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| Number | Title | Issue Date |
| 8020899 | PVC pipe coupling A threaded coupling for connecting a threaded first connecting drop pipe to a second connecting drop pipe. The coupling has a first female end having an enlarged exterior diameter and an interior diameter defining a lead in section which provides strength to resist ... | 09/20/2011 |
| 7984934 | Brazing of a special gas delivery system using fittings having purge orifices Copper purge fittings for brazing components of a special gas delivery line together are provided. An orifice is located on the top or end portion of each fitting to create a continuous flow of inert purging gas through the delivery line under construction while bra... | 07/26/2011 |
| 7909370 | Root-repellant drain/sewer pipe connector A root-repellant underground drain-pipe coupling, which may be made of the same resilient rubber-like material as sleeve-type drain-pipe couplings of known art, is made somewhat longer than conventional coupling sleeves and is fitted internally at each end with a th... | 03/22/2011 |
| 7874596 | Connecting arrangement with end sections of two fluid conduits to be connected A connecting arrangement has end sections of two fluid conduits to be connected to one another and a coupling element having an axis and an outer side surrounding the axis and an inner side surrounding the axis. On the circumference of the end sections first securin... | 01/25/2011 |
| 7850213 | Coupling with crossable means for couplings to connect endportions of pipes and valves A coupling to connect two pipes, and to connect pipe fittings and valves with pipes, which includes arcuates provided with inner flanges in their end portions, where said arcuates are positioned around crossable inner means, which means can also be used by different... | 12/14/2010 |
| 7404872 | PVC seismic coupling and method of installation A seismic coupling is provided for coupling a first longitudinal section of plain end plastic pipe to a second longitudinal section of plastic pipe. The coupling is provided in two halves with a left half being initially installed on the plain end of the first secti... | 07/29/2008 |
| 7350827 | Cam expansion ring assembly An expansion ring assembly and method for sealingly installing a gasket within an opening in a wall of a structure. The expansion ring assembly includes an expansion ring having first and second adjacent end portions, and first and second cam members are rotatably c... | 04/01/2008 |
| 7347456 | Sleeve for joining and sealing conduits An apparatus is provided for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge ... | 03/25/2008 |
| 7331613 | Medical tubing connector assembly incorporating strain relief sleeve A connector assembly for interconnecting separate sections of tubing, e.g., medical tubing. Connector assemblies are a two-piece construction having a connector pin and a connector sleeve. The connector sleeve includes a first end, a second end, and a passageway ext... | 02/19/2008 |
| 7316431 | Auto-adapting 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 marker and the outlet port of a paintball... | 01/08/2008 |
| 7300077 | Pipe connecting structure A pipe connecting structure for connecting a pair of sleeve-like pipes integrally in an axial direction by inserting a male side end portion of one of the pair of sleeve-like pipes into an opening of a female side end portion of the other sleeve-like pipe so as to s... | 11/27/2007 |
| 7234302 | Housing for a turbocharger A housing for a turbocharger forms a housing jacket (6, 7) which surrounds a rotor space (15) for receiving a turbine rotor (18). The housing jacket consists of sheet metal at least in part. A connection pipe (4′) provides for communica... | 06/26/2007 |
| 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 |
| 7160519 | Serviceable exhaust aftertreatment device, and configured cylindrical bodies for coupling A serviceable exhaust aftertreatment device and configured cylindrical bodies for coupling include a raised annular rib or bead structure providing low profile mounting and ease of assembly. ... | 01/09/2007 |
| 7131671 | Transparent coupling A transparent coupling for joining the ends of relatively soft plastic conduit. Visual inspection through the coupling affords confidence that the conduits have been installed in their proper position within the coupling. Internal circumferential barbs of the coupli... | 11/07/2006 |
| 7090260 | Coupling for compressed gas piston driven nailing and fuel cartridge A coupling (13) is used for a fuel cartridge (2) outlet nozzle (1) designed to supply a compressed gas mounting device with compressed gas and an intake nozzle (3) on the device's intake system (4). The coupling is a single piece f... | 08/15/2006 |
| 7077955 | Joint used in one of a water inlet or water outlet of a filter cylinder or a filter casing A joint used in one of a water inlet or water outlet of a filter cylinder, or a water inlet or a water outlet of a filter casing is disclosed. The joint is a round cylindrical tube and comprises at least one first waterproof washer installed near one end of the roun... | 07/18/2006 |
| 7032368 | Attachment for connecting a duct to a grass bagger of a mower An attachment for releasably coupling a conduit or duct on a mower to the grass bagger inlet of a grass bagger. The duct has a front end connected to a cutting deck carried on the mower and a rear end connected to the grass bagger inlet. The duct is flexible and inc... | 04/25/2006 |
| 7017951 | Strengthened pipe fitting having encapsulated reenforcing collar A strengthened pipe fitting has an internally threaded surface and a compression band. The compression band is sized to compress the internally threaded surface sufficiently so that the pipe fitting is subjected to a compressive preload. The compression band is cove... | 03/28/2006 |
| 6994378 | Sleeve for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s... | 02/07/2006 |
| 6949163 | Method of fabricating a sleeve for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s... | 09/27/2005 |
| 6913294 | Coupling for coaxial connection of fluid conduits A coupling is designed for sealingly connecting two fluid conduits such as automotive fluid lines in axial end-to-end relationship. The conduits have respective telescopically interengaging male and female end sections and the coupling comprises a base member to be ... | 07/05/2005 |
| 6904660 | Compression sleeve puller with double thread engagement and method of manufacture A puller (10) for removing a compression sleeve from a pipe (38) generally comprised of a cylindrical body (24) containing on one end an internal cavity (28) to receive the pipe (38) and an external double thread (30) to eng... | 06/14/2005 |
| 6905144 | Spring-loaded ‘L’-shaped seal ring A sealing system adapted for placement into an exterior groove of a structure. The sealing system includes a seal ring having a generally ‘L’-shaped cross-section. The sealing system further includes a canted-coil spring. The seal ring includes an inner surface,... | 06/14/2005 |
| 6896057 | Connector for expandable well screen A tubing connection arrangement that includes two expandable tubing sections is disclosed. In one embodiment, each of the tubing sections includes a filter screen sandwiched between inner expandable tubing and outer expandable tubing. On expansion of the tubing sect... | 05/24/2005 |
| 6893055 | Snap connection for connecting two tube ends The snap connection for sealed and releasable connection of a first tube end with a second tube end, with spring arms, with a first outer stop projection on the first tube end, with a first elastically deformable ring connected with the spring arms, and with two fir... | 05/17/2005 |
| 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 |
| 6848163 | Nanophase composite duct assembly A nanophase composite duct assembly and method of fabricating the same are provided that comprise an ultra-high strength nanophase aluminum alloy duct joined with a ceramic particulate reinforced metal matrix fitting, preferably using solid-state friction welding. T... | 02/01/2005 |
| 6811192 | Apparatus and associated method for joining and sealing conduits The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The s... | 11/02/2004 |
| 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 |
| 6663145 | Conduit coupling with interior grip rings A grip coupling (18) for tubular conduit has a coupling body (20) formed by two halves (22, 24) which are joined along weld lines (26). The two halves (22, 24) each include a tapered entrance section (28) and an interior seal (30). The interior seals (30)... | 12/16/2003 |
| 6604759 | Pipe connection A pipe connection of two pipe ends pushed into a sleeve. The pipe connection includes a spherical shape between the inside wall of the sleeve and the outside wall of at least one pipe end.... | 08/12/2003 |
| 6554325 | Pipe fitting and method for the production thereof The invention relates to a pipe fitting, in particular for connecting waste pipes, especially pipes consisting of glass fiber-reinforced plastic.... | 04/29/2003 |
| 6447029 | Connection apparatus for waterway pipe A connection apparatus for a waterway pipe is disclosed, which includes a plurality of pipes each having both ends which are connected in series, a coupler having protruded both ends and a connection member having a plurality of connection grooves for sur... | 09/10/2002 |
| 6446857 | Method for brazing fittings to pipes There is provided a process that includes providing an extruded fitting having a bore formed therein. The bore is machined from one or both sides of the extruded fitting to provide a ledge on one side for interacting with a corresponding fitting and a sto... | 09/10/2002 |
| 6443501 | Mid-line coupling A mid-line coupling comprising a first tube and a second tube. The first tube includes a male member formed of the first tube and an upset formed a given distance from the end of the first tube. The second tube includes a female body formed of the second ... | 09/03/2002 |
| 6131964 | SAS fitting for tube and pipe connections The present invention provides an apparatus for making a tube connection. The apparatus comprises a sleeve having an interior surface adapted for receiving a tube section therein. The sleeve further has an exterior surface having a locking mechanism dispo... | 10/17/2000 |
| 6039110 | Heat store, especially latent heat store A heat accumulator comprises an interior envelope containing an accumulator core, an exterior envelope surrounding the interior envelope at a distance therefrom so as to form an insulating chamber, two lines extending through the insulating chamber and in... | 03/21/2000 |
| 6027142 | Device for jointing feeding hose A device for jointing feeding hose appropriate to such a case as jointing a feeding hose made of synthetic resin to a part-feeding metallic pipe, in which a guiding base plate (20) in the shape of a single plate is connected to a part-feeding pipe (5) and... | 02/22/2000 |
| 5917148 | Strain relief for electrical fittings A strain relief for electrical fittings includes a body portion having a pair of ends, the first end for attachment to a connector, and the second end having a worm drive clamp for releasable clamping upon a cable. The strain relief may include a flexible... | 06/29/1999 |
