| Patents for F16L 21 - Joints with sleeve or socket (9,147) |
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| 04/01/1993 | WO1993006403A1 Bore tube for underground excavation |
| 04/01/1993 | DE4209603C1 Simple and watertight wall pipe section for well construction - includes individual pipe sections joined together via T=shaped sheet and comprising gravel, mineral filler, binder and foaming agent |
| 03/31/1993 | EP0530303A4 Pipe coupling system for high temperature/pressure |
| 03/18/1993 | DE4130502A1 Sprung sealing gasket for coupling pipelines - has shaped elastomer seal with folding action to contain sprung ring to protect from corrosion |
| 03/17/1993 | EP0532459A1 Junction sleeve for two plastic pipes. |
| 03/17/1993 | EP0532242A2 Quick connect tubing connector and method of assembly |
| 03/17/1993 | EP0531833A1 Novel pipe and pipe fittings and methods for securing pipe |
| 03/16/1993 | US5193859 Reinforced pipe coupling member |
| 03/16/1993 | US5193858 Mounted flange for pipework joints |
| 03/10/1993 | EP0530303A1 Pipe coupling system for high temperature/pressure |
| 03/09/1993 | CA1314299C Polyolefin resin pipes and sleeve and coupling process for pipeline |
| 03/07/1993 | CA2077619A1 Coupler for connecting two plastic pipes and process and mold for producing the coupler |
| 03/04/1993 | DE4216305A1 Spring ring and seal for ceramic pipe connection - has elastomeric seal enabling pipe end to be fixed in sleeve, covering and protecting spring ring |
| 03/02/1993 | US5190324 Pipe restraining member |
| 03/02/1993 | US5190322 Sealing cuff for blow molded plastic components |
| 03/02/1993 | US5190320 For extending a drain pipe to floor level |
| 03/01/1993 | CA2076138A1 Pipe and pipe fittings and methods for securing pipe |
| 02/25/1993 | DE4127992A1 Beton-kunststoff-verbundrohr, verfahren zu seiner herstellung und seine verwendung als vortriebsrohr Concrete-plastic composite pipe, process for its production and its use as a power-tube |
| 02/17/1993 | CN2127134Y Plug type flexible pipe joint |
| 02/16/1993 | US5186503 Device for connecting a thin-walled hose with a tubular element |
| 02/15/1993 | WO1993004310A1 Fitting for electrical conduits |
| 02/15/1993 | CA2093658A1 Fitting for electrical conduits |
| 02/11/1993 | DE4126433A1 Seal for socket pipe connection - has seal on either pipe with groove-projection mating together on connection |
| 02/10/1993 | CA2048921A1 Bottle transferer (container transferer) |
| 02/04/1993 | WO1993002313A1 Method and means for establishing a drawproof insertion joint between thin walled pipes |
| 02/03/1993 | EP0526373A1 Locked pipe fitting with composite seal assembly |
| 01/27/1993 | EP0524167A1 A working kit comprising a piping component with a spigot end. |
| 01/26/1993 | US5181689 Pipe joint apparatus |
| 01/19/1993 | US5180197 Pipe jointing system |
| 01/19/1993 | US5180196 Method of installing a ribbed sleeve gasket adapter |
| 01/19/1993 | US5180195 Joint locking system for pipe |
| 01/19/1993 | US5180193 Elastomer-lined metal pipe |
| 01/19/1993 | CA1312854C Tube auger sections |
| 01/14/1993 | DE4136519C1 Symmetrical sealing ring for sleeve corrugation - has shoulders adjacent to sealing lip, each with reduced inner dia. in direction away from lip |
| 01/14/1993 | DE4122455A1 Push-in connection for thermoplastic pipes - has ring with differently inclined flaps forming seal between connecting faces |
| 01/07/1993 | EP0521064A1 Pipe fitting with improved coupling body |
| 12/16/1992 | EP0518677A2 Pipe joint |
| 12/09/1992 | CN2124366U Pipe joint without threading |
| 11/25/1992 | CN2122995U Clamping rubber ring sealing pipe joints |
| 11/24/1992 | US5165822 Pipe joint for driving pipes laid underground by the driving technique |
| 11/24/1992 | US5165735 Electrical fitting for conduit connection |
| 11/18/1992 | CN2122298U Pipeline connector |
| 11/18/1992 | CN2122297U Extruding-tight pipe joint |
| 11/12/1992 | DE4108107A1 Sealing ring for bell joint construction of concrete pipes - seals positioned before concrete cast and form integral part of the pipe |
| 11/10/1992 | US5161836 Pipe connecting apparatus |
| 11/04/1992 | CN2120946U Improved pipe joint |
