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| Number | Title | Issue Date |
| 8152205 | Stainless-steel fitting for resin tubes A stainless-steel fitting for resin tubes, which easily and securely connects resin tubes and is also inexpensive, is provided. Resin tube (9) is inserted into insert part (8), provided on fitting main body (1); nut (3) is screwed onto fi... | 04/10/2012 |
| 8007013 | Fitting with adapted engaging surfaces A fitting assembly is provided with a first fitting component having a stepped wall surface; and a second fitting component radially spaced from the first fitting component when the fitting assembly is in a finger tight condition prior to pull-up. When the second fi... | 08/30/2011 |
| 7922217 | Ferrule with radial crown A ferrule for a metal tube fitting includes an annular body having a generally cylindrical radially interior wall extending through the center of the ferrule. An outer radial wall extends from the ferrule front end to a rearward flange portion of the annular body. T... | 04/12/2011 |
| 7497483 | Fitting for tube and pipe with cartridge A fitting for a tube or pipe capable of functioning a high pressures having a first fitting component adapted to receive the conduit end; a conduit gripping device such as a ferrule or ferrules and a second fitting component that can be joined to the first fitting c... | 03/03/2009 |
| 7416225 | Fitting for metal pipe and tubing A tube fitting that uses only two components, namely a fitting body and a fitting nut. The nut and body are adapted to be threadably coupled together by relative rotation therebetween. The nut includes an integral tube gripping ring that cooperates with a camming su... | 08/26/2008 |
| 7374212 | Rain tight fitting A compression fitting that obtains a rain tight fit on electrical conduit. The compression fitting includes a tubular body having a threaded forward end for connection to a panel and a threaded rearward end for connection to a conduit. A standard lock nut and seal r... | 05/20/2008 |
| 7367595 | Ferrule having convex interior wall portion High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 05/06/2008 |
| 7309085 | Threaded pipe coupling A threaded pipe coupling for connecting a pipe to a connection part with a conical exterior surface, especially for connecting copper pipes in refrigeration technology, with a sleeve-shaped union nut to form a threaded coupling with the connection part and a clampin... | 12/18/2007 |
| 7273236 | Quick coupling A quick coupling comprising a body with a conical opening and an outside thread, a nut with a central through orifice and a cylindrical counterbore extending the through orifice and tapped over its portion that is remote from the through orifice, and a conical surfa... | 09/25/2007 |
| 7270351 | Pipe coupling A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping surface adapted to abut against and provide a force on a corresponding s... | 09/18/2007 |
| 7240929 | Ferrule with plural inner diameters High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 07/10/2007 |
| 7140648 | Flexible connectors and methods of manufacturing same A flexible connector comprises a length of corrugated tubing having a distal end and an end piece having a proximal end. The proximal end of the end piece is engaged with the distal end of the length of corrugated tubing and a length of polymeric tubing is utilized ... | 11/28/2006 |
| 7100949 | Ferrule with relief to reduce galling High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the front ferrule ... | 09/05/2006 |
| 7093864 | Connecting element for pipes and method for welding a connecting element onto the end of a pipe The invention relates to a connecting element for welding onto a circular front face of a pipe, said element having an annular region, (friction region), that can be friction welded to said front face. The connecting element can be welded onto the end of a pipe with... | 08/22/2006 |
| 7080859 | Rain tight fitting for metal tubing A rain tight fitting for connecting electrical metal tubing to a panel. The rain tight fitting includes a tubular body having an inner bore and a rearward end. A threaded outer periphery and a seal ring seat are included on the rearward end. A seal ring is disposed ... | 07/25/2006 |
| 7055868 | Corrugated tube fitting A fitting for an end of a length of corrugated tubing forms a gas-tight metal-to-metal seal by rolling and folding an endmost corrugation into a axially extending annular groove in the fitting body. A ridged retainer grips the tubing corrugations above the endmost c... | 06/06/2006 |
| 7032935 | Self energizing connector The self energizing tube connector for engaging a pressurizable part made of a tube capable of sustaining pressures up to 50,000 psi without deforming is made of an upstream tube end and a downstream tube end; a ferrule with a front and rear ferrule, a lifting compo... | 04/25/2006 |
| 6974162 | Pipe coupling A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping surface adapted to abut against and provide a force on a corresponding s... | 12/13/2005 |
| 6957833 | Tube couplings A tube coupling includes a coupling body having a throughway open at one end to receive an end portion of a tube. A seal encircles the throughway to seal with the outer face and end of the tube. A cap mounted on the body has a tube locking device to engage and hold ... | 10/25/2005 |
| 6929289 | Tube couplings Embodiments provide for a tube coupler for receiving and securely holding a tube. The tube may be inserted into an opening in an end cap, which engages a coupling body for axial movement between forward and retracted positions on the coupling body. By moving the end... | 08/16/2005 |
| 6902205 | Coupling for composite pipe A pipe coupling and connector for use with composite pipe, and a method of coupling the end of composite pipe are disclosed. The coupling or connector has a cylindrical inner support with a gripping surface, a means for preventing axial movement of slips that are di... | 06/07/2005 |
