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| Number | Title | Issue Date |
| 7314554 | Extracorporeal blood treatment machine The invention relates to an extracorporeal blood treatment machine in which a blood circuit (3) is equipped with an inlet line leading to a filtration unit (2) and with an outlet line (3b) from the filtration unit; a fluid circuit compris... | 01/01/2008 |
| 7267180 | Multi-lock adapters for independent screwed wellheads and methods of using same A lockdown flange for use with an independent screwed wellhead includes an annular body having a center passageway with an internal diameter at least as large as a passageway through the wellhead. The lock down flange may be used to construct a multi-lock adapter fo... | 09/11/2007 |
| 7247146 | Support element for an integrated blood treatment module, integrated blood treatment module and extracorporeal blood treatment apparatus equipped with said integrated module The invention relates to support element (4) comprising a main body (6) having a front wall (25) and a peripheral wall (32) projecting away from the front wall. The front wall and the peripheral wall define a housing compartment (33 | 07/24/2007 |
| 7232418 | Support element, an integrated module for extracorporeal blood treatment comprising the support element, an apparatus for extracorporeal blood treatment equipped with the integrated module, and an assembly process for an integrated module for extracorporeal blood treatment An integrated module for extracorporeal blood treatment has a flat-shaped support element which exhibits on an internal face thereof a complex of fluid distribution lines and on an external face thereof a high-flow dialyzer. The support element has a base body which... | 06/19/2007 |
| 7223336 | Integrated blood treatment module and extracorporeal blood treatment apparatus The invention relates to an integrated blood treatment module (1) comprising a support element (4) and a fluid distribution circuitry associated thereto; the distribution circuitry comprises at least a blood line (44), a portion of which is secu... | 05/29/2007 |
| 7168495 | Casing-engaging well tree isolation tool and method of use A casing-engaging wellhead isolation and method of the tool protects wellheads from lifting pressures induced by high fluid pressures and high flow rates used to stimulate low pressure wells. A releasable packer assembly mounted to a bottom end of a mandrel of the t... | 01/30/2007 |
| 7107680 | Manufacturing method of heat exchanger and structure thereof A first plate and a second plate have brazing paste on the surface thereof. When the first plate is combined with the second plate while an inner fin is disposed therein, a protrusion forms a clearance there between. Heat is added to evaporate the organic substances... | 09/19/2006 |
| 7067032 | Tubular coupling element for producing a glued joint with a fluid line A tubular coupling element for producing a glued joint with a fluid line and a method for producing such a glued joint. The coupling element includes an inner tube that is insertable into a fluid line and an outer tube that is constructed concentric to the inner tub... | 06/27/2006 |
| 7052048 | Through flange A through-flange for attaching a pipe to the curved sidewall of a vessel. A flange portion of the through-flange is contoured to match the curvature of the sidewall and thus can be glued directly to the sidewall. A retaining ring also being contoured to match the si... | 05/30/2006 |
| 7025388 | Method and apparatus for forming leak-proof coupling for beverage distribution system A method and apparatus is provided for forming a leak proof coupling between two thin walled metallic ends in a beverage distribution system. The pipe ends are prepared by cutting the ends and ensuring that the cross-section of the ends are round. An alignment devic... | 04/11/2006 |
| 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 |
| 6976712 | Corrosion-resistant coupling means and methods for using same A coupling couples pipes of pipe fixes, especially polytetrafluoroethylene pipes. Methods for using the coupling are also provided. ... | 12/20/2005 |
| 6953141 | Joining of tubulars through the use of explosives Embodiments of the present invention generally relate to methods and apparatus of connecting wellbore tubulars by explosive welding, using a frangible anvil, and reforming a surface of wellbore tubulars at a connection. In one embodiment, a first tubular is aligned ... | 10/11/2005 |
| 6918617 | Self-centering soldered feed-through A soldered feed-through device that is inserted into a bulkhead opening has one or more sets of laterally protruding and symmetrically distributed teeth that cut through the bulkhead material as the feed-through is inserted into the bulkhead opening. The teeth autom... | 07/19/2005 |
| 6919528 | Welding machine and welding method for energy welding of cylinder members In a welding machine and welding method, for welding cylinder members together about an outside diameter, which prevents the cylinder members from being deformed and corrects the deformation of a portion to be welded, a laser beam, generated by a laser generator, is... | 07/19/2005 |
| 6910618 | Method for preparing pipe for butt welding A steel pipe is welded to a threaded connector that has an end with a desired nominal inner diameter. A swage is forced over an end of the pipe, reducing an outer diameter and an initial inner diameter of the end of the pipe. A die is then forced into the end of the... | 06/28/2005 |
| 6902825 | Brazed sintered compact A brazed sintered compact composed of first and second components, which are easily positioned relative to each other, enabling the provision of a good joining clearance. If a protrusion 3 of a first component 1 is fitted into a recess 13 of a s... | 06/07/2005 |
| 6568711 | Self gapping socket weld fittings The present invention provides a positive gapping device for socket welded fittings. The positive gapping device comprises a socket fitting having a recessed area on at least one end for receiving a pipe section that is engageable with the recessed area o... | 05/27/2003 |
| 6471249 | Adjustable pipe connector An adjustable pipe connector for joining ends of lined pipe where corrosive or erosive gases, fluids or slurries may flow to provide a continuous corrosion barrier between the ends of adjacent pipe liners. The connector provides a telescoping arrangement ... | 10/29/2002 |
| 6059320 | Compressible pipe spacer used in welding A split, ring-shaped pipe spacer used to maintain separation between a pipe and a fitting shoulder during welding. The spacer has pairs of yieldable offset segments. The two segments of each pair bulge from the spacer body in opposite directions to mainta... | 05/09/2000 |
