...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7967541 | Apparatus for handling and racking pipes An apparatus for handling pipes in a derrick and racking the pipes on a pipe racking assembly mounted on the derrick is provided to improve the stability of transferring pipes during a round trip operation. ... | 06/28/2011 |
| 7794192 | Apparatus for handling and racking pipes An apparatus and method for handling pipes in a derrick and racking the pipes on a pipe racking assembly mounted on the derrick. The apparatus includes a rotatable gate assembly rotatably mounted on the pipe racking assembly. The rotatable gate assembly includes a c... | 09/14/2010 |
| 7331746 | Apparatus for handling and racking pipes An apparatus for handling pipes in a derrick and racking the pipes on a pipe racking assembly mounted on the derrick is provided to improve the stability of transferring pipes during a round trip operation. The apparatus includes a rotatable gate assembly mounted on... | 02/19/2008 |
| 7322406 | Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars An operational system and method and improved apparatus for positioning and stabbing well tubulars wherein: the grasping members of the apparatus can be folded and unfolded; the boom assembly can be pivoted to a downward clearance position; a plurality of stabbing a... | 01/29/2008 |
| 7249639 | Automated arm for positioning of drilling tools such as an iron roughneck The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or a... | 07/31/2007 |
| 7246983 | Pipe racking system The pipe racking system is designed to handle drilling tubulars (primarily drill pipe and drill collars) between the racked or setback position and the well center. The racking system can mechanically grasp a stand of pipe, lift the pipe sufficient for free movement... | 07/24/2007 |
| 7188547 | Tubular connect/disconnect apparatus An apparatus for rotating a tubular, the apparatus, in at least certain aspects including a frame, a rocker assembly connected to the frame, the rocker assembly including a top rocker arm pivotably mounted to the frame, and a bottom rocker arm pivotably mounted to t... | 03/13/2007 |
| 7178612 | Automated arm for positioning of drilling tools such as an iron roughneck The invention relates to an apparatus for moving an Iron Roughneck into position to allow making-up or breaking-out of threaded joints in a drill string. The apparatus may also be used to move other drilling equipment into position on the centerline of the well or a... | 02/20/2007 |
| 7011166 | System and method for assisting with automatically connecting pipe joints with a horizontal boring machine An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system. The pipe ... | 03/14/2006 |
| 6899510 | Pipe handling system for presenting sections of pipe to a derrick work floor having a pipe ejection assembly A pipe handling apparatus for raising and lowering pipe to and from a raised derrick work floor. The apparatus comprises a longitudinally-extending base, with a longitudinally-extending cavity therein. An elongate, longitudinally-extending boom member is provided, w... | 05/31/2005 |
| 6550547 | System and method for automatically controlling a pipe handling system for a horizontal boring machine An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system... | 04/22/2003 |
| 6179065 | System and method for automatically controlling a pipe handling system for a horizontal boring machine An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system... | 01/30/2001 |
| 6149376 | Pipe moving method, apparatus and system A system, apparatus and method are disclosed for moving an elongate object such as a pipe between lowered and raised positions, preferably while rotating the object to maintain its shape. The system and method use two apparatuses, an upender and a downend... | 11/21/2000 |
| 5375667 | Stowing and handling system for rods used in drilling rigs A system for stowing and handling rods (50) for use in drilling rigs (110) comprising a drilling tower (122) with a driving head (130) movable between a borehole and a service well (151) for taking up and depositing the drilling rods. The system comprises... | 12/27/1994 |
| 4725179 | Automated pipe racking apparatus Apparatus for use to facilitate threading and unthreading substantially vertical lengths of pipe on a drilling rig by moving the pipe between the well bore center line and a racking assembly. An arm having a gripping head mounted thereon is extendable and... | 02/16/1988 |
| 4715761 | Universal floor mounted pipe handling machine A pipe handling machine having vertical tracks mounted on a rotatable base. A carriage is mounted on the vertical tracks for vertical movement. A multisection telescoping boom is mounted on the carriage, and a pipe-engaging head is mounted on the end of t... | 12/29/1987 |
| 4652195 | Casing stabbing and positioning apparatus A casing stabbing apparatus which includes a derrick bracket subassembly for attachment to a brace of a derrick, and a boom having an end pivotally connected to the bracket assembly for pivotation about a vertical axis and about a horizontal axis. A pair ... | 03/24/1987 |
| 4621974 | Automated pipe equipment system An automated pipe handling system is provided to increase safety and to minimize the number of workmen required in the coupling and uncoupling of pipe stands. The system includes a programmable controller for monitoring and/or controlling devices which re... | 11/11/1986 |
| 4128135 | Drill pipe handling mechanism A drill pipe handling mechanism for a drilling rig includes spaced apart upper and lower arms mounted on a shaft which is mounted for pivotal and limited axial movement with respect to an axis which is spaced from and parallel to the drilling axis. The lo... | 12/05/1978 |
| 3986569 | Drill string element handling apparatus An arrangement for the handling of drill string elements, such as tubes or rods, in drill rigs, comprising means for transferring the drill string elements between a magazine and the drill string axis, a drill string centralizer at the front end of an elo... | 10/19/1976 |