| 6880865 | Tube couplings A tube coupling includes a coupling body having a throughway open at one end to receive an end portion of a tube, an annular step in the throughway facing the open end to provide an end stop for a tube end, and an end cap engaging the coupling body for axial movemen... | 04/19/2005 |
| 6877781 | Corrugated tube fitting A fitting for an end of a length of corrugated tubing has a split retainer that grips the tubing corrugations, and is engaged between a fitting body and a nut. Upon tightening the nut on the fitting body, the endmost corrugation is compressed between the retainer an... | 04/12/2005 |
| 6851729 | Tube fitting for medium pressure applications A fitting for the connection of a tubing end. The fitting includes a body having a bore with an internally-threaded opening which extends to a seating surface, and a front ferrule which is receivable coaxially over the tubing end. An externally-threaded nut is recei... | 02/08/2005 |
| 6805385 | Non-detachable press fit arrangement between a fitting and an end portion of a metal pipe In a non-detachable press fit arrangement between an end portion of a metal pipe and a socket of a fitting, the socket defines an interior space and is formed with an annular anchoring groove which faces the interior space for receiving a sealing ring. The press fit... | 10/19/2004 |
| 6783160 | Plastic-lined metal-encased tubing segment connector system The invention relates generally to a solderless metallic-encased, polymeric-lined connector system. ... | 08/31/2004 |
| 6769722 | Tube coupling device A device for producing a pressure-tight pipe coupling with at least one pipe and comprises a bushing-type, rotationally symmetric base body. The base body is provided with at least one essentially cylindrical inner chamber, having toothed elements in order to receiv... | 08/03/2004 |
| 6764107 | Self-sealing pre-assembled endfitting/coupling for corrugated tubing The present invention is a pre-assembled fitting or coupling having a body, a sleeve, and a nut. One end of the nut has a through bore that is tapered and decreases in diameter toward the end of the nut. The outer surface of the sleeve is tapered as well which facil... | 07/20/2004 |
| 6702258 | Universal ball valve assembly A ball valve assembly having a single valve body having a female inlet opening which can be coupled to a selected one of a range of commercially available conduit sizes and materials. A series of adapter fittings are used, each corresponding to a differen... | 03/09/2004 |
| 6641180 | Screw connection A screw connection including a sealing ring, a connecting piece, and a union nut for assembling a tube connector. The sealing ring has a nut side portion with an annular reinforcement on its outer face, a narrow ring portion, a ring surface with transfer ... | 11/04/2003 |
| 6629708 | Ferrule with relief to reduce galling High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so as to redirect the reaction forces acting between the fro... | 10/07/2003 |
| 6488318 | Piping joint and integrated valve with it The present invention provides a piping joint and integrated valve with the piping joint, which improve airtight and watertight, maintain connection firm, and keep constant quality regardless repeated user. In connecting part (110, 120) of the joint body ... | 12/03/2002 |
| 6467752 | Unitary fitting and ball-valve The present invention provides in combination with a ball-valve, an improvement comprising a threadless metallic fitting that incorporates both a male portion and a female portion formed as an integral unitary structure extending from at least one end wal... | 10/22/2002 |
| 6438814 | Method of forming a connection between a tube and a fitting A method of forming a connection between a tube and a fitting, in which the fitting including a body with an externally male threaded tube receiving part to receive a tube, and a female threaded member adapted to be engaged with the male thread of the bod... | 08/27/2002 |
| 6378915 | Pipe coupling A pipe coupling includes a body member (10) formed with a bore (11) for receiving one end of a pipe (P) to be coupled; a sealing ring (20) and a compression sleeve (30) receivable within the bore (11); a radially-deformable gripping ring (40) having one e... | 04/30/2002 |
| 6361084 | Adjustable plumbing connector and method A connector sleeve (2) has a structure-attachment flange (9) on a flange end, a seal surface (4, 5, 15, 17) on a seal end and a nut-retainer ring (8, 14, 16) intermediate the structure-attachment flange and the seal end of an outside periphery of the conn... | 03/26/2002 |
| 6345845 | Phase controlled sequential gripping tube fitting A phase controlled sequential gripping tube fitting for gripping a tube therein, the fitting comprising a rear ferrule shaped to receive the tube therein, the rear ferrule having a nose portion and a central body. The tube fitting further comprises a fron... | 02/12/2002 |
| 6276728 | Fitting for use with corrugated tubing A fitting for use with corrugated tubing. The fitting includes a first body having a first internal conduit therethrough and a first centerline. The first body has a plurality of fingers integral with the first body. The fingers are positioned radially ab... | 08/21/2001 |
| 6264250 | Tube joint The present invention relates to plastic tube joints to transport warm water or tap water for air conditioning use, especially so-called simple-action tube joints.... | 07/24/2001 |
| 6241290 | Pipe coupling A pipe coupling with a cylindrical pipe, whose smooth end section can be inserted into a fitting that has at least one sleeve-like area extending in the longitudinal direction. At least one sealing ring is arranged between the pipe outer wall and the fitt... | 06/05/2001 |