| 11/02/1992 | CA2067513A1 Pipe joint seal |
| 10/29/1992 | DE4114232A1 Sleeve connector for pipes - has outer seals and inner seals held in position by holder extending into gap between pipe ends |
| 10/28/1992 | CN2120242U Outer locking pipe connection |
| 10/27/1992 | US5158326 Casing head connector |
| 10/22/1992 | DE4112976A1 Elastomeric seal, esp. for sewage pipe socket joints - has integral, hook-ended elastomeric strip half-coated with lubricating compound before hooking strip free end to seal |
| 10/14/1992 | CN2118886U Pipe joint parts |
| 10/07/1992 | EP0507005A2 A pipe joint |
| 10/07/1992 | CN2118225U Iron based marmen pipe joint |
| 09/30/1992 | EP0506356A2 Gasket arrangements for pipe joints and pipe joints including the same |
| 09/30/1992 | CN1018472B Flexible joint |
| 09/29/1992 | US5150929 Pipe joints |
| 09/29/1992 | US5150927 Expandable seal arrangement |
| 09/23/1992 | EP0293430B1 Band clamp with oversize bolt holes |
| 09/17/1992 | DE4107994A1 Pipeline seal fitted between two opposing cylindrical surfaces - has internal cavity, open to outside by aperture, and in which removable sliding aid is stored |
| 09/17/1992 | DE4107993A1 Socketed pipe joint sealing system - has lubricant-filled slide hose fitting over wedge-section seal |
| 09/16/1992 | EP0503258A2 Pipe line connection arrangement |
| 09/08/1992 | US5145220 Pipe fitting |
| 09/02/1992 | EP0501667A2 Pipe coupling |
| 09/01/1992 | US5143381 Pipe joint seal |
| 08/24/1992 | CA2061414A1 Pipe coupling |
| 08/19/1992 | CN2113396U Low pressure thread ring pipe abutting pipe joint |
| 08/12/1992 | EP0498323A2 Sealed connection device for smooth pipe ends |
| 08/12/1992 | EP0498322A1 Device for the sealed connection of the smoothed cylindrical ends of two pipes |
| 08/12/1992 | EP0498110A1 Improved band with slotted wedge cams |
| 08/11/1992 | US5137308 Air transfer system |
| 07/29/1992 | EP0496522A1 Expandable seal arrangement |
| 07/23/1992 | CA2059170A1 Expandable seal arrangement |
| 07/22/1992 | EP0439580B1 Pipe joint |
| 07/22/1992 | CN2110765U Bolting screw-thread-free pipe joint |
| 07/22/1992 | CN2110764U Fast plastic joint sleeve |
| 07/21/1992 | US5131698 Device for hermetically coupling two smooth tubes disposed end to end |
| 07/16/1992 | DE4200265A1 Pipe clip for centring and fixing two pipe sections - has flanged ends and slide member held by tension screw |
| 07/15/1992 | CN2110125U Multipurpose quick join piece for pipeline |
| 07/14/1992 | US5129681 Method of rendering laid pipeline flexible and pipe joint suited for executing this method |
| 07/07/1992 | US5127680 Pipe joint structure |
| 07/07/1992 | US5127116 Pipe joint |
| 07/01/1992 | EP0492921A2 A pipe coupling |
| 07/01/1992 | CN2108839U Harvard type flexible joint |
| 06/30/1992 | US5125694 Quick-connect and disconnect pipe-joint fitting |
| 06/30/1992 | US5125226 Coupling ducts or the like |
| 06/17/1992 | EP0490844A1 A device for obtaining a sealing between two pipe formed connection devices |
| 06/17/1992 | EP0490638A2 Method of making a leak resistant connection between tubular members in a fluid transport system |
| 06/17/1992 | DE4114579A1 Clamping ring for elastomeric sealing ring in pipe - consists of expander ring with overlapping ends |
| 06/16/1992 | US5121946 Pipe repair or joining collar |
| 06/16/1992 | CA1303518C Plastic tube with solid cross-ribs on the outer surface, a mouldingdevice therefor; installation comprising such a device and a method for moulding a plastic tube |
| 06/13/1992 | CA2057416A1 Sealing arrangement |
| 06/09/1992 | US5120153 Fitting socket with integral reinforcing ring |
| 06/03/1992 | CN2106288U Pipe connector |
| 05/26/1992 | US5116087 Pipe which is configured for coupling to another pipe |
| 05/26/1992 | US5116083 Clamp for coupling and sealing pipe joints |
| 05/21/1992 | DE4037085C1 Releasable pipe coupler for air conditioning installation - has seal with peripheral flanges coupled by cylindrical middle part |
| 05/19/1992 | US5114191 Pipe fitting with coupling body and improved isolation tooth arrangement |
| 05/13/1992 | EP0485076A1 Fitting |
| 05/12/1992 | US5111561 Method of forming spacing ring for tubes in high temperature environment |