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| Number | Title | Issue Date |
| 7341288 | Restrained sleeve pipe coupling A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body, a generally cylindrical adaptor body and opposed end rings which are sleeved over the respective pipe sections to be joined. The generally cylindric... | 03/11/2008 |
| 7168743 | Means to seal terminal ends of pipe sleeves An apparatus to seal terminal ends of the two half oversized sleeves, positionable on the external circumferential side of affected riser pipes. The apparatus comprises of a pair of flange bodies integral to the two half oversized sleeves and a pair of terminator bo... | 01/30/2007 |
| 6371526 | Quick cone The invention relates to a quick cone (1) for pipe assemblies for conducting fiber suspensions wherein the quick cone provides a transition from a pipe (8) with a greater diameter to a pipe (9) with a smaller diameter as seen in the flow direction of the ... | 04/16/2002 |
| 6283157 | Sweat flange, piping system and method of use A sweat flange, piping system utilizing the same, and method of installing a circulator to a copper pipe. The sweat flange includes a base portion having a predetermined shape and at least two bolt openings dimensioned to accept at least two mounting bolt... | 09/04/2001 |
| 5988698 | Flexible penetration fitting A flexible penetration fitting is provided for sealing the hole through which a pipeline penetrates a wall of an underground containment box. The penetration fitting includes a flexible boot with a sealing flange for providing a first seal against the ins... | 11/23/1999 |
| 5961153 | Exhaust repair kit for exhaust system and methods therefor An exhaust repair kit, including methods of manufacture and use thereof, in mounting a damaged pipe end to a flanged pipe end in a vehicle exhaust system comprising a length of tubing having a first portion and a second portion. The first portion being si... | 10/05/1999 |
| 5947528 | Pipe flange assembly An erosion resistant pipe flange assembly and a method for preventing erosion of metal pipe flanges connecting larger diameter pipe to smaller diameter pipe. The erosion resistant pipe flange assembly includes a flange section, a reducer section integrall... | 09/07/1999 |
| 5826919 | Flexible penetration fitting A flexible penetration fitting is provided for sealing the hole through which a pipeline penetrates a wall of an underground containment box. The penetration fitting includes a flexible boot with a sealing flange for providing a first seal against the ins... | 10/27/1998 |
| 5647732 | Universal threaded adapter A universal threaded adapter to mount between a pump and a tank can be of two types. The universal threaded adapter is assembled from an adapter body with a tank to adapter gasket seal mounted therein, and a conversion plate, which may be bolted or otherw... | 07/15/1997 |
| 5236228 | Water meter adaptor An annular disk-shaped pipe adaptor permits a small water meter to be connected to a large diameter water pipe. The adaptor has a first side which is adapted to attach to the large flange of the large diameter pipe. The opposing side of the adaptor includ... | 08/17/1993 |
| 4832375 | Drainage element A drainage element is provided comprising a generally cylindrical body into which a removable gasket is inserted in the lower end thereof. Located above the gasket are pipe stops which project inwardly from the interior wall of the body. The drainage elem... | 05/23/1989 |
| 4648631 | Reducing coupling A coupling for connecting the ends of two pipes of different diameters comprised of a body member having a radially extending wall and sleeve portions which extend in opposite directions from the radial wall. Each sleeve portion has associated with it a s... | 03/10/1987 |
| 4465308 | Connection flange for tubular members A connection flange for tubular members is formed as a separate member having a sealing surface formed on the connection flange for sealingly engaging a complementary mating surface, a formed annulus for receiving an end of a tubular member and a radially... | 08/14/1984 |
| 4063758 | Coupling for pipes Pipe ends are connected by a pipe joint comprising radially extending flanges, a sealing ring and clamping means connected to one of the flanges by holding means extending substantially radially inwardly toward the axes of the pipe joint. This is a contin... | 12/20/1977 |
