Assignee
CHENG CHIN-SHUN
TW·22 granted patents·3 pending applications·264 citations·filing 2