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| Number | Title | Issue Date |
| 6976710 | Method and device for repair and replacement of pipe broken at a junction A method and device for repair and replacement of pipe broken at a junction. The device includes a coupler having a female end and a male end. The female end of the coupler has an inside diameter that will accept snugly the removed end of the broken pipe. The male e... | 12/20/2005 |
| 4811799 | Banjo box and blooie line spool A fluidtight housing such as a banjo box receives and redirects the debris-laden upward flow of fluids from a reservoir. The housing connecting the wellhead of the reservoir with a flowline positioned at an angle other than the vertical receives fluid and... | 03/14/1989 |
