Featured patents

Thermally Conductive Sand Mould Shell for Manufacturing a Matrix Bit
US 08814968 B2, Aug. 26, 2014, Metal or metal oxide, Harold Sreshta et al. / National Oilwell Varco, L.P. (Houston, US)
A hollow, heated mould assembly for forming a body of an earth boring drill…

Method of Making Polyurethane Foam
US 08784518 B2, July 22, 2014, Pore Forming, Grady A. Dunham et al. / 3M Innovative Properties Company (St. Paul, US)
A method of reaction injection molding a polyurethane foam, comprising:…

PDC Cutter With Stress Diffusing Structures
US 08721752 B2, May 13, 2014, With Inorganic Material, Graham Richard Watson et al. / Reedhycalog UK Limited GB
A polycrystalline diamond cutting element comprising a plurality of partially…

Bonded Abrasive Article and Method of Forming
US 08721751 B2, May 13, 2014, Miscellaneous, Sandhya Jayaraman Rukmani et al. / Saint-Gobain Abrasives, Inc. (Worcester, US)
An abrasive article comprising:…

Graded Drilling Cutters
US 08679206 B2, March 25, 2014, Laminating, Shan Wan / Diamond Innovations, Inc. (Worthington, US)
A method of creating an abrasive compact, comprising:…

Vitrified Grinding Stone
US 08568499 B2, Oct. 29, 2013, With Inorganic Material, Akira Nagata / Noritake Co., Limited (Nagoya, JP)
A vitrified grinding stone comprising:…

Chemical Mechanical Polishing Slurry, Its Preparation Method and Use for the Same
US 08557006 B2, Oct. 15, 2013, Clay, silica, or silicate, Jui-Ching Chen et al. / Epoch Material Co., Ltd. (Aurora, US)
A method for preparing a chemical mechanical polishing slurry for polishing…

Silicon Nitride Cutting Tool
US 08496718 B2, July 30, 2013, Metal or metal oxide, Takero Fukudome et al. / Kyocera Corporation (Kyoto, JP)
A silicon nitride cutting tool comprising:…

Manufacture of Thermally Stable Cutting Elements
US 08470060 B2, June 25, 2013, Miscellaneous, Madapusi K. Keshavan et al. / Smith International, Inc. (Houston, US)
A method of forming a thermally stable cutting element, comprising:…

Abrasive Tools Having a Permeable Structure
US 08475553 B2, July 2, 2013, With Inorganic Material, Russell Krause et al. / Saint-Gobain Abrasives, Inc. (Worcester, US)
A bonded abrasive tool comprising:…

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