Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8092120 | Method for assembling a rack portion of a self-raising oil rig Method for assembling a rack portion (1) of a self-raising oil rig, which rack portion (1) is constituted by at least one rectangular plate (3) which comprises teeth (51) at the longitudinal lateral faces (5) thereof, and at least ... | 01/10/2012 |
| 7934887 | Complementary locking system for locking legs to the deck of an offshore drilling platform and methods for installing one such locking system A complementary locking system for locking legs to the deck of a jack-up offshore drilling platform is disabled. The system includes at each leg, at least one assembly comprising plates forming two counter-racks that engage with a leg rack and, on one side of the pl... | 05/03/2011 |
| 7726910 | Interactive leg guide for offshore self-elevating unit A leg guide for use in a leg of a jack up unit adapted to provide sliding guidance of the leg during vertical movement of the leg. The leg guide has a first portion contacting an edge of a leg chord and a second portion contacting a face of the leg chord along a lon... | 06/01/2010 |
| 7594781 | Lift boat leg An improved jack up vessel includes a hull, a plurality of legs, each leg having a pad, and a jacking mechanism for moving the hull upward and downward. Each leg is a generally triangular leg that is a closed wall, buoyant structure. ... | 09/29/2009 |
| 7406767 | Method for making a section of a support strut member of an offshore oil-drilling rig The invention concerns a method for making a section of a support strut member of an offshore oil-drilling rig comprising steps which consist in: a) machining each longitudinal edge of a semi-cylindrical stiffener (13) to provide along the longitudinal edge, ... | 08/05/2008 |
| 7399142 | Interactive leg guide for offshore self-elevating unit A leg guide for use in a leg of a jack up unit adapted to provide sliding guidance of the leg during vertical movement of the leg. The leg guide has a first portion contacting an edge of a leg chord and a second portion contacting a face of the leg chord along a lon... | 07/15/2008 |
| 7258510 | Systems and methods useful in stabilizing platforms and vessels having platforms and legs Disclosed is a system useful in stabilizing a vessel. The vessel includes, but is not limited to, a first leg, a second leg, a third leg, and a platform coupled to the first, second, and third legs. The system can include a first brace coupled to the first leg at a ... | 08/21/2007 |
| 7246972 | Method for use of a maritime unit and maritime unit A maritime unit and a method for operating a maritime unit. The maritime unit includes a frame structure. The maritime unit includes at least three legs moveable between a standby position and an extended position. A jack mechanism moves the legs between the standby... | 07/24/2007 |
| 7234896 | Vertically folding service arm for a movable platform offshore drilling or servicing rig An apparatus and method for maintaining electrical and hydraulic connections between a junction box (or junction boxes) located on or near an offshore platform's floor and a movable drilling rig structure are disclosed. The disclosed invention is a unique vertically... | 06/26/2007 |
| 7191528 | Column placement template A template system and column placement method which facilitates the placement of a column resulting in enhanced placement efficiencies for large scale column construction projects. In a preferred aspect of the present invention, a template for column placement can i... | 03/20/2007 |
| 7186061 | Self-regulating jacking system The invention relates to mobile offshore jack-up structures and provides for a self-regulating jacking system for elevating and lowering of the legs and the hull. A central controller assembly regulates movement of each of the legs, depending on the relative speed o... | 03/06/2007 |
| 7163355 | Mobile wind-driven electric generating systems and methods A wind-driven source of electricity can be located and oriented to take advantage of winds traveling over water. A structure is provided that can be transported over water and carry one or more wind-driven sources of electricity and structure-supporting means for en... | 01/16/2007 |
| 7147403 | Self-elevating offshore structure A self-elevating offshore structure supports a deck for production operations at sea in the absence of an elevating hull. A non-buoyant deck is supported by braces and truss legs above wave action. The legs move in relation to the legs and the braces, elevating the ... | 12/12/2006 |
| 7055251 | Column placement template A template system and column placement method which facilitates the placement of a column resulting in enhanced placement efficiencies for large scale column construction projects. In a preferred aspect of the present invention, a template for column placement can i... | 06/06/2006 |
| 7033115 | Temporary floatation stabilization device and method A temporary stability module and method for marine structures during construction, transportation and installation is taught. The device and method permit the structure, including platforms, deck and equipment to be constructed in an upright position, towed to an oc... | 04/25/2006 |
| 7011471 | Jacking method and apparatus A jacking method and apparatus for a heavily loaded platform includes hydraulic continuous linear motion motors, preferably comprising a plurality of phased hydraulic piston/cylinder units, that are engaged to drive the heavily loaded platform to provide relative mo... | 03/14/2006 |
| 6981822 | Jack-up apparatus for marine-based platforms In a jacking system for a marine platform, a plurality of hydraulic continuous linear motion motors are engageable with a plurality of marine platform supporting logs to provide relative motion between the platform and its supporting legs, and to also maintain the p... | 01/03/2006 |
| 6964165 | System and process for recovering energy from a compressed gas A process for extracting energy from a compressed gas includes of submerging a piston-cylinder assembly to a first, lower position, holding the assembly in the lower position while introducing a predetermined amount of compressed gas into the assembly, and then rele... | 11/15/2005 |
| 6869252 | Taut mooring system for jack-up type mobile offshore platforms A taut mooring system for use on a mobile offshore jack-up platform while it is in an elevated operating condition. The elevated operating condition is with the hull jacked up a safe distance above the highest anticipated wave crests, on vertically movable legs whic... | 03/22/2005 |
| 6705802 | Temporary support for offshore drilling platform A support device is used to facilitate maintenance of a jacking system of a self-elevating drilling or maintenance platform having a plurality of legs supporting the platform in an operating orientation. The platform includes jacking mechanisms associated with the l... | 03/16/2004 |
| 6652194 | Jack-up mobile offshore drilling units (MODUs) and jacking method and apparatus A mobile offshore drilling unit (MODU) jacking system includes a plurality of hydraulic continuous linear motion motors, preferably comprising a plurality of phased hydraulic piston/cylinder units, that are engaged with a plurality of MODU supporting legs... | 11/25/2003 |
| 6231269 | Apparatus for releasing a rack chock of a jack-up rig A "frozen" rack chock of a jack-up rig is released by a moving force imparted on the rack chock by a worm gear assembly. The worm gear assembly has a tooth wheel with a plurality of teeth and a worm gear member provided with a worm thread that engages the... | 05/15/2001 |
| 6076996 | Offshore jackup hull-to-legs load transfer device and elevating and leg guide arrangement An arrangement of a jackup platform's elevating system, leg guides, hull-to-legs load transfer device, and method of operation of the load transfer device for an offshore jackup platform's hull to be supported by legs which have one or more vertical tooth... | 06/20/2000 |
| 6030149 | Self positioning fixation system and method of using the same The present invention has at least one rack chock which is supported pivotally and tiltably at one end by a pin and cross head assembly located at a position between at least one leg rack and the hull of the platform. The other end of the rack chock is co... | 02/29/2000 |
| 5975805 | Oil drilling rig system A method and apparatus of raising or lowering an oil drilling rig mounted on a platform is provided. The rig is mounted on the platform hull, which is supported by a plurality of legs. Each leg has a plurality of jacking chords. The legs are raised or low... | 11/02/1999 |
| 5975806 | Elevating unit for use with jack-up rig An elevating unit for a jack-up rig provides a pinion gear that rotates upon a support frame for engaging a toothed rack of each leg of the jack-up rig. Each pinion gear is mounted on a gear shaft that extends in opposite directions from a plane of rotati... | 11/02/1999 |
