| Patents for F16L 23 - Flanged joints (7,944) |
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| 05/13/1993 | WO1993009376A1 Rotatable vacuum flange |
| 05/13/1993 | CA2099365A1 Rotatable vacuum flange |
| 05/12/1993 | EP0541149A1 A pipe restraining collar member |
| 05/12/1993 | CN2132906Y Thick-wall pipe welding-free flanged connecting structure |
| 05/12/1993 | CN2132905Y Flared welding-free flanged connecting structure |
| 05/12/1993 | CN2132904Y Fast wedge-sealing welding joint |
| 05/11/1993 | US5209524 Pipe restraining collar member having protrusions of different sizes |
| 05/11/1993 | US5209522 Anti-extrusion apparatus for an inwardly compressed seal |
| 05/07/1993 | CA2080861A1 Pipe restraining collar member |
| 05/06/1993 | DE4223721C1 High-pressure flange sealing system - has two stages of sealing rings with metallic support member and leakage control chambers |
| 05/04/1993 | CA1317116C Helium pressure seal for a cryogenic refrigerator |
| 04/29/1993 | DE4135521A1 Flat flange for welding to pipe - has groove on upper surface in welding area of pipe |
| 04/27/1993 | US5205356 Well starter head |
| 04/27/1993 | CA1316674C Joint connection for annular flanges |
| 04/21/1993 | EP0538165A1 Means of locking a laid pipeline |
| 04/21/1993 | EP0537594A2 Method of forming a flanged-joint-profile; flanged-joint-profile in particular for air-duct installations |
| 04/20/1993 | US5203594 Pipe coupling |
| 04/15/1993 | CA2080423A1 Locking means on a laid conduit |
| 04/14/1993 | CN1070993A Interchangeable process connection resistant to installation errors |
| 04/13/1993 | US5201344 Emissions eliminator blind |
| 04/10/1993 | CA2079404A1 Clamp |
| 04/07/1993 | CN2129362Y Conical-wedge type adaptor |
| 04/06/1993 | US5199153 Method for making a flanged pipe length having a lining of plastic material |
| 04/06/1993 | CA2014165C Catalytic converter front flange and method of making same |
| 04/06/1993 | CA1315827C Specialized hose connector for connecting hydraulic hoses and ports of different ratings |
| 04/01/1993 | WO1993006405A1 Pipe coupling |
| 03/31/1993 | EP0534584A1 Connection between two subsea tubular members |
| 03/30/1993 | US5197766 Fluid-carrying tube coupling assembly with internal seal and drain arrangement |
| 03/24/1993 | CA2065489A1 High preload mechanical connector |
| 03/18/1993 | WO1993005330A1 Flange shield |
| 03/18/1993 | WO1993005329A1 Interchangeable process connection resistant to installation errors |
| 03/18/1993 | DE4130593A1 Self-cleaning seal for pipe flange coupling - has inner seal ring contacting fluid flow and outer seal ring to form space for cleaning flow between rings |
| 03/17/1993 | EP0531440A1 Seal ring |
| 03/17/1993 | CN2128332Y Lined insulation flange |
| 03/11/1993 | DE4129389A1 Pivoted vertical exhaust tube for agricultural motor vehicle - consists of two sections, connected by joint above engine bonnet |
| 03/03/1993 | EP0528836A1 Method and device for forming flanges an plastic pipe |
| 03/02/1993 | US5190324 Pipe restraining member |
| 02/25/1993 | DE4127498A1 Pipe connection using cutting ring - has inner circumferential groove holding widened end of pipe |
| 02/25/1993 | DE4126708A1 Plastics or plastics coated pipe coupling - has cage forming groove to hold even rigid inflexible sealing rings |
| 02/23/1993 | US5188400 Spring loaded coupling with positive spring latch |
| 02/23/1993 | US5188397 Clamp and clamp supporting apparatus |
| 01/26/1993 | US5182076 Method for monitoring the emplacement of a transportable element and the tightness of its joint with a fixed structure, and the use of this method |
| 01/20/1993 | EP0523518A2 Flange ring |
| 01/19/1993 | US5180193 Elastomer-lined metal pipe |
| 01/07/1993 | EP0521822A1 Device for the connection of two jacket tubes |
| 01/07/1993 | EP0521232A1 Link chain for pipe flange connection |
| 12/29/1992 | US5174615 Mechanical joint connector and joint employing said connector |
| 12/17/1992 | DE4119296A1 Joint for corrugated pipe - has nipple with conical faces to which pipe is fastened by clamp |
| 12/15/1992 | US5170659 Apparatus and method for detecting fluid leakage |
| 12/09/1992 | CN2124367U Gray cast-iron pipe with mechanically connecting |
