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| Number | Title | Issue Date |
| 7093860 | System for joining sections of composite reinforced line pipe A composite reinforced line pipe is manufactured by aligning first and second pipe segments each having a composite reinforcement wrapped circumferentially about a core, attaching the line pipes at a cut-back portion of their exposed core, wrapping a joint tape circ... | 08/22/2006 |
| 7007982 | Tube fitting A tube fitting capable of absorbing vibration and shock resulting from a high pressure fluid passing through the tube fitting while it is used includes a connection head, a connection nipple, and an intermediate connection member. The connection head and the connect... | 03/07/2006 |
| 6966581 | Apparatus for distinguishing between tubing assemblies An apparatus for use in identifying or distinguishing at least one substance or article associated with the apparatus is disclosed. The apparatus comprises a translucent body and an identification formation. The translucent body is for defining or engaging an openin... | 11/22/2005 |
| 6905141 | Glass elements with a conductive coating, the use thereof, as well as devices, installations and pipe conducts produced therefrom Glass modules for use in the assembly of equipment, installations and for pipe works, the surfaces of which are entirely or partially coated with a conductive coating, in particular from transparent conductive polymers for the purpose of reducing surface resistance,... | 06/14/2005 |
| 6173997 | Flexible entry boot A flexible entry boot assembly provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. The flexible entry boot assembly comprises a seal member disposed within the containment region. A securing ... | 01/16/2001 |
| 6173995 | Self-flaring, split bushing pipe fitting and hose assemblies employing same A self-flaring fitting assembly for semi-flexible, convoluted tubes or pipes is provided. The inventive fitting assembly, which basically comprises an adaptor, a nut, and a split bushing assembly, eliminates the need for sealing gaskets, is reusable, and ... | 01/16/2001 |
| 6145889 | Rotary joint A rotary joint comprises: a joint main body constructed of a casing (1) and a housing (3); and, a rotary body (8) inserted in the joint main body and rotatably mounted therein. In the joint: a part of an outer peripheral surface of the rotary body (8) ser... | 11/14/2000 |
| 6102442 | Waterlight fitting for flexible conduit The present invention describes an improved connector for attaching flexible metallic and non-metallic conduit to electrical panel or junction boxes. The improved connector comprises a two pieces. The first piece comprises a metallic cylindrical inner bod... | 08/15/2000 |
| 6099975 | Molded nipple connection system A molded nipple connection system for permanently molding a metal nipple within a plastic container that is not susceptible to expansion/contraction forces incurred by the plastic container. The inventive device includes a metal nipple having a threaded e... | 08/08/2000 |
| 6070914 | Pipe coupling A pipe coupling for connecting pipes having unprofiled end sections includes an elastomeric sealing gasket for holding the unprofiled pipe end sections in a sealed manner. A clamping clip surrounds the sealing gasket. The clamping clip includes a clip str... | 06/06/2000 |
| 6059338 | Pipe connection A pipe connection includes a pipe having a smooth-ended end portion pushed onto a sleeve-like region of a fitting. The fitting includes a stop at one end of the sleeve-like region. A seal is arranged between the sleeve-like region of the fitting and the p... | 05/09/2000 |
| 6012744 | Heavy weight drill pipe A heavy weight drill pipe member is disclosed for use in drilling high angle and horizontal well bores in a corrosive environment. The heavy weight drill pipe member consists of a tubular member with a longitudinal bore therethrough, and includes connecto... | 01/11/2000 |
| 5971441 | Rust-resistant sleeve for use in a branch hole of a water pipeline A rust-resistant cylindrical metal sleeve for preventing rust and corrosion from developing around the wall of a branch hole when the sleeve is rigidly fitted into a branch hole that is drilled through the wall of a metal conduit such as a water pipeline.... | 10/26/1999 |
| 5961158 | Welded member and clean room A welded material composed of welded ferritic stainless steel in which the outermost surface of the welded part contains a chromium oxide surface containing no iron oxides.... | 10/05/1999 |
| 5961154 | Fume duct joint with clamping collar A fume exhaust duct joint, a clamping collar for clamping two cylindrical dual-laminate duct sections joined by an internal slip collar, and a method for assembling the joint. A first embodiment of the clamping collar has two clamp portions each including... | 10/05/1999 |
| 5961159 | Quick-coupling part arrangement A first quick-coupling part can be brought into interaction with a second quick-coupling part via an interaction portion. The quick-coupling parts are held together with locking members. The interaction portion is designed with a surface layer which bring... | 10/05/1999 |
| 5906400 | Galvanic corrosion protection system A pipe couple is shown for connecting two pipelines of different materials together in a well environment which prevents deterioration of the pipe due to galvanic action. The couple achieves its purpose by coating the interior of the more noble pipe secti... | 05/25/1999 |
| 5879819 | Sliding parts and process for producing same A sliding part has a film of an Ag-In alloy comprising 25 to 35 wt. % of In and the balance Ag and inevitable impurities and formed on a surface of a stainless steel main body thereof which surface is slidable on other stainless steel part. The Ag-In allo... | 03/09/1999 |
| 5863080 | Bell and spigot slip-joint assembly A bell and spigot slip-joint assembly comprises: a spigot having an end and a circumferential flange ring integral with the spigot and which radially and outwardly extends from the spigot, the flange ring being spaced from the spigot end to define a spigo... | 01/26/1999 |
| 5863079 | Quick connect/disconnect coupling A quick connect/disconnect coupling comprised of a male coupling adapted to mate with a female coupling, the female coupling forming a passageway to receive the male coupling, and locking means for retaining the male coupling in said female coupling. The ... | 01/26/1999 |
