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| Number | Title | Issue Date |
| 8096590 | Connecting structure for piping A seal material and a washer are fitted on a piping main body of a first piping, a bead portion is inserted into a bead portion insertion hole and the seal material and the washer are inserted into a seal material insertion hole. In this state, a female screw is thr... | 01/17/2012 |
| 7984932 | Threaded union for tubulars used in high-pressure fluid applications A threaded union for tubulars used for high-pressure fluid applications includes a unitary nut supported by at least two nut retainer segments received under a top wall of the nut in an annular segment retainer groove in one of the tubulars. The nut retainer segment... | 07/26/2011 |
| 7980601 | Coupler for corrugated pipe A coupler for a corrugated pipe in which several elements thereof can be handled as a single assembly body, and which can be coupled to the corrugated pipe through a simple process. The coupler includes a coupling base, a guide member, a compression ring, a force-fi... | 07/19/2011 |
| 7963571 | Tubing configuration and sealing method for high pressure tubing on high pressure fuel systems A high-pressure joint for sealing the high pressure at the tubing ends for a high-pressure fuel system on diesel and gasoline engines. One form of the invention of such a method is disclosed using a harder male fitting and a hard tube end and introducing a replaceab... | 06/21/2011 |
| 7922216 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same A metal ring gasket provides a high-pressure temperature tolerant metal-to-metal seal between subcomponents of a threaded union. The metal ring gasket is received in an annular cavity formed between mating surfaces of the subcomponents of the threaded union. The met... | 04/12/2011 |
| 7896406 | Hose connector A hose connector includes a cylindrical elongated member having a first and second end, a first and second inner sleeve rotatably mounted on the cylindrical member, and a first and second outer sleeve capable of connecting to the respective first and second inner sl... | 03/01/2011 |
| 7810851 | Wrenchless manifold A sprinkler apparatus including a manifold is used with a nipple and a union. The manifold includes a pipe section and at least one port. There is a fitting on the port. The nipple has a proximal and distal end. A fitting is located at the distal end of the nipple. ... | 10/12/2010 |
| 7793994 | Threaded tubular connection A tubular connection including a first joint having outer threads and an inner bore, and a second joint having outer threads and an inner bore. The tubular connection further includes an outer nut having inner threads that cooperate with the outer threads of the fir... | 09/14/2010 |
| 7726701 | Connecting mechanism for thin stainless steel pipe and joint A connecting mechanism for a thin stainless steel pipe and a joint includes a thin stainless steel pipe in which a chevron type projection portion is formed in an outer periphery of an end portion, a joint having an inner diameter inserting the thin stainless steel ... | 06/01/2010 |
| 7686351 | Soft insert gasket Gasket comprising an inner ring having an outer surface, an outer ring having an inner surface, and an intermediate ring disposed between the inner ring and the outer ring, wherein the intermediate ring has an inner surface in contact with the outer surface of the i... | 03/30/2010 |
| 7654585 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same A metal ring gasket provides a high-pressure temperature tolerant metal-to-metal seal between subcomponents of a threaded union. The metal ring gasket is received in an annular cavity formed between mating surfaces of the subcomponents of the threaded union. The met... | 02/02/2010 |
| 7591488 | Fitting particularly for high-pressure pipes A pipe end centered on an axis is formed with a radial outward enlargement having an axially inwardly directed face lying in a plane perpendicular to the axis. An annular reinforcement fitted in the enlargement is braced radially outwardly thereagainst and has an ax... | 09/22/2009 |
| 7568736 | Joint structure of branch connector for common rail A joint structure of a branch connector for a common rail capable of securing axial force applied to a seal surface and a branch connector and increasing bending fatigue strength of the branch connector is provided. In the joint structure of the branch connector for... | 08/04/2009 |
| 7549680 | Fluid connection assembly A fluid connection assembly for connection to a fluid supply member that extends through a panel from a rear to a front surface of the panel includes a connection member that is engageable with the fluid supply member at the front surface of the panel. A connector i... | 06/23/2009 |
| 7490867 | Pipe connector and a method for production thereof The invention relates to a pipe connector for a pressure-resistant, positive-fit, high pressure screwed joint. The connection includes a formed tube; a screw body or connector branch with a cone, which connects to a parallel axis drilling, with a radial end surface;... | 02/17/2009 |
| 7484776 | High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same A metal ring gasket provides a high-pressure temperature tolerant metal-to-metal seal between subcomponents of a threaded union. The metal ring gasket is received in an annular cavity formed between mating surfaces of the subcomponents of the threaded union. The met... | 02/03/2009 |
| 7452008 | Feed screw coupling for the base of hybrid outlet spigot The feed screw coupling for a base of a hybrid outlet spigot including a water control spigot located on a granite counter and an inlet pipe fixed on the bottom of water control spigot by a thread insert. A locking thread insert is set in advance of an inlet couplin... | 11/18/2008 |
| 7396051 | Swabable fluid connectors and fluid connector pairs A first fluid connector is provided for selective interconnection to and fluid transfer with a second fluid connector. The first connector comprises a fluid passageway, an internal member and an outer collar supportably disposed about the internal member for selecti... | 07/08/2008 |
| 7390033 | Screw connection device for connecting the flared ends of two pipes A screw connection device for connecting the flared ends of two pipes includes a nut, a screw and distance element which comprises a first recess or shape for accommodation of the flare at the end of a first pipe, and a second recess or shape for accommodation of th... | 06/24/2008 |
| 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 |
| 7364166 | Seal and retainer for a fluid connection A seal/retainer unit (10) comprising an annular sealing gasket (12) and a plurality of retaining legs (14) extending generally perpendicularly therefrom. The sealing gasket (12) and the retaining legs (14) are formed in one piece (... | 04/29/2008 |
| 7353883 | Automotive fire suppression system with quick connect fire suppression agent distribution system An onboard fire suppression system for an automotive vehicle includes at least one reservoir containing a fire suppressant agent and a propellant, operatively associated with the reservoir, for expelling the fire suppressant agent from the reservoir. A distribution ... | 04/08/2008 |
| 7350832 | Self-aligning, rain-tight conduit coupling/connector assembly By providing two mating components to which any desired threaded conduits are easily, securely affixed, with the mating components being constructed for interengagement with each other in a telescoping self aligning construction, an easily used, inexpensively produc... | 04/01/2008 |
| 7350831 | End structure of water pipe A water pipe includes a pipe main body made of a synthetic resin and an annular metal inner piece inserted into an end of the pipe main body. The inner piece has its diameter increased from the inside of the pipe main body so as to increase the diameter of at least ... | 04/01/2008 |
| 7350562 | Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use A drilling flange and an independent screwed wellhead provides a metal-to-metal seal that supplements the traditional elastomeric O-rings for providing a fluid seal between the drilling flange and the wellhead. The metal-to-metal seal may be achieved using a metal r... | 04/01/2008 |
| 7331615 | Pipe union with extension A pipe union with extension for interconnecting a first length and a second length of coaxial pipe may include a first annular pipe member attachable to the first length of pipe. The first annular pipe member may incorporate a circumferential flange having a shoulde... | 02/19/2008 |
| 7316423 | Fitting and pipe section for jetted bath heaters A fitting and pipe section assembly 10 that is capable of being installed in tubing 20A and 20B of a jetted bath to render the tubing 20A and 20B adaptable to accept a close fit fluid flow device 30. The fitting and pipe sec... | 01/08/2008 |
| 7309084 | High pressure quick connect coupling and seal A quick connect and disconnect pipe coupling and seal assembly including a first generally cylindrical coupling head having a bore therein for connection to a first conduit and a raised annular ring, a second generally cylindrical coupling head having a bore therein... | 12/18/2007 |
| 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 |
| 7300075 | Sealing assembly Sealing assembly, for example forming part of a flowmeter. The sealing assembly comprises a first metal body with a mating surface in which a centering chamber with a flat bottom and an upright wall are provided, and a second metal body with a mating surface provide... | 11/27/2007 |
| 7273238 | Duct coupler apparatus with compressible seals An apparatus for joining the ends of a pair of ribbed ducts together has a collar with an interior suitable for receiving the ends of the pair of ducts therein, a first coupler element translatably secured adjacent a first end of the collar, a compressible seal disp... | 09/25/2007 |
| 7267375 | Duct coupler apparatus An apparatus for joining ends of a pair of ducts together in end-to-end relationship has a collar with a first end portion and a second end portion, a first coupler element translatably secured to an exterior of the collar for moving the first end portion between fi... | 09/11/2007 |
| 7258372 | Union nut with lock member Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial col... | 08/21/2007 |
| 7240925 | Tube joint A tube joint comprises a nut member which connects a tube to a joint body, collet sections which fasten the tube by fastening pawls for being pressed radially inwardly by a pressing section of the nut member to bite into an outer circumferential surface of a diametr... | 07/10/2007 |
| 7222889 | Self-locking self-bonding rigid coupling A coupling assembly is provided for releasably interconnecting confronting ends of conduit members. The coupling assembly creates a self-locking, and self-bonding connection wherein locking and unlocking is achieved by a predetermined amount of rotation of a lock nu... | 05/29/2007 |
| 7207605 | Tube coupling Coupling components which prevent relative rotation between tubular members when break away torque forces are applied to the tubular members. In one embodiment, the invention is a locking ring for preventing relative axial rotation between two generally tubular memb... | 04/24/2007 |
| RE39584 | Pipe joint made of resin The present invention relates to a pipe joint made of resin used for laying pipes in which a high-purity liquid, ultra pure water or the like flow. According to the pipe joint of the present invention, a sealing surface pressure is generated in both axial and radial... | 04/24/2007 |
| 7201404 | Union nut with lock member Union nut (10) includes body (20) and lock member (50). Body (20) includes thread retaining end (30) with threads (33) for mounting upon a threaded pipe (120) and flange retaining end (40) including partial col... | 04/10/2007 |
| RE39552 | Pup joint with integral wing nut retention shoulder A pup joint is provided which comprises a length of pipe, a female sub integral with one end of the pipe and having external threads formed thereon, a male sub integral with the other end of the pipe, a wing nut for threadedly connecting the male sub to the female s... | 04/10/2007 |
| 7195288 | Pipe coupling The invention relates to a pipe coupling comprising a socket component and an insert component which is partially insertable to securely fit into the socket component. A ring groove between the socket component and the insert component is sealed by a ring seal. The ... | 03/27/2007 |
