US4998831 Force concentrating unitary fitting
03/12/1991US4998560 Fluid loading arm emergency disconnection system
03/06/1991EP0414666A1 Fiber metal object and a method for its manufacturing.
03/05/1991US4997217 Breathing mask-hose coupling
02/1991
02/20/1991CN2071739U Valve connecting means with movable joint
02/19/1991CA1280361C Adjustable cement head manifold
02/13/1991EP0412677A2 Pipeline coupling
02/05/1991CA1279881C Pipe union for cryogenic fluids
01/1991
01/16/1991CN2069521U Weldless bidirectional fastening deformation pipe joint
01/15/1991WO1991001466A1 A high pressure tube assembly and method of manufacture
01/15/1991US4984828 Device for sealing the end of a flexible collar to a flexible tubular wall
01/15/1991CA2057074A1 High pressure tube assembly and method of manufacture
01/10/1991WO1991000471A1 Pipe joint mechanism having high maintainability
01/09/1991EP0406597A2 Pipe connection
01/01/1991US4980961 Method of forming a double upset tube assembly
12/1990
12/26/1990CN2068185U Radiator expansion supplement core
12/26/1990CN1048095A Single compensation method for underground pipe connection
12/18/1990CA1277873C Security devices
12/11/1990CA1277691C Coded coupling
12/06/1990DE3922174C1 Wedge sealing sleeve on pipe - is assembled using jig with dummy pipe fitting producing radial knife-edge contraction
11/1990
11/28/1990CN1010608B Flange connection
11/07/1990EP0396367A1 Water faucet inlet line connector
11/07/1990EP0396029A1 Connector fitting
11/07/1990CN2065276U Pipe jointer
11/07/1990CN2065275U Combined tube joint
10/1990
10/31/1990CN2064853U Loose-joint pipeline accessory
10/31/1990CN2064852U Water inlet pipe joint for automatic washing machine
10/23/1990US4964657 Water facet inlet line connector
10/17/1990EP0392470A2 Plastic bore seal
10/17/1990EP0322508B1 Pipe joint element
10/10/1990EP0235262B1 Fatigue resistant coupling for tubular members
10/09/1990CA1275057A1 Protective cap
09/1990
09/26/1990EP0389250A1 Cantilever lip conduit coupling member and assembly
09/25/1990US4958859 Pre-assembly muff for the cutting or clamping ring of a pipe coupling
09/25/1990US4958856 Pressure energized sealing joint
09/19/1990EP0387695A2 Providing a threaded connection between two tubes
09/07/1990WO1990010170A1 Method of forming a mechanical connection to an object
08/1990
08/29/1990CN1009386B Thin-wall pipe union and bind structure with pipeline
08/28/1990US4951978 Heat-recoverable composition coupling device
08/23/1990WO1990009539A1 Assembly for forming a mechanical connection to an object
08/21/1990US4949656 Distribution manifold for mobile span-and-tower irrigation systems
08/08/1990EP0381603A1 Method for making a tight joint between rigid pipes, and joint obtained thereby
08/08/1990EP0380970A2 Pipe connection and process for manufacturing the same
08/08/1990EP0163661B1 Universal connector
08/07/1990US4945623 Method of repairing a seal jointing fitting repair
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