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| Number | Title | Issue Date |
| 7341287 | Deformable mechanical pipe coupling A deformable mechanical pipe coupling is disclosed. The coupling is formed from an arcuate band that surrounds and defines a central space. The band has first and second ends in facing relation. arcuate surfaces that engage outer surfaces of the pipe elements extend... | 03/11/2008 |
| 7225825 | Valve seal and method of installing a valve seal An assembly comprises a valve, a valve seal, and a piece of epoxy. The valve comprises a valve gate, a housing, and a plurality of screws. The housing comprises a fluid passageway and a groove that extends into the housing from the fluid passageway. Each of the scre... | 06/05/2007 |
| 7090259 | Anti-mismatch of near-sized coupling segments A series of successively sized segmented arcuate pipe couplings in which anti-mismatch members are provided to prevent the inadvertent connection of two different, but closely sized coupling segments together. The anti-mismatch features are provided on the ends of t... | 08/15/2006 |
| 7086131 | Deformable mechanical pipe coupling A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe elements. The outer surfaces... | 08/08/2006 |
| 6497245 | Intake air controller for internal combustion engine and manufacturing the same A throttle assembly including a bore wall to which a seal member is previously attached is inserted into a key-like slot of an intake air passage body, and flanges are fixed to each other by screws. A bore inner wall of the bore wall is placed to correspo... | 12/24/2002 |
| 5370148 | Butterfly valve assembly and method of manufacture A butterfly valve assembly of plastic material for use in a plastic piping system. The valve body is made from thermoplastic wherein the valve seat has a hard core of phenolic or another plastic and a resilient cover. The plastic valve body utilizes a ret... | 12/06/1994 |
| 5357997 | Valve with segmented retainer ring A disc valve with a disc that is pivotable between open and closed positions has a metallic seal ring placed against an axially-oriented face formed by the housing and located at the ends of an enlarged conduit portion between the face and one of the ends... | 10/25/1994 |
| 5284178 | Butterfly valve An improved butterfly valve for intercepting a conduit where substances flow, especially suitable for the pharmaceutical, alimentary and chemical fields The valve comprises an annular body (1) integral with the conduit and acting as a support for the rota... | 02/08/1994 |
| 5018548 | Segmented coupling for pipes A segmented pipe coupling provides a housing for a butterfly valve, and preferably is provided with oppositely angled end faces of saw tooth configuration at the respective ends of the coupling segments, thus allowing the inclined end faces to emerge at t... | 05/28/1991 |
| 4967779 | Method of installing a valve seat in a valve body A method of installing a valve seat in a valve body wherein the valve body is provided with an annular, radially inwardly extending rib defining a circular opening through the valve body and the seat member is an annular member having an annular extending... | 11/06/1990 |
| 4899775 | Corrosion-resistant overlay for the edge of butterfly valves An overlay for a valve disk of a butterfly or similar valve is formed from a strip of corrosion-resistant material. The strip is preferably profiled to conform to the edge of the disk and has an overall length less than the circumference of the disk. Both... | 02/13/1990 |
| 4844115 | Butterfly valve A butterfly valve having a two piece body, an annular seat carried in the body and a disk mounted in the body for rotation within the seat. An indicator plate mounted at one end of the body and a valve actuator attached to the disk shaft and overlying the... | 07/04/1989 |
| 4699357 | Reinforced industrial butterfly valve A reinforced industrial butterfly valve incorporating a tubular housing, having a disc valve stem mounted for pivotal movement within the flow passage provided through the housing, a resilient seal provided around the interior periphery of the flow passag... | 10/13/1987 |
| 4645180 | Wire form type insert retainer for a wafer style butterfly valve A wafer style butterfly valve has a valve body including a through opening with a cylindrical wall coaxially surrounding an end portion of the fluid passage. The insert is retained within the valve body by at least one wire form held in an annular channel... | 02/24/1987 |
| 4575048 | Insert retainer for a wafer style butterfly valve A wafer style butterfly valve has a valve body including a through opening with a cylindrical wall coaxially surrounding an end portion of the fluid passage. The insert is retained within the valve body by one or more resilient wire forms held in an annul... | 03/11/1986 |
| 4541612 | Rotatable shaft assembly A rotatable shaft assembly comprising a body with a bore having a first end and a second end and an annular abutment formed intermediate the first and second ends of the bore and extending radially inwardly into the bore, a shaft or stem rotatably receive... | 09/17/1985 |
| 4003394 | Disc valve with improved seal ring A disc valve for placement in a cylindrical housing forming part of a conduit which has a pivotally mounted disc and a valve seat that is angularly inclined relative to a plane perpendicular to an axis through the housing. The disc has a peripheral seal d... | 01/18/1977 |
