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2024
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Invention
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Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom.
A polyc... |
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Invention
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Polycrystalline diamond compact with a tripartite raised surface |
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Invention
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Polycrystalline diamond compact with a raised surface and groove therein |
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Invention
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Polycrystalline cubic boron nitride composite sheet having continuous gradient structure and prep... |
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Invention
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Polycrystalline diamond composite sheet having continuous gradient transition layer and preparati... |
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Invention
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Polycrystalline diamond composite sheet having ripple-shaped gradient layer and preparation metho... |
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Invention
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Gradient structure cubic boron nitride composite sheet and preparation method thereof.
The discl... |
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2023
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Invention
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Polycrystalline diamond compact table with polycrystalline diamond extensions therefrom. A polycr... |
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2021
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Invention
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Polycrystalline diamond compact with a raised parallelogram surface and a groove formed therein |
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Invention
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Polycrystalline diamond compact with a raised surface sloping to a peripheral extension |
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Invention
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Polycrystalline diamond compact with a raised triangular structure |
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Invention
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Polycrystalline diamond compact with a double-layer structure |
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Invention
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Drill bit |
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Invention
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Polycrystalline diamond compact. A polycrystalline diamond compact including a polycrystalline di... |
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2019
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Invention
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Method for making polycrystalline diamond compacts having curved surface.
A method for making a ... |
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Invention
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Polycrystalline diamond compact. A polycrystalline diamond compact including a cemented carbide s... |
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Invention
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Polycrystalline diamond compact.
A polycrystalline diamond compact including a cemented carbide ... |
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Invention
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Polycrystalline diamond compact.
A polycrystalline diamond compact including a polycrystalline d... |
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2017
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Invention
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High impact resistant non-planar polycrystalline diamond composite piece for drilling complex har... |
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Invention
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Multi-functional non-planar polycrystalline diamond composite for oil and gas drilling. Disclosed... |
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Invention
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Method for processing polycrystalline diamond compact having curved surface.
A method for making... |
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Invention
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Cobalt-removed polycrystalline diamond compact. A cobalt-removed polycrystalline diamond compact,... |
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Invention
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Laser processing method for curved polycrystalline diamond composite compact for use in oil drill... |
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Invention
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Drilling pre-formed polycrystalline diamond compact with efficient debris removal function. A dri... |
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2011
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G/S
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Alloys of precious metal; boxes of precious metal; clocks;
diamonds; ingots of precious metal; j... |
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G/S
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Precious metals, unwrought or semi-wrought;Boxes of precious metal, namely, jewellery boxe, decor... |
