Assignee
HALLOWELL INTERNATIONAL LLC
US·2 granted patents·1 pending application·28 citations·filing 2003–2007
Top patents by PatentIndex Score
3 records- 0191US7651322B2Oil balance system and method for compressors connected in seriesHALLOWELL INTERNATIONAL LLC·Filed 2007·Granted Jan 26, 2010·16 cites·19 claims
- 0266USRE39625EBoosted air source heat pumpHALLOWELL INTERNATIONAL LLC·Filed 2003·Granted May 15, 2007·12 cites·54 claims
- 0351US2008173034A1Heat pump apparatus and methodHALLOWELL INTERNATIONAL LLC·Filed 2007·Application pending·0 cites
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