Assignee
YANG FAN DEV CO LTD
US·3 granted patents·138 citations·filing 1997–1999
Top patents by PatentIndex Score
3 records- 0179US6205738B1Frame for forming a housing of a group of air-handling unitsYANG FAN DEV CO LTD·Filed 1999·Granted Mar 27, 2001·66 cites·4 claims
- 0268US5937663AMultipurpose heat pump systemYANG FAN DEV CO LTD·Filed 1997·Granted Aug 17, 1999·36 cites·11 claims
- 0366US6065299AMechanism freeing an air conditioner from drippingYANG FAN DEV CO LTD·Filed 1999·Granted May 23, 2000·36 cites·8 claims
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