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| Number | Title | Issue Date |
| 7862090 | Plug-in fitting for direct connection to housing A plug in fitting for direct connection into an aperture in a housing. The fitting includes an inner cylindrical member having a body with an external diameter, a first end, and an opposed, second end having an radially extending cam. An outer sleeve includes a body... | 01/04/2011 |
| 7604262 | Sealing arrangement for a hydraulic plug-in connection A sealing arrangement for a hydraulic plug-in connection for use in particular in the motor vehicle industry for hydraulic clutch and brake systems is fitted on a hydraulic plug-in connection and has a socket and a plug-in fitting which can be connected thereto. The... | 10/20/2009 |
| 7434849 | Pipe joint for refrigeration cycle The front end portion of a fitting projection from the portion on which a backup ring is mounted to the front end, has a diameter smaller than the inner diameter of the backup ring. The backup ring is endless in the circumferential direction thereof. The backup ring... | 10/14/2008 |
| 7364207 | Quick connect coupling A quick connect coupling having a clip, a port having an interior annular groove adapted to support the clip, a forward cylinder, a rear cylinder, and a first transition ramp, and defines a port peak distance. The coupling also has a sealing element. Additionally, t... | 04/29/2008 |
| 7249789 | Water well casing A novel design for the connection of polyvinyl chloride (PVC) casing. Each length of casing has a male end and a female end. The female end has a narrowing interior diameter with its wider interior diameter at its outermost end sufficient to receive the male end of ... | 07/31/2007 |
| 7204525 | Flowline clamp connector A flowline connection assembly connects first and second tubular members to each other. Each tubular member has an external flange on its end. A conical recess is formed in the bore at the end of each of the tubular members. A metal ring has a pair of legs extending... | 04/17/2007 |
| 7165910 | Tube connection joint and method of forming same A connection joint (20) is described that is formed by inserting a plastic connector (10) into the end of a silicone tube (14). The connector includes a plurality of barbs (12). A reinforcing agent (16) is placed between each of th... | 01/23/2007 |
| 7150478 | Integrated seal for tube to hose connection A hose connector adapted to have a polymeric hose fitted on the outer periphery of the hose connector. The hose connector comprises a metal tubing and a sealing element. The sealing element includes a ring portion and a resilient member portion attached to the ring ... | 12/19/2006 |
| 7128038 | Intake device for an internal combustion engine An intake device for an internal combustion engine includes a throttle body (1) that forms an intake passage (1a). A throttle valve (2) is arranged within the intake passage. A pipe member (26) is connected to the throttle body, wh... | 10/31/2006 |
| 7090258 | Sealing socket and method for arranging a sealing socket to a tube Sealing socket (1) and method for arranging a sealing socket to a tube (2). A sealing socket (1) includes a sleeve (3) having an outer dimension somewhat larger than the tube (2) to be sealed, defining an annular compartment (4 | 08/15/2006 |
| 7083203 | Connecting element for connecting a fuel line to a fuel injector A connecting element for connecting a fuel line to a fuel injector having a first connecting sleeve, which may be inserted into a receiver opening in the fuel line, and a first sealing element positioned on the first connecting sleeve. The connecting element may hav... | 08/01/2006 |
| 7070208 | Straight thread adjustable port end An externally threaded male hydraulic coupling member adapted for threaded and sealed attachment to a port body with a female port. The male coupling member having a tubular member with a threaded end, a bore extending through the member, a first cylindrical periphe... | 07/04/2006 |
| 7014215 | Quick connect coupling A quick connect hose coupling for connecting a hose to a fixture of the type having a hose stem portion including a hose insert portion, having a fixture portion including a fixture connection portion, and having a joinder portion is disclosed. The joinder portion i... | 03/21/2006 |
| 7008244 | Earthing pipes A ground or earth connector comprises a metal tube having an integral connecting member. The earth connector is designed to be attached to a metal pipe, for example, a pipe in a central heating system, with the connecting member being deformable into permanent engag... | 03/07/2006 |
| 6969094 | Tube coupling A tube coupling for the detachable coupling of tube line sections of a high-pressure tubing system. The tube coupling includes two coupling blocks held together by a clamping screw, whereby one of the coupling blocks has a coupling plug that engages a plug socket pr... | 11/29/2005 |
| 6948718 | Gasket An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded wit... | 09/27/2005 |
| 6854770 | Pipe or the like, a female end ring, and a method of manufacturing such a pipe or the like A pipe formed from a concrete cylinder has an end ring with a ferrule which can be snuggly mounted on one end of the pipe and a skirt axially adjacent to the ferrule for receiving a mail endpiece of another pipe. The ferrule is expanded as it is mounted on the cylin... | 02/15/2005 |
| 6848725 | Thermal expansion connection for rigid pipes A thermal expansion connection for rigid pipes in low-pressure applications subject to thermal expansion and shrinkage. The connection is formed between the distal end of a first rigid pipe received within the proximal end of a second rigid pipe. At least one seal i... | 02/01/2005 |
| 6769721 | Molded plastics tubular couplings A molded plastic tubular coupling including a plastic sleeve having an integral head at one end. The sleeve provides a cylindrical outer surface to engage in a corresponding bore of another component. The cylindrical outer surface has an encircling annular recess an... | 08/03/2004 |
| 6764109 | Hammer union and seal therefor A hammer union comprises a thread end, a nut end and a hammer nut which, when cinched up, compresses a composite seal assembly thereby preventing leakage. The seal assembly comprises a metal insert of a size to pass into the seal groove of conventional hammer unions... | 07/20/2004 |
| 6641179 | Mobile air conditioning system connection having a captured O-ring An improved fitting for mobile air conditioning systems is disclosed that reduces the risk of damage to fitting O-rings during assembly, the fitting male member being compatible with the fitting female member of many existing fittings currently in service... | 11/04/2003 |
| 6641178 | Jointing system for pipes A copper pipe has a circumferential groove formed in an outer wall to receiver an O-ring seal. The groove is formed a pre-set distance from a free end of the pipe. Two pipe lengths are jointed together by a coupling having a housing with pipe seal-receivi... | 11/04/2003 |
| 6598905 | Hose coupling A coupling and methods for assembling and using the coupling for connecting a hose with a tube, pipe or other hose in an automotive refrigerant system. The coupling comprises a connector member connected to a tube, pipe or hose, the connector member havin... | 07/29/2003 |
| 6588805 | Coupling adapter and assembly The present invention includes a pre-assembled, high-pressure coupling interface adapter for use with a non-threaded port of a female member. The adapter comprises a generally cylindrically shaped metal body including a central longitudinal channel and an... | 07/08/2003 |
| 6578882 | Corrugated pipe structure A pipe structure includes an annular corrugation centered on an axis. The corrugation has a cylindrical liner centered on the axis, two annular sidewalls extending radially outward from axially opposite ends of the liner, and an annular crown extending ax... | 06/17/2003 |
| 6540264 | Quick connector for piping In a quick connector for piping 10 for detachably connecting a male member 12 to a female member 11, an O-ring 15 is interposed between the female member 11 and the male member 12 so as to form a seal therebetween, and the O-ring 15 is subjected to a low-... | 04/01/2003 |
| 6467819 | Method for rotational attachment of a connection fitting to an opposing surface A method is provided for rotationally attaching a connection fitting with an opposing surface by screwing the fitting into the opposing surface by threads on an outer surface of the fitting body. The connection fitting is formed by at least one seal manuf... | 10/22/2002 |
| 6454314 | Seal for a plug-in connection An elastomeric seal seals a pipe which is held in a push-in part of a plug-in coupling relative to a cylindrical interior surface of a housing of the plug-in coupling, into which the push-in part is pushed together with the pipe. The seal is in prestresse... | 09/24/2002 |
| 6439620 | Tube support A tube end support (10) for locating a tube end coupling comprises a sleeve (11) to be received in a tube having an encircling head (12) adjacent one end of the sleeve to limit entry of the sleeve into the tube. A gripper device (16) is disposed on the sl... | 08/27/2002 |
| 6367848 | Counterbored joint Past applications have found that a joint becomes damaged due to the high loading and vibration loads in which it encounters during operation. The counterbored joint utilizes the flexible shim that is larger than the body receiving bore. A undercut is mac... | 04/09/2002 |
| 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 |
| 6199915 | Connector element for tubing or hoses A connector element is provided for tubing or hoses of elastically expandable material with a tubular part of inelastic material that can be inserted tightly sealed into a tubing or hose end and that features a so-called pine-cone or thorn profile. In ord... | 03/13/2001 |
| 6176523 | Joint for variable wall thickness conduit An improved joint for a variable wall thickness conduit is disclosed. The joint includes a female joint section and a male joint section. The female joint section has a body portion which terminates in a first support surface and a sealing sleeve which ex... | 01/23/2001 |
| 6173994 | Coupling assemblies for providing fluid connection A coupling assembly comprising a female connector body, a male member, a retainer and a dust barrier. The female connector body defines a bore extending axially inward into the connector body from an entrance. A radial face is defined in the bore axially ... | 01/16/2001 |
| 6168208 | Seal for use with roof drains A sealing grommet is for use in coupling in sealed relation a drain pipe depending from a roof and a co-operating leader pipe. The bottom end of the drain pipe is inserted into the top end of the co-operating leader pipe. The outside diameter of the drain... | 01/02/2001 |
| 6126209 | Pipe having an in-line bell An in-line bell pipe is provided, formed by joining at least two corrugated sections of pipe having a male portion and a female portion to connect the corrugated sections. Each corrugated section has a plurality of first corrugations having a crest and a ... | 10/03/2000 |
| 6095571 | Tubing connector A tubing connector for sealingly engaging an end portion of a tubing to serve as a conduit for pressurized fluids is described. The tubing connector is particularly intended for use with a composite tubing having inner and outer plastic layers with an int... | 08/01/2000 |
| 6045166 | High pressure plug/port assembly A high pressure plug/port assembly includes a plug having a head portion at one end, a guide portion at the other end and an O-ring portion therebetween. An annular plug seat surface extends radially inward from the head portion to the O-ring portion at t... | 04/04/2000 |
| 5845945 | Tubing interconnection system with different size snap ring grooves A threadless interconnection system for sections of pipe as provided by a male/female interconnection in which the male member and female members have mating tapered surfaces providing both the camming action for inset snap rings that engage concurrently ... | 12/08/1998 |
| 5511830 | Quick connect tube couplings A quick connect tube coupling is configured for use with unstepped bores in conventional fittings, valves, manifolds and similar devices. The coupling includes a tubular tube support which has structure thereon for positively coupling with a brass sleeve ... | 04/30/1996 |
