Assignee
TWENTY FIRST CENTURY INTERNATI
US·5 granted patents·221 citations·filing 1987–1999
Top patents by PatentIndex Score
5 records- 0184US5697450AFire extinguishing systems and methodsTWENTY FIRST CENTURY INTERNATI·Filed 1995·Granted Dec 16, 1997·69 cites·10 claims
- 0272US5871057AFire extinguishing systems and methodsTWENTY FIRST CENTURY INTERNATI·Filed 1997·Granted Feb 16, 1999·37 cites·19 claims
- 0368US4834188AFire extinguishing system for cookstoves and rangesTWENTY FIRST CENTURY INTERNATI·Filed 1988·Granted May 30, 1989·50 cites·19 claims
- 0466US6044913AFire extinguishing systems and methodsTWENTY FIRST CENTURY INTERNATI·Filed 1999·Granted Apr 4, 2000·29 cites·8 claims
- 0561US4773485AFire extinguishing system for cookstove and rangesTWENTY FIRST CENTURY INTERNATI·Filed 1987·Granted Sep 27, 1988·36 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →