Assignee
AIRFLOW RES & MFG
US·15 granted patents·1,483 citations·filing 1983–1995
Top patents by PatentIndex Score
15 records- 0196US4946348ACentrifugal fan with airfoil vanes in annular volute envelopeAIRFLOW RES & MFG·Filed 1989·Granted Aug 7, 1990·140 cites·8 claims
- 0296US4548548AFan and housingAIRFLOW RES & MFG·Filed 1984·Granted Oct 22, 1985·242 cites·13 claims
- 0394US4569631AHigh strength fanAIRFLOW RES & MFG·Filed 1984·Granted Feb 11, 1986·106 cites·5 claims
- 0493US5489186AHousing with recirculation control for use with banded axial-flow fansAIRFLOW RES & MFG·Filed 1995·Granted Feb 6, 1996·202 cites·42 claims
- 0592US4971520AHigh efficiency fanAIRFLOW RES & MFG·Filed 1989·Granted Nov 20, 1990·68 cites·9 claims
- 0692US4569632ABack-skewed fanAIRFLOW RES & MFG·Filed 1983·Granted Feb 11, 1986·93 cites·8 claims
- 0791US5342167ALow noise fanAIRFLOW RES & MFG·Filed 1992·Granted Aug 30, 1994·97 cites·4 claims
- 0890US4917572ACentrifugal blower with axial clearanceAIRFLOW RES & MFG·Filed 1988·Granted Apr 17, 1990·91 cites·12 claims
- 0987US5000660AVariable skew fanAIRFLOW RES & MFG·Filed 1989·Granted Mar 19, 1991·68 cites·8 claims
- 1086US4900228ACentrifugal fan with variably cambered bladesAIRFLOW RES & MFG·Filed 1989·Granted Feb 13, 1990·53 cites·8 claims
- 1185US5156524ACentrifugal fan with accumulating voluteAIRFLOW RES & MFG·Filed 1990·Granted Oct 20, 1992·56 cites·13 claims
- 1284US5423660AFan inlet with curved lip and cylindrical member forming labyrinth sealAIRFLOW RES & MFG·Filed 1993·Granted Jun 13, 1995·89 cites·18 claims
- 1382US5151014ALightweight airfoilAIRFLOW RES & MFG·Filed 1991·Granted Sep 29, 1992·65 cites·9 claims
- 1480US5297931AForward skew fan with rake and chordwise camber correctionsAIRFLOW RES & MFG·Filed 1993·Granted Mar 29, 1994·68 cites·12 claims
- 1576US5064345AMulti-sweep blade with abrupt sweep transitionAIRFLOW RES & MFG·Filed 1989·Granted Nov 12, 1991·45 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →