2017
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Invention
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Anti-two-block sensing apparatus and method. Various hoisting systems with anti-two-block sensing... |
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Invention
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Anti-two-block sensing systems. Various hoisting systems with anti-two-block sensing devices are ... |
2009
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Invention
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Modular heavy lift system. A single heavy lift system is made of modular units, each of which has... |
2003
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Invention
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Self-elevating offshore structure. A self-elevating offshore structure supports a deck for produc... |
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Invention
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Mat supported offshore structure. A bottom-supported jack-up rig has a hollow ring mat with a cen... |
2001
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Invention
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Self-elevating drilling unit. A self-elevating drilling unit has dual cantilever assemblies that ... |