Assignee
CHEN CHANG-HUI
4 granted patents·2 pending applications·37 citations·filing 1997–2010
Top patents by PatentIndex Score
6 records- 0187US7960633B1Anti-rotation counterhoop-fixing structure for drumCHEN CHANG-HUI·Filed 2010·Granted Jun 14, 2011·10 cites·2 claims
- 0276US7932452B2Extended low frequency resonant structure for drumheadCHEN CHANG-HUI·Filed 2009·Granted Apr 26, 2011·9 cites·6 claims
- 0355US5763798ABase drum beaterCHEN CHANG HUI·Filed 1997·Granted Jun 9, 1998·15 cites·4 claims
- 0452US2010032541A1Telescopic support device for standsCHEN CHANG-HUI·Filed 2008·Application pending·0 cites
- 0543US2008053290A1Clipping device for a drum counterhoopCHEN CHANG-HUI·Filed 2006·Application pending·0 cites
- 0636USD471078SSlip-proof blockCHEN CHANG-HUI·Filed 2002·Granted Mar 4, 2003·3 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →