F23H 3/04

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2018/0347,811 GRATE BLOCK FOR A COMBUSTION GRATEJun 12, 15Dec 06, 18HITACHI ZOSEN INOVA AG
2014/0102,437 FIRE GRATE FOR ENHANCED COMBUSTIONDec 19, 13Apr 17, 14Earth's Flame, Inc.
2013/0306,050 GRATE BARJan 05, 12Nov 21, 13SEKO-PATENT GMBH