Assignee
DUST FREE INC
US·3 granted patents·1 pending application·179 citations·filing 1992–2005
Top patents by PatentIndex Score
4 records- 0189US5364458AAdjustable air filtering deviceDUST FREE INC·Filed 1993·Granted Nov 15, 1994·77 cites·8 claims
- 0285US5266090AMulti-sided air filter with wraparound filter mediaDUST FREE INC·Filed 1992·Granted Nov 30, 1993·67 cites·13 claims
- 0384US6539727B1Angled UV fixtureDUST FREE INC·Filed 2001·Granted Apr 1, 2003·35 cites·13 claims
- 0450US2005174778A1Germicidal lamp retaining assemblyDUST FREE INC·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →