Assignee
FU CHANG LOCKS MFG CORP
TW·5 granted patents·89 citations·filing 2002–2019
Top patents by PatentIndex Score
5 records- 0194US8356499B2Electric lockFU CHANG LOCKS MFG CORP·Filed 2010·Granted Jan 22, 2013·35 cites·3 claims
- 0290US9347241B1Pushbutton-type easy-code-change handle lockFU CHANG LOCKS MFG CORP·Filed 2014·Granted May 24, 2016·16 cites·2 claims
- 0387US7712799B2Hidden lock locked to an inner side of a doorplateFU CHANG LOCKS MFG CORP·Filed 2007·Granted May 11, 2010·21 cites·4 claims
- 0464US6623050B1Safety and anti-theft door lock assemblyFU CHANG LOCKS MFG CORP·Filed 2002·Granted Sep 23, 2003·16 cites·18 claims
- 0561US11072944B2Electronic lockFU CHANG LOCKS MFG CORP·Filed 2019·Granted Jul 27, 2021·1 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →