Assignee
KEYSTOKER INC
US·3 granted patents·23 citations·filing 1986–2002
Top patents by PatentIndex Score
3 records- 0159US6588350B1Automatic coal stoker with increased sensible heat outflowKEYSTOKER INC·Filed 2002·Granted Jul 8, 2003·15 cites·10 claims
- 0235US6647901B2Automatic coal stokerKEYSTOKER INC·Filed 2002·Granted Nov 18, 2003·2 cites·7 claims
- 0321US4662290AAutomatic coal stokerKEYSTOKER INC·Filed 1986·Granted May 5, 1987·6 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →