Assignee
TSAI CHENG-CHANG
4 granted patents·2 pending applications·58 citations·filing 2000–2014
Top patents by PatentIndex Score
6 records- 0184US7255027B1Self-adjusting plier deviceTSAI CHENG CHANG·Filed 2006·Granted Aug 14, 2007·21 cites·7 claims
- 0279USD435049SPortable pumpTSAI CHENG-CHANG·Filed 2000·Granted Dec 12, 2000·27 cites·1 claims
- 0368US8347759B2Well coated wrenchTSAI CHENG-CHANG·Filed 2010·Granted Jan 8, 2013·4 cites·1 claims
- 0465US7584686B2Quick release mechanism for socket wrenchTSAI CHENG CHANG·Filed 2007·Granted Sep 8, 2009·6 cites·12 claims
- 0551US2016023361A1CutterTSAI CHENG-CHANG·Filed 2014·Application pending·0 cites
- 0642US2012174716A1Insulated ratchet wrenchTSAI CHENG-CHANG·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →