Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 4411408 | Jack-up platform apparatus A jack-up platform apparatus operable for effecting relative vertical motion between a leg chord of a platform and a deck of the platform. The jack-up apparatus includes at least one generally rectangular reaction member operable to be connected at one end the... | 10/25/1983 |
| 4351258 | Method and apparatus for tension mooring a floating platform The invention relates to a method and apparatus for tension mooring an offshore platform having a deck and a plurality of buoyancy columns. An anchor system is initially installed upon the bed of a body of water. Permanent mooring lines are then connected... | 09/28/1982 |
| 4317174 | Riser angle positioning system and process A riser angle positioning system and process provides information for dynamically positioning a floating vessel having a riser extending to a wellhead on the ocean floor. The system comprises an acoustic system for generating acoustic data signals represe... | 02/23/1982 |
| 4281613 | Method of and apparatus for mooring a floating structure A tension mooring system for a floating structure such as a drilling or production platform having a plurality of permanent mooring lines extending upwardly from a plurality of bottom anchors and terminating below the water level and having buoys connecte... | 08/04/1981 |
| 4265568 | Gravity base, jack-up platform - method and apparatus The invention relates to an offshore, gravity base, jack-up platform comprising a deck, a gravity base and one or more legs interconnecting the deck and base. The gravity base comprises a generally polygonal shaped, monolithic hull structure with reaction... | 05/05/1981 |
| 4260292 | Arctic offshore platform The invention relates to an offshore platform operable for use in Arctic locations where prolonged ice conditions may be encountered. The platform includes a lower barge hull having an exterior configuration in the general shape of a rectangular frustum a... | 04/07/1981 |
| 4255069 | Jack-up platform locking apparatus The invention relates to a jack-up platform locking apparatus. The subject locking apparatus includes a frame operable to be securely connected to a deck of the platform and a lock unit having at least one tooth for engaging a compatibly configured surfac... | 03/10/1981 |
| 4198179 | Production riser A riser for production of oil and gas in a marine location with the riser connected to the casing supported at the mud line of a body of water and extending upward in the water to a tension moored floating structure. The riser includes a flexible joint ne... | 04/15/1980 |
| 4080796 | Bottom-supported vessel for performing subaqueous operations and method of placing a bottom-supported vessel in position for performing subaqueous operations A bottom-supported vessel from which subaqueous operations may be performed. The vessel includes a platform and a mat, both of which are configured to permit the platform to nest within the mat while the vessel is floating. The mat is submersible and is a... | 03/28/1978 |
| 4080798 | Arctic drilling base An arctic drilling barge to perform offshore activities in the shallow water, fast ice regions of the arctic seas. Optimal ice interaction is obtained by shaping the hull of the barge in the form of an upright frustum. Ice which does adhere to the barge i... | 03/28/1978 |
| 4068487 | Method and apparatus for conducting subaqueous operations in ice conditions An improved platform for performing subaqueous operations in ice conditions. A substructure on the platform supports the equipment for performing the subaqueous operation and straddles an aperture through the platform. Means are secured to the underside o... | 01/17/1978 |
| 4024718 | Subsea cable apparatus and method of handling same Subsea cable apparatus adapted to extend from a floating structure to a subsea wellhead apparatus or stack with a marine riser pipe extending from the floating structure to the subsea wellhead, such apparatus including a cable supported on the floating st... | 05/24/1977 |
| 3982492 | Floating structure An improved floating structure suitable for use as a floating drilling platform, production platform or other moored floating structure having a vertical tension mooring system with a plurality of anchors, ballasting and deballasting means, and a pluralit... | 09/28/1976 |
| 3976148 | Method and apparatus for determining onboard a heaving vessel the flow rate of drilling fluid flowing out of a wellhole and into a telescoping marine riser connecting between the wellhouse and the vessel Method and apparatus for determining on board a heaving drilling vessel, the flow rate of drilling fluid flowing from a well hole and into a telescoping marine riser connecting the well hole with the vessel. A measuring apparatus is associated with a dril... | 08/24/1976 |
| 3971328 | Emergency mooring release A system for emergency release of a ship from its mooring cables is disclosed wherein pressurized actuating fluid stored in accumulators may be selectively released to actuate fluid powered cutters to sever the mooring cables. In its preferred form the sy... | 07/27/1976 |
| 3957291 | Ball joint assembly with internal passages A multi-passage ball joint assembly for connecting a riser or similar pipe to a well pipe therebelow and adapted primarily for use in underwater installations. The ball member of the joint assembly has a main longitudinal bore or passage through which wel... | 05/18/1976 |
