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| Application No. | Application Title | Issue Date |
| 20090194182 | DUAL CHAMBER ORIFICE FITTING BODY A dual chamber orifice fitting, including a body with a lower chamber in fluid communication with a pipeline and a top with an upper chamber in fluid communication with the lower chamber. A valve assembly closes to hydraulically isolate the upper chamber from the lower ... | 08/06/2009 |
| 20080072980 | APPARATUS FOR CONTROLLING FLOW THROUGH A CONDUIT A conduit apparatus includes a slide plate between faces of flanges connecting a first and second conduit portions. Upper and lower fasteners extend through bolt holes in the flanges above and below the slide plate. Right aid left fasteners extend through bolt holes in ... | 03/27/2008 |
| 20070186987 | Dual chamber orifice fitting isolation valve Apparatus and methods for operating a dual chamber orifice fitting. The dual chamber orifice fitting comprises a body having a lower chamber and a top having an upper chamber. An aperture connects the upper chamber to the lower chamber. A closure member is pivotally mou... | 08/16/2007 |
