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| Number | Title | Issue Date |
| 6712147 | Spool for pressure containment used in rigless well completion, re-completion, servicing or workover An apparatus for rigless subterranean well completion, re-completion, servicing or workover includes at least two substantially vertically oriented double acting prime movers incorporated into a spool for pressure containment, which is mounted to the top of a wellhe... | 03/30/2004 |
| 6557643 | Rod hanger and clamp assembly An apparatus and method is provided which holds a rod or tubular within a well, allowing a well service provider or operator to safely and more cost effectively disassemble, remove, or otherwise work on a drive assembly. In one aspect, the apparatus compr... | 05/06/2003 |
| 6044904 | Wellhead assembly A wellhead assembly provides a connection between a protruding wellhead pipe of a landfill and piping that leads to treatment, disposal, or recovery equipment, or the like. The wellhead assembly includes a first substantially hollow cylindrical member tha... | 04/04/2000 |
| 5685343 | Decorative pipe tubing cover A well pipe end cap attached to the top of a well pipe extending from the ground. The well pipe end cap includes a platform for supporting lawn decorations or accessory items. Items such as birdhouses, flags, or potted plants are supported for decoration,... | 11/11/1997 |
| 4905764 | Protective cover assembly for a well casing and a method of protecting a well casing A protective cover assembly for a water well is provided. The cover assembly includes a cover member which covers and completely encloses the above ground projecting end portions of a well casing and an associated electrical conduit. The cover member has ... | 03/06/1990 |
| 4848458 | Lockable well cap A lockable well cap for capping the upper end of a well casing. A base member, which has an upwardly and inwardly interior surface with tapered upwardly directed serrations formed thereon, frictionally engages a portion of the well casing. The outside sur... | 07/18/1989 |
| 3976132 | Tubing spreader mechanism A tubing spreader mechanism for positioning vertically disposed tubing strings in a multiple completion well to maintain them in a desired center-to-center alignment. The tubing spreader has a support member designed to mount on top of a multi-string spid... | 08/24/1976 |
