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| Number | Title | Issue Date |
| 6902202 | Method and device for connecting parts of an exhaust gas system A method and a device for connecting parts of an exhaust gas system which comprises at least one metal tube formed from a bellows and optionally further parts disposed coaxially within and/or outside of the bellows and at least one further system part to be connecte... | 06/07/2005 |
| 6375228 | Coupling units connecting tubular members having a hardened inner wall for carrying mechanically abrasive fluid concrete A concrete flow line made up of a plurality of end to end pipe sections with pipes connected to each other by a coupling assembly provides for carrying abrasive fluid concrete to a deposit site. The coupling assembly includes an insulating thin sleeve sli... | 04/23/2002 |
| 5667254 | Device for connecting a container wall with a pipe A device for connecting a container wall with a pipe which extends through the container wall. The device comprises a muff which is provided on the outside of the pipe. One end section of the muff is connected with the pipe and the container wall is conne... | 09/16/1997 |
| 5480195 | High-pressure pipeline Basic segment of a high-pressure pipeline has elements (1) and (2) connected to one another with an oblique rotary connection inclined at angle (alpha) to the pipeline axis (7), wherein the turning angle (8) of said oblique connection intersects in piping... | 01/02/1996 |
| 5222771 | Brazed pipe assembly and method A fluid pipe assembly comprises a block, and a discrete eye joint. The block has a rear wall defining a mounting surface adapted to be mounted to a base, and a side wall defining a recess. The block includes mounting holes extending therethrough, and a pa... | 06/29/1993 |
| 5086854 | Drill pipes for rotary-vibratory drills A drill pipe for combination rotary-vibratory drills. The pipe includes an elongated pipe member and a connector for connecting the drill pipe to another drill pipe. The connector includes a threaded member at one end of the pipe member. The connector and... | 02/11/1992 |
| 4997211 | Connection of an uncooled pipe with a cooled pipe The end of the uncooled pipe (1) is forked in cross-section, creating an inner and an outer section (5 and 6). The outer section is secure to a cooled pipe (2) and the inner section extends into the cooled pipe with radial and axial play. The annular gap ... | 03/05/1991 |
| 4858965 | Concentric injection flow pipe junction A pipe junction for concentrically mixing fluid flow streams is fabricated entirely of stock dimension plate and pipe materials with a faired main stream flow around the disruption of the injection flow pipe penetration and with all assembly seams, welded... | 08/22/1989 |
| 4784409 | Polybutylene plumbing fittings and method and apparatus for assembly thereof A plumbing construction is provided including a pipe, a fitting, and a bushing, each formed from polybutylene and providing a fluid-tight connection between the pipe and the fitting. The bushing is mounted about the pipe and an end of the pipe and the bus... | 11/15/1988 |
| 4547096 | Alignment of tubular piles for joinder An aligner and method of alignment of two tubular piles for joinder. The aligner extends from one end of one tubular pile for insertion in the other tubular pile. One or more shim members are disposed between and in engagement with the outer surface of th... | 10/15/1985 |
| 4348041 | Butt welded tubular structure of austenite stainless steel A butt welded tubular structure composed of tubular members of austenite stainless steel including a restraining member providing a cover to the entire outer circumferential surfaces of a welded joint and heat affected zones of the tubular members, the re... | 09/07/1982 |
| 3934318 | Pipe clip Chain-like clip composed of a number of detachable link members and intended for fixation of pipes to be welded to each other during a welding operation. The clip can easily be adapted to different diameters. Besides uniform clamping force can be exerted ... | 01/27/1976 |
