Assignee
YEH HSING ENTPR CO LTD
TW·5 granted patents·53 citations·filing 2000–2004
Technology mixB25B4
Top patents by PatentIndex Score
5 records- 0168USD468618SHandle of a hand toolYEH HSING ENTPR CO LTD·Filed 2002·Granted Jan 14, 2003·16 cites·1 claims
- 0262US7089828B1Ratchet screwdriver with a quick retractable positioning jointYEH HSING ENTPR CO LTD·Filed 2004·Granted Aug 15, 2006·11 cites·2 claims
- 0361US6240810B1Ratchet screwdriver having a concealable ratchet shifterYEH HSING ENTPR CO LTD·Filed 2000·Granted Jun 5, 2001·11 cites·3 claims
- 0459US6435061B1Ratchet screwdriverYEH HSING ENTPR CO LTD·Filed 2001·Granted Aug 20, 2002·10 cites·1 claims
- 0551US6389932B1Ratchet wrenchYEH HSING ENTPR CO LTD·Filed 2000·Granted May 21, 2002·5 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →