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| Number | Title | Issue Date |
| 7997628 | Mechanically restrained push-on pipe connection An apparatus, system, and method for the secure attachment and restraint of a pipe end within a fitting is disclosed. The invention includes a mechanical restraint apparatus that is integral and monolithic with the flange of a bell of a spigot-and-bell joint archite... | 08/16/2011 |
| 7690699 | Connecting piece comprising a gripping element on the outer surface for rotating the connecting piece A first element is connected to a first end of a connecting piece and a second element is connected to a second end of the connecting piece. At least one end of the connecting piece is provided with a thread, whereby the connecting piece is connectable to a pipe or ... | 04/06/2010 |
| 7559583 | Tube coupling for tube elements A tube coupling for tube elements comprising a socket and a plug which can be inserted axially into the socket. The tube coupling has a joining portion for producing a torque proof junction between the socket and the plug as well as a securing portion for securing t... | 07/14/2009 |
| 7552949 | Joint restraint for pipe fittings A joint restraint includes a split ring terminating in radially outwardly extending flanges. A shell includes a cylindrical sleeve, an annular flange at one end and arms projecting generally tangentially for securement behind lugs on a standard bell end of a fitting... | 06/30/2009 |
| 7494161 | Coming off preventing device of a joint of an air supply and exhaust pipe A coming off preventing device is provided for a joining part of an air supply and exhaust pipe which joins two pipes by inserting an entry of one air supply and exhaust pipe into a socket of another air supply and exhaust pipe. A cut out window is provided at the s... | 02/24/2009 |
| 7438240 | Hand-held sprayer for hose rollers A hand-held sprayer includes an at least partially hollow shaft section, a liquid dispensing section and a hollow connecting plug element for connecting a hose extension to the hand-held sprayer. The connecting plug element is arranged within shaft section and can b... | 10/21/2008 |
| 7431344 | Connection assembly and related method A connection system for sealingly interconnecting components of a high pressure fluid flow system, for example, an automobile engine air intake. The system can include a conduit defining a groove that is locked in a corresponding groove defined by a component, for e... | 10/07/2008 |
| 7401820 | Connector mounting structure A connector is inserted into a connection hole provided on a fluid piping equipment, and the connector is prevented from dropping out via a retainer held by a retainer holding portion. The connector has a connecting portion including a flange stop portion, and a pos... | 07/22/2008 |
| 7341285 | Chemical fusion of non-metallic pipe joints A pipe joint for joining pipes having a low surface energy and resistance to solvents. The components are an extrudable adhesive; a first pipe having a socket with an inside diameter, where the socket has a mouth, a self-centering bottom, and a cylindrical wall with... | 03/11/2008 |
| 7338093 | Connection for fluid lines The plug type connection of this invention consists of two coupling parts which can be fitted together, to be precise a socket part and a plug part, it being possible for the plug part, with a plug shank, to be inserted in a sealing manner into a locating opening of... | 03/04/2008 |
| 7331612 | Low profile tension style flexible joint A low profile tension style flexible joint for pneumatic ducting may be useful as, for example, a joint for aircraft engine pneumatic ducting. The joint of the present invention may be used at both ends of a duct that passes high temperature (up to about 1200° F.) ... | 02/19/2008 |
| 7300078 | Pipe joint clamp A pipe joint clamp for connecting piping members includes a circular holding portion in which flange portions of the piping members are clamped, and multiple flexion-shaped hinge portions, which protrude from the holding portion toward a diametrically outer side the... | 11/27/2007 |
| 7246826 | Pipe lap joint with improved sealing slot for increased circumferential closure A pipe lap joint for use with vehicle exhaust systems which includes an inside pipe end telescopically inserted into an outside pipe end with the pipe ends secured together by a band clamp. The outside pipe end includes a sealing zone having a collapsible sealing sl... | 07/24/2007 |
| 7240930 | Quick-connect/quick-disconnect conduit connectors Connector for connecting a pair of tubular components together, such as a pair of exhaust conduits of a dryer or an exhaust conduit of a dryer to a dryer vent or wall-mounted vent sleeve, including a pair of generally semi-cylindrical members each having a first, co... | 07/10/2007 |
| 7229105 | Auto-adapting tube fitting An auto-adapting fitting for releasably connecting in an end-to-end orientation, a first tube end to a second tube end having an outer diameter within a specified range for use between the ammunition feed port of a paintball gun and the outlet port of a paintball ma... | 06/12/2007 |
| 7146704 | Method for coupling connectors using an anti-rotation device The present invention is generally directed to an anti-rotation device for mating connectors, and methods of using same. In one illustrative embodiment, the method comprises coupling a first connector to a second connector, removing at least a portion of the second ... | 12/12/2006 |
| 6991265 | Device for gripping a pipe or bar A device for gripping the external wall surface of a pipe or bar. The device includes a tubular body having at least one end open for insertion of a pipe or bar, and a cage with balls or rollers cooperating with a first tapered internal wall part of the body. A resi... | 01/31/2006 |
| 6991270 | Hose coupling assembly A hose coupling assembly wherein a hose 20 having a corrugated portion 22 is coupled to a fitting block 24 by a socket 50. The fitting block 24 has a block engagement catch 25c projecting from the outside rim of the block body 25. The socket 50 comprises a so... | 01/31/2006 |
| 6921114 | Coupler for conduits A coupling assembly including a coupler body having a generally cylindrical shape and an opening at one end. The coupler body has an inner wall with an inner circumference and an outer wall. An abutment extends from the inner wall of the coupler body. The coupling a... | 07/26/2005 |
