Dongguan Chengmao Mechanical and Electrical Co., Ltd.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B60C VEHICLE TYRES 149
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
 
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8858193 Sprocket-driven air pumpAug 15, 12Oct 14, 14[F04B, B60C, H01F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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