| 5984370 | Corrosion barrier with antibacterial protection for pipe connections A corrosion resistant sleeve joining abutted ends of lined pipe where corrosive or erosive gases, fluids or slurries may flow to provide a continuous corrosion barrier between the ends of adjacent pipe liners. The sleeve is preferably a cylindrical member... | 11/16/1999 |
| 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 |
| 5915737 | Compressible pipe spacer used in welding A split, ring-shaped pipe spacer used to maintain separation between a pipe and a fitting shoulder during welding. The spacer has pairs of yieldable offset segments. The two segments of each pair bulge from the spacer body in opposite directions to mainta... | 06/29/1999 |
| 5848811 | Apparatus for solvent bonding non-porous materials to automatically create variable bond charteristics An apparatus which creates a pre-engineered solvent bond is disclosed which acts to self-optimize the characteristics of the resultant solvent bond. These characteristics can thus be chosen by the part designer with confidence that inherent variations in ... | 12/15/1998 |
| 5566984 | Cylindrical corrosion barrier for pipe connections A connection joining abutted ends of pipe includes a sleeve therein which provides a continuous seal to protect the juncture of the pipe ends and the interior portions of the pipe adjacent the pipe ends from the materials passing through the pipe. The sle... | 10/22/1996 |
| 5564752 | Apparatus for solvent bonding non-porous materials to automatically create variable bond characteristics An apparatus which creates a pre-engineered solvent bond is disclosed which allows the bond characteristics of the resultant solvent bond to be predetermined. These characteristics can thus be chosen by the part designer with confidence that inherent vari... | 10/15/1996 |
| 5547228 | Cylindrical corrosion barrier for pipe connections A weld connection joining abutted ends of pipe includes a heat limiting sleeve therein which provides a continuous seal to protect the weld and the interior portions of the pipe from the materials passing through the pipe. The sleeve may be configured fro... | 08/20/1996 |
| 5532459 | Welding sleeve of thermoplastic material The welding sleeve has a coil of a resistance wire forming two heating zones and is arranged near the inner circumference of the sleeve. Each heating zone has a region at the beginning and end in which the coil spacing is less than in the center region.... | 07/02/1996 |
| 5507528 | Method of braze joint fastening for male to female receptacles A joint for brazing includes a male member having an external surface and a female receptacle having an internal surface. The external surface is positionable in face-to-face relationship with the internal surface when the male member is inserted within t... | 04/16/1996 |
| 5460413 | Method and apparatus for solvent bonding non-porous materials to automatically create variable bond characteristics An apparatus which creates a pre-engineered solvent bond is disclosed which acts to self-optimize the characteristics of the resultant solvent bond. These characteristics can thus be chosen by the part designer with confidence that inherent variations in ... | 10/24/1995 |
| 5380048 | Tube joint Circumferentially spaced bosses concentrically position a male tube end within a female tube end. The bosses have a preferred shape which permits molten brazing material to flow evenly between the tubes, ensuring a void-free joint. The bosses provide a re... | 01/10/1995 |
| 5375889 | Electrofusion joint and hot water supply header using the same The improved electrofusion joint and header for supplying hot water that perform satisfactorily at elevated temperatures as evidenced by high heat resistance, that exhibit good sealing property and that can be handled efficiently in mounting and various o... | 12/27/1994 |
| 5366253 | Electrofusion joint and hot water supply header using the same The improved electrofusion joint and header for supplying hot water that perform satisfactorily at elevated temperatures as evidenced by high heat resistance, that exhibit good sealing property and that can be handled efficiently in mounting and various o... | 11/22/1994 |
| 5346261 | Coupled pipe assembly having a tapered interior sleeve A coupled pipe assembly having a pair of opposed, axially-positioned pipes each having opposed beveled ends and interior corrosion-resistant linings. A sleeve having heat-deflecting material is provided axially within the pipes with the heat-deflecting ma... | 09/13/1994 |
| 5251714 | Method for soldering pipe end and counter member A method for soldering in a furnace the end of a small diameter metallic pipe to a mating member. The soldered product is generally used as an oil or air supply means for automobiles and other various kinds of machines and devices. According to the method... | 10/12/1993 |
| 5125690 | Pipe joining system and method In a plastic pipe joining system a plastic sleeve is provided to extend on both sides beyond the region of contact or closest approach to one another of pipes to be joined with the sleeve being fused to both pipes, the sleeve heated to Curie temperature o... | 06/30/1992 |
| 5087308 | Method of connecting pipes of plastics material of a double pipe system A method of connecting pipes of plastics material of a double pipe system and a pipe connection made by the method. The inner pipes of the pipe system are connected to each other with a sleeve member by welding or gluing. Clamping jaws are used for holdin... | 02/11/1992 |
| 4913465 | Coupled pipe assembly A coupled pipe assembly having a pair of opposed, axially positioned pipes each having opposed beveled ends and interior corrosion-resistant linings. A sleeve having heat-insulating material is inserted axially within the pipes with the heat-insulating ma... | 04/03/1990 |
| 4894521 | Electric heating element for fusing thermoplastic materials An electric heating element for electrically fusing thermoplastic materials. The heating element comprises an elongated thermoplastic insulated wire wound in a spiral configuration with adjacent surfaces of the thermoplastic insulation adhered together.... | 01/16/1990 |
| 4794653 | Base for elevating a toilet A base having removable side rails for elevating a toilet for use by physically handicapped or elderly persons is disclosed. The base is formed generally in the shape of a flat rectangle having a height equal to the amount by which it is desired to elevat... | 01/03/1989 |
