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| Application No. | Application Title | Issue Date |
| 20080169645 | Coupler for joining plastic and concrete pipe A plastic pipe coupler is provided having a plurality of sections connected to one another but with at least one gap between the ends of two sections which are adjacent to one another, at least two brackets, concrete pipe fastening means, and connector elements. Each of... | 07/17/2008 |
| 20080088128 | HYDRO PENETRATION PREVENTION SLEEVE A hydro penetration prevention sleeve is used when building a basement wall wherein said basement wall is subject to leakage from ground water especially pipes that have to be placed through the wall. The pipe, mostly a sewage pipe, has to placed into the wall at a heig... | 04/17/2008 |
| 20080012298 | Beveled insert for facilitating coupling pipes An annular beveled insert for enhancing the insertion of a plain end of a pipe into a mating belled end of a pipe, the insert including an annular main body portion having a substantially flat surface and a beveled opposed surface. The annular main body portion has inne... | 01/17/2008 |
| 20060220377 | 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 coupl... | 10/05/2006 |
| 20060208480 | Gasket and mandrel assembly for pipe joints A gasket and mandrel assembly, including a gasket having an annular main body portion with an anchor flange and a pipe sealing portion. The gasket is foldable between a folded position in which the pipe sealing portion is disposed substantially within the main body port... | 09/21/2006 |
| 20060186662 | Cast-in-place gasket for pipe joints A pipe joint includes a first pipe and a second pipe located adjacent the first pipe. One of the first pipe and the second pipe includes an annular groove, and a gasket is positioned within the annular groove. The gasket is adapted to provide a seal between the first pi... | 08/24/2006 |
| 20060087114 | Non-leak pool fixture and method for implementing An improved sidewall fitting is disclosed with a fitting body and one or more flanges disposed about the fitting body. Plaster catches disposed along a face of one flange and positioned approximately coextensively with the fitting body. The bodies of the plaster catches... | 04/27/2006 |
| 20060082141 | Connector gasket for concrete structures A manhole assembly for a manhole having generally cylindrical sidewalls defined between an outside surface and an inside surface separated by a wall thickness and having a wall opening communicating the outside and inside sidewall surfaces of the manhole for insertion o... | 04/20/2006 |
| 20060066098 | Non-leak pool fixture and method for implementing An improved sidewall fitting is disclosed with a fitting body and a flange disposed about the fitting body. Plaster catches disposed along a face of the flange and positioned approximately coextensively with the fitting body. The bodies of the plaster catches may be cur... | 03/30/2006 |
| 20060049627 | Pipe joint gasket A gasket which may be cast in place within a concrete structure, such as a manhole riser or septic tank, for example, to seal a connection between a pipe and the concrete structure. The gasket includes a main body portion and a sealing portion which are made from differ... | 03/09/2006 |
| 20060033330 | Expansion ring assembly with removable drive mechanism An expansion ring assembly for sealing a gasket within an opening in the wall of a structure, the assembly including a drive mechanism having a pair of block members each having a threaded bore, and a bolt having oppositely threaded ends respectively threaded within the... | 02/16/2006 |
| 20050189763 | Concrete pipe with a corrosion-resistant inner lining The invention relates to a concrete pipe having a corrosion-resistant inner lining consisting of plastic whose one end is made as a pipe spigot end piece and whose other end is made as a pipe socket end piece to receive a pipe spigot end part of the following pipe, with... | 09/01/2005 |