| 5853199 | Fatigue resistant drill pipe A tubular drill pipe section to be used in a well bore is disclosed. The drill pipe section includes upper and lower tool joints, a main steel tubular portion extending upwardly from the lower joint and terminating near the upper tool joint, and an elonga... | 12/29/1998 |
| 5836623 | Connector system for use in ultra-high vacuum systems A connector for use in an ultra-high vacuum system that has a metal conduit section with a first hardness, a metal fitting member with a second hardness greater than the first hardness of the conduit section, and a metallic reaction-inhibiting barrier pos... | 11/17/1998 |
| 5833280 | Mechanical joint A mechanical joint tube assembly and method of creating the same is disclosed for providing an improved fluid fitting assembly. A fitting having a primary tapered bore is forced onto a tube that has a larger diameter. The tube is radially contracted in ce... | 11/10/1998 |
| 5806833 | Universal non-weld pipe coupling The invention comprises a non-weld coupling and method adapted to connect two conduits. The conduits may be pipes, hoses, valves or the like and may be cylindrical, rectangular or the like, in shape. The first embodiment relates to conduits where there ma... | 09/15/1998 |
| 5785360 | Thread coupling for drill string elements for percussive drilling A thread coupling for percussive drilling has a first drill string element (2) with an internal thread (3) and a second drill string element (6) with a spigot (7) which is provided with an external thread (8) for cooperation with the internal thread (3). ... | 07/28/1998 |
| 5782500 | Passageway aligned coupling and process FIG. 2A shows an alignment and sealing arrangement for connecting two non-gender opposed conduit parts (20) and (20'). Seal (22) is captured by two opposed seal protrusions (20C) and (20C') residing on conduit part's end. Bore (18A) of alignment element (... | 07/21/1998 |
| 5759490 | Porous clip for concurrent catheter sterilization and reshaping A countertop decontamination unit (A) has a decontamination chamber (10) which contains items to be sterilized, disinfected, or otherwise microbially decontaminated. A catheter (60) has an initial curve shape (62A). However, the catheter (60) is straighte... | 06/02/1998 |
| 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 |
| 5718458 | High pressure fluid connector A connector arranged for high pressure fluid carrying conduits comprises a central core having at least one fluid passage such as an integral bore, formed therein and an outer member surrounding the central core and being moveable relative thereto. The ou... | 02/17/1998 |
| 5653477 | High pressure access fitting and method A high pressure access fitting for a vessel, pipe or like structure includes a body of a material which is weld compatible with the vessel so the fitting may be welded to the wall of the vessel. The fitting includes an internally threaded section made of ... | 08/05/1997 |
| 5595406 | Capillary tubing connector A connector for connecting a first fluid-bearing conduit to a second fluid-bearing conduit, thereby providing a substantially leak-free fluid communication between the first and second fluid-bearing conduits. The second fluid-bearing conduit is located in... | 01/21/1997 |
| 5564227 | Construction of sap collecting devices The disclosure herein describes a device for use in a sap collecting system which is formed of a body of fluid impermeable composition that has a passageway for allowing sap to circulate therethrough; the composition consists of a plastics material and of... | 10/15/1996 |
| 5553898 | Hot-tapping sleeve A hot-tapping sleeve is provided for tapping a main pipe and attaching a branch pipe. The tapping sleeve includes a split sleeve having first and second sleeve members which together form a circular bore for receiving a portion of the main pipe. The first... | 09/10/1996 |
| 5553895 | Coupling assembly A coupling assembly includes a female member having a receiving end with an axially extending passageway and inwardly facing groove extending outwardly from said passageway in a position spaced from the receiving end. A split metal locking ring is positio... | 09/10/1996 |
| 5547233 | Hydraulic swivel having selectively hardened portions A device and a method for making a device for rotatably connecting fluid flow lines such that fluid is flowable between the fluid flow lines. The device has a male component which has a male portion and a female component which has a female portion. The m... | 08/20/1996 |
| 5547229 | Fluid coupling assembly A new fluid coupling assembly includes a split male nut positioned over a coupling member or gland of a fluid system. The split male nut members are preferably formed of a precipitation hardenable material. Various interlock arrangements facilitate assemb... | 08/20/1996 |
| 5520492 | Sliding parts and method of producing same A sliding part having a metallic main body which is formed with a silver plating layer over a surface thereof slidable in contact with other metallic part. The silver plating layer has a crystal structure so adapted that the intensity of diffraction X-ray... | 05/28/1996 |
| 5402829 | Structure for high-pressure fuel injection tube and method of manufacturing the same Herein disclosed is a high-pressure fuel injection tube structure comprising: an injection tube body having a joint head at its one end; and a cap collar having a through hole generally at its center and such a sectional shape as to cover the joint head o... | 04/04/1995 |
| 5393109 | Pipe connection having a cutting ring In a pipe connection having a cutting ring comprising a metallic compound, in particular an alloy with the constituents CrNiMo, which cutting ring surrounds the pipe wall and can be pressed into same with at least one cutting edge, the cutting ring is cut... | 02/28/1995 |
| 5387016 | Tubular coupling A connector for joining together a pair of fluid carrying hose members in an automotive vehicle is disclosed. The connector includes a tubular body having a first end, a second end, and a shoulder interposed therebetween, the first end including a plurali... | 02/07/1995 |