| 12/09/1992 | CN2124365U Composite thermal insulation air pipe for air conditioning |
| 12/03/1992 | DE4117527A1 Pipe component with facing metal flanges and seal - has concave faces for better absorption of tension forces |
| 12/02/1992 | CN2123673U Glass fiber reinforced plastics lining pipe |
| 11/26/1992 | DE4116934A1 Sealing ring for large dia. flange joints - comprises strips formed by strings of graphite strips parted off from sheet |
| 11/24/1992 | US5166475 Pipe flange connections having improved conductivity thereacross |
| 11/24/1992 | US5165736 Corner profile for coupling channel members |
| 11/24/1992 | US5165730 Duct joining system |
| 11/18/1992 | CN2122300U Quick mounting-dismounting flange |
| 11/18/1992 | CN2122299U Movable joint flange of underground duct |
| 11/17/1992 | US5163715 Lined pipe connection device and method |
| 11/17/1992 | US5163712 Rotatable vacuum flange |
| 11/12/1992 | WO1992019897A2 Sealing system for connecting vcr-type and flat coupling hardware |
| 11/04/1992 | CN1018948B Flange connection apparatus |
| 10/28/1992 | CN2120241U Monolithic steel and plastics compound tube fitting |
| 10/27/1992 | US5157816 Interconnection of cylindrical parts |
| 10/21/1992 | EP0509568A2 Tubular coupling with an incorporated electrically isolated flange for metal pipelines and the like |
| 10/21/1992 | EP0509546A2 Joining device for sections of a cylindrical cape of sheet metal, which are jointed on points of impact |
| 10/16/1992 | CA2064501A1 Insulating flanges for metal pipelines |
| 10/15/1992 | WO1992017730A1 Drill casing connectors |
| 10/14/1992 | EP0508890A1 Reinforced sealing ring |
| 10/14/1992 | CN2118886U Pipe joint parts |
| 10/08/1992 | DE4130714A1 Band coupling for connecting flanges of two pipes - has slots and pegs in coupling and flanges |
| 10/07/1992 | CN2118226U Steel clad plastic pipe flanged joint |
| 10/06/1992 | CA1308369C Corner bracket and interconnection system for ducting |
| 09/30/1992 | CN1018472B Flexible joint |
| 09/29/1992 | CA1308043C Leak sealing |
| 09/24/1992 | DE4108894A1 Loose flange connection for plastics pipe system - rests on support centring ring preventing curvature |
| 09/23/1992 | CN2116824U Removable flage with close construstion |
| 09/22/1992 | US5149143 Connector assembly with detachable sleeve |
| 09/22/1992 | US5149142 Vent collar for plastic lined pipe |
| 09/17/1992 | DE4108226A1 Low-leakage type seal for flanges - has two thin overlapping stainless steel strips with lugs bent outwards held between graphite sealing layers, and similar metal locking cramp |
| 09/16/1992 | EP0503113A1 Process for coating a measuring pipe of a flow meter |
| 08/27/1992 | DE4203901A1 Coupling flange for exhaust pipe - has captive nuts in one half and gasket attached to other half |
| 08/27/1992 | DE4105206A1 Pipe coupling with two partly inserted parts - has one part axially short, and annular section between groove and short part of reduced dia. |
| 08/26/1992 | CN2114078U Flanged joint assembly ring for pipelines |
| 08/25/1992 | US5141257 High preload mechanical connector |
| 08/20/1992 | WO1992014058A1 Junction assembly with leak detection means |
| 08/19/1992 | WO1992014959A1 Pipe joint |
| 08/19/1992 | CN2113385U Barrel body flange bearing internal pressure |
| 08/19/1992 | CA2100750A1 Pipe joint |
| 08/12/1992 | CN2112743U Reinforced fibreglass tube composed integrally with flange |
| 08/11/1992 | US5137305 Pipe coupling |
| 08/04/1992 | US5135270 Apparatus for connecting the ends of a pair of oval duct sections |
| 07/30/1992 | DE4101849A1 Flange connection with two flanges - has tension clip with four parallel sections engaging over flange faces |
| 07/29/1992 | EP0496651A1 Sealing, particularly for a flanged joint |
| 07/28/1992 | US5133580 Butt connection between two air duct sections made sheet of metal |
| 07/23/1992 | WO1992012375A1 A multipurpose tool for use in moving heavy industrial equipment |
| 07/22/1992 | EP0439580B1 Pipe joint |
| 07/21/1992 | US5131698 Device for hermetically coupling two smooth tubes disposed end to end |
| 07/21/1992 | US5131694 Joint seal between valve body and removable port |