| 5954453 | Method of assembling sections of support legs of an oil platform The invention concerns a method of assembling sections (20) of support legs (2) of an oil platform in which an opening (11) is formed in the hull and in the lower part of the drive mechanism support framework (10) for each leg (2) to pass through, the sec... | 09/21/1999 |
| 5921714 | Device for releasing a screw jack mechanism A device for releasing of a frozen screw pressed against a contact surface uses a compression disc pre-loaded to an anticipated amount of deflection prior to mounting between the contact surface and the screw. The disc has an insert formed from a granulat... | 07/13/1999 |
| 5915882 | Jack-up platform locking apparatus and method A locking mechanism is disclosed for use on the legs of a jack-up offshore platform. Each chord of the legs includes a rack for cooperation with pinions used in raising and lowering the legs. The locking mechanism of the invention includes a rigid frame a... | 06/29/1999 |
| 5906457 | Offshore jackup elevating and leg guide arrangement and hull-to-legs load transfer device An arrangement of a jackup platform's elevating system, leg guides, hull-to-legs load transfer device, and method of operation of the load transfer device for an offshore jackup platform's hull to be supported by legs which have one or more vertical tooth... | 05/25/1999 |
| 5833396 | Jack-up offshore drilling or production oil platform A jack-up offshore drilling or production oil platform of the type including a barge (1) mounted so that it can be moved between a position for floating and a position for production out of the water. The barge is moved along bearing legs (2) by means of ... | 11/10/1998 |
| 5797703 | Elevating unit for use with jack-up rig An elevating unit for a jack-up rig provides a pinion gear that rotates upon a support frame for engaging a toothed rack of each leg of the jack-up rig. Each pinion gear is mounted on a gear shaft that extends in opposite directions from a plane of rotati... | 08/25/1998 |
| 5622452 | Jack-up rig with improved rack chock assembly The invention relates to a jack-up rig unit for offshore use which has a floatable hull supportable by one or more legs above a water line, a jack-up unit for elevating the hull and a rack chock assembly for rigidly locking the legs to the hull without in... | 04/22/1997 |
| 5611645 | Offshore jack-up rig locking system A fixation system which can be automatically engaged or disengaged from a remote control room as well as from a local at each fixation unit. The fixation system that uses a toothed chord chock which is vertically movable to match the elevation of the leg ... | 03/18/1997 |
| 5607259 | Process for assembling long sections of booms of support legs of an oil platform The process for assembling long sections (11) of booms of support legs of an oil platform comprises machining an inclined flat surface (15) on the whole of the length of each main face of a rectangular plate (12), machining a groove behind each flat surfa... | 03/04/1997 |
| 5580189 | Jack-up rig crane A boat lifting crane includes an annular ring beam mounted on the barge deck of a jack-up rig about one of the vertical openings of the rig that receives one of the legs and its elevating units. The ring provides spacing away from the leg, its opening and... | 12/03/1996 |
| 5486069 | Offshore jack-up rig locking system A fixation system which can be automatically engaged or disengaged from a remote control room as well as from a local at each fixation unit. The fixation system that uses a toothed chord chock which is vertically movable to match the elevation of the leg ... | 01/23/1996 |
| 5248003 | Apparatus and method for supporting the free end of a cantilever beam of a cantilevered jack-up rig A cantilevered jack-up rig having a support for supporting the free ends of the rig's cantilever beams when said beams are extended over a platform to be serviced by the rig, thereby maximizing the lateral reach of the rig and increasing the load capacity... | 09/28/1993 |
| 5224798 | Overloading device for a jack-up oil platform and platform including the device A platform comprises a hull mounted on legs such that it can be moved relative to the legs be by jack mechanisms disposed in a carrying structure. The jack mechanisms include a plurality of output gear pinions which cooperate with racks mounted along at l... | 07/06/1993 |
| 5188484 | Jack-up type offshore oil and gas production platform and method A mobile, self-elevating, offshore production platform, for exploitation of smaller reservoirs, is provided with a liquid tight hull having a deck; a plurality of support legs, each having a gear rack and bottom footpads, which are slidably extendable thr... | 02/23/1993 |
