Soosan Heavy Industries Co., Ltd.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D457534 Hydraulic breakerNov 30, 00May 21, 02[1503]
5277264 Hydropneumatic hammerDec 14, 92Jan 11, 94[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6679665 Apparatus for holding pin in pin-coupled structureExpiredMar 04, 02Jan 20, 04[F16B]

Top Inventors for This Owner

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