Assignee
LEE CHANG CHUAN
TW·12 granted patents·3 pending applications·181 citations·filing 1992–2013
Top patents by PatentIndex Score
15 records- 0190US7124664B1Ratchet wrenchLEE CHANG CHUAN·Filed 2006·Granted Oct 24, 2006·26 cites·10 claims
- 0289US7246544B1Rotary wrenchLEE CHANG CHUAN·Filed 2006·Granted Jul 24, 2007·25 cites·6 claims
- 0389US7051625B1Detent structure of a torque wrench for adjusting operation angle thereofLEE CHANG CHUAN·Filed 2005·Granted May 30, 2006·22 cites·5 claims
- 0486US7150212B2Torque screwdriverLEE CHANG CHUAN·Filed 2006·Granted Dec 19, 2006·19 cites·5 claims
- 0582US7275467B1Tracing mechanism of torque adjustable wrenchesLEE CHANG CHUAN·Filed 2006·Granted Oct 2, 2007·15 cites·8 claims
- 0673US5193419AWrench with telescopic handleLEE CHANG CHUAN·Filed 1992·Granted Mar 16, 1993·32 cites·3 claims
- 0771US9149918B2L-shaped torsional wrenchLEE CHANG-CHUAN·Filed 2013·Granted Oct 6, 2015·4 cites·8 claims
- 0868US6978705B1Torque wrenchLEE CHANG CHUAN·Filed 2004·Granted Dec 27, 2005·14 cites·3 claims
- 0965US7047842B1Pawl mechanism of a ratchet wrenchLEE CHANG CHUAN·Filed 2004·Granted May 23, 2006·12 cites·5 claims
- 1056US2007256525A1Rotary wrench structureLEE CHANG CHUAN·Filed 2007·Application pending·0 cites
- 1155USD347983SSocket for a socket wrenchLEE CHANG-CHUAN·Filed 1992·Granted Jun 21, 1994·8 cites·1 claims
- 1249US2007289414A1Ratchet mechanism for hand toolsLEE CHANG CHUAN·Filed 2007·Application pending·0 cites
- 1349US2007245865A1Tracing mechanism of torque adjustable wrenchesLEE CHANG CHUAN·Filed 2007·Application pending·0 cites
- 1441US7318574B2Tool kitLEE CHANG CHUAN·Filed 2004·Granted Jan 15, 2008·4 cites·2 claims
- 1529USD345493SRatchet wrench handleLEE CHANG-CHUAN·Filed 1992·Granted Mar 29, 1994·0 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →