Keystoker Inc.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F23B METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL 110
 
 
 
F23H GRATES 14

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6647901 Automatic coal stokerJan 07, 02Nov 18, 03[F23H]
6588350 Automatic coal stoker with increased sensible heat outflowFeb 05, 02Jul 08, 03[F23B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4662290 Automatic coal stokerExpiredSep 04, 86May 05, 87[F23K]

Top Inventors for This Owner

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