Assignee
DONG ZHIFENG
US·2 granted patents·3 citations·filing 2007–2007
Top patents by PatentIndex Score
2 records- 0142US8197186B2Flange with axially extending holes for gas turbine engine clearance controlDONG ZHIFENG·Filed 2007·Granted Jun 12, 2012·2 cites·7 claims
- 0240US8393855B2Flange with axially curved impingement surface for gas turbine engine clearance controlDONG ZHIFENG·Filed 2007·Granted Mar 12, 2013·1 cites·12 claims
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