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| Number | Title | Issue Date |
| 7934697 | Apparatus and methods for gripping an elongated item In some embodiments, apparatus for releasably gripping at least one elongated item and being used in pulling the elongated item(s) through at least one space includes a body and at least three gripping members associated with the body. The gripping members are movea... | 05/03/2011 |
| 7478794 | Apparatus and methods for gripping an elongated item In some embodiments, apparatus for releasably gripping at least one elongated item and being used in pulling the elongated item(s) through at least one space includes a body and a plurality of gripping members associated with the body. The gripping members are movea... | 01/20/2009 |
| 7410608 | Methods for manufacturing a diaphragm for an air admittance valve In some embodiments, a process for manufacturing a diaphragm for an air admittance valve includes disposing a first center disk into a first cavity of a first mold, the first center disk includes a hollow stem. A material is provided into the first mold, through the... | 08/12/2008 |
| 7395835 | Air admittance valve In some embodiments, an air admittance valve includes a base, a screen plate and a diaphragm engageable with the screen plate. The diaphragm may include a first center disk having a stem and a membrane coupled to the first center disk. The membrane may have a contin... | 07/08/2008 |
| 7246789 | Cable clamping apparatus and method An embodiment of the invention involves a method for engaging an elongated item, such as a wire or cable, to allow it to be pulled through a path, such as in a conduit, and includes gripping the elongated item with multiple teeth. ... | 07/24/2007 |
| 7128306 | Cable clamping apparatus and method An embodiment of the invention involves a device for clamping and pulling an elongated item, such as a wire or cable, through a path, such as in a conduit, and includes a main body having a bore and multiple teeth capable of gripping the elongated item. ... | 10/31/2006 |
| 5329647 | Flush valve for low water volume toilet A flush valve for a conventional toilet which replaces the conventional flapper valve assembly and seat and operates in conjunction with the standard ballcock valve. A hollow annular drain stopper seat is connected to the upper end of a male threaded cyli... | 07/19/1994 |
| 5307841 | Test plug for waste pipe A test plug for sealing a waste pipe includes a generally cylindrical piston having an inwardly tapered lower end with a maximum outer diameter slightly smaller than an inner diameter of a waste pipe. A threaded rod has a segment that extends through the ... | 05/03/1994 |