| 6918618 | Joining mechanism for PVC pipe The present invention relates to a PVC-pipe, axially-tensioned joint. The pipe joint comprises a first PVC pipe having a spigot end, wherein the spigot end has a circumferential groove in and circumferentially around the outer surface of the spigot end. An inner rin... | 07/19/2005 |
| 6913293 | Spiral spline pipe joint apparatus and method A pipe joint apparatus and method using spiral groove halves formed on the nested surfaces of male and female pipe ends. The exterior half of the spiral groove is connected to an exit port. The interior half of the spiral groove has a proximal end recessed from edge... | 07/05/2005 |
| 6808211 | Coupling for connecting two components conveying a medium In a coupling for the connection of a washing-liquid pipe in a motor vehicle to another component, a catching element (3) designed for connecting two coupling parts (1, 2) has a shell (9) of C-shaped cross section intended for gripping. Catching... | 10/26/2004 |
| 6702338 | Flue gas conduit joining connection A joining connection for the ends of flue gas conduits, each of which is provided with a complemental taper joint, each taper joint having equally-spaced locking tabs extending outwardly therefrom, the locking tabs of each conduit being so positioned as t... | 03/09/2004 |
| 6682107 | Preloaded squnch connector A connector for connecting two tubular members has a pin and a box, the box having a bore that receives the pin in stabbing engagement. The bore having a grooved profile, and a split lock ring mounted to the pin, the lock ring snapping into engagement wit... | 01/27/2004 |
| 6652006 | Fluid transfer device A fluid transfer device includes a first section and a second section. The first section includes a first flange with a first fastener on an outer diameter of the adapter. The fluid transfer device includes a coupler secured to the second section to rotat... | 11/25/2003 |
| 6520547 | Quick locking pipe joint for plain or profiled pipe A pipe and pipe coupling assembly (10) including a pipe (20) having a first end (72) and a pipe (22) having a second end (74). The first end (72) includes a threaded portion (60) and a keyway (32), and is adapted to slidably engage the second end (74). Th... | 02/18/2003 |
| 6447028 | Joint fitting A fitting for connecting two components is described. The fitting may be explosion proof for use in hazardous environments. The fitting may swivel allowing fast and easy connection to fixed components, thus minimizing the time required for installation an... | 09/10/2002 |
| 6231089 | Two piece molded female coupling A quick connect/disconnect coupling having a female coupling member, a male coupling member, and a clip member slidably mounted on the female coupling member for retaining the female and male coupling members together in a coupled state. The clip member i... | 05/15/2001 |
| 5779283 | Pipe joint unit A pipe joint unit having key members which are struck to bite the surfaces of the pipes is provided with which the pipes can easily and quickly be joined to the body of the pipe joint unit with small force, without skill and regardless of the person who d... | 07/14/1998 |
| 5720504 | Convoluted fluid connector assembly with hardened end portion A fluid connector assembly having a flexible austenitic annealed stainless steel 300 series corrugated convoluted tube. At least one end of the tube has a smooth end which is free of convoluted corrugations. The corrugated portion has a hardness range of ... | 02/24/1998 |
| 5590915 | Pipelay method and devices A reel pipelay vessel is used to lay a first pipeline (6) and a second pipeline (7) subsequently. The second pipeline (7) is spooled on top of the first pipeline (6) at a shore base by use of transition joint (11) secured to the trailing end of the first ... | 01/07/1997 |
| 5588680 | Pipe lap joint with improved collapsible sealing zone A pipe lap joint is disclosed with an improved sealing zone and which comprises a pair of end-to-end intersecting slots in the outer pipe which allow the sealing zone to be collapsed against the inner pipe by a band clamp around the outer pipe. The outboa... | 12/31/1996 |
| 5547232 | Reusable sealed coupling for two pipes A reusable sealed coupling for joining a first pipe having a first internal diameter adjacent a first end thereof which is substantially equal to an outer diameter of a second pipe, the coupling comprising: a coupler capable of receiving the first end of ... | 08/20/1996 |
| 5421781 | Couplings A method of forming a coupling or connecting a composite drive shaft to an annular member comprising the steps of locating the shaft over the member and injecting adhesive through holes in the shaft to bond the shaft to the member.... | 06/06/1995 |
| 5333911 | Connector There are disclosed several embodiments of a connector for connecting tubular members in end-to-end relation wherein a ring supported by the one tubular member carries arcuate latches which are adapted to be moved by radial actuators into and out of posit... | 08/02/1994 |
| 5205701 | Industrial robot A bundle of wiring and piping lines, for supplying a control signal and working a first arm from a control unit to a hand, passes through a first flexible pipe, one end of which is connected onto a fixing jig attached to a base unit and the other end of w... | 04/27/1993 |
| 5165735 | Electrical fitting for conduit connection A conduit coupling device includes a tubular casing with front and rear sections of reduced and enlarged diameters. A pair of relatively diametrically movable arcuate clamp members of channel shape with cross webs and flanges is provided, one of the webs ... | 11/24/1992 |
| 5104158 | Two piece molded female coupling A one piece female coupling member (24) having a front end and back end, the female coupling member (24) defining a path (34) for the flow of fluid therethrough. A male coupling member (22) having a front end and a back end and defining a path (32) for th... | 04/14/1992 |
| 5052725 | Two piece molded female coupling A one piece female coupling member (24) having a front end and back end, the female coupling member (24) defining a path (34) for the flow of fluid therethrough. A male coupling member (22) having a front end and a back end and defining a path (32) for th... | 10/01/1991 |
| 5040831 | Non threaded pipe connector system A non threaded pipe connecting system for connecting pipe without the use of threads comprising; a first pipe member; a second pipe connector member having at least two slots formed therein and an inside diameter larger than the outside diameter of the fi... | 08/20/1991 |
