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| Number | Title | Issue Date |
| 7240742 | Pipe handling system with a movable magazine An pipe handling assembly for transporting pipe sections to and from a horizontal boring machine. The system comprises a movable magazine, a support member, a drive system, and a transfer assembly. The drive system may move the magazine laterally on the support memb... | 07/10/2007 |
| 7149600 | Pipe storage and inventory control chest A materials storage chest system stores and selectively dispenses pipe in response to a controller which selectively limits access thereto. A material dispensing opening prevents access to the chest other than through the controller. A communication system provides ... | 12/12/2006 |
| 6910848 | Erector for J-Lay pipe laying system A system for laying a pipeline from a floating vessel onto the ocean floor in relatively deep ocean water which provides an erector for raising new pipe sections to be added to a pipeline which is depending from the system, the pipe sections being raised into accura... | 06/28/2005 |
| 6311788 | Magazine and manipulating apparatus for drilling rod parts The invention relates to a magazine and manipulation apparatus for drilling rod parts for a drill, having a rod magazine in which the drilling rod parts are received in a multi-layered arrangement in a store, and having a removal device for transferring t... | 11/06/2001 |
| 6074153 | Drill rods feeding device A drill rod feeding device which stores drilling rods and sorts them before placing them into hands with a hydraulic lock. These hands, when loaded and locked, pivot and position the rods into the axis of a drilling head, maintaining them in position to s... | 06/13/2000 |
| 5183366 | Rod handler apparatus An extendable boom assembly is mounted on a platform or a base for longitudinally pivotally moving a drill rod between a rod rack and a drill rig in a position in alignment with the drill string axis regardless of whether the drilling direction is vertica... | 02/02/1993 |
| 4951759 | Oil well rig with pipe handling apparatus This invention provides an oil well drilling or service rig having inclined capability with pipe handling means which will automatically retrieve pipe from a horizontal pipe rack, tilt it into a position parallel to the mast, and transpose it into the cen... | 08/28/1990 |
| 4892160 | Drill pipe transfer arm for angle drilling A drill pipe transfer arm supports the bottom portion of a drill pipe and positions it in relationship to the drill string to permit angle drilling with a tilted drill tower. The transfer arm is uniquely suited to circular carousels and features a drill p... | 01/09/1990 |
| 4687401 | Pipe positioner A pipe positioner for holding an end of a drill pipe in an earth drilling machine which is especially suited for use during blast hole drilling. The pipe positioner is connected to the mast of the earth drilling machine in a tubular guide frame arrangemen... | 08/18/1987 |
| 4586572 | Well drilling apparatus There is disclosed well drilling apparatus which includes a mast pivotally mounted on a base so that it may be tilted about a horizontal axis in order to drill a well at a slant with respect to the vertical, a laydown device at the front side of the mast ... | 05/06/1986 |
| 4547109 | Drill pipe handling and placement apparatus A cylindrical goods lifting and placement apparatus comprises a platform, an angularly disposable frame pivotably connected to the platform and having a drill pipe holding system for holding a length of drill pipe. An angularly displaceable member is pivo... | 10/15/1985 |
| 4061233 | Drilling rigs A drilling rig mounted on a bore inclined to the vertical in which transfer of drill strings from a store to the bore is effected on the low side of the rig.... | 12/06/1977 |
| 4050590 | Drilling rigs A drilling rig assembly mounted on a pile, the store for drill strings to be used in drilling being in the form of a carousel mounted concentric with the pile.... | 09/27/1977 |
| 3937334 | Pipe handling device A slant-type drilling rig assembly is disclosed having a pipe handling device which requires one operator during the transfer of conduit sections between an inclined drilling mast and a generally vertical conduit storage structure. The pipe handling devic... | 02/10/1976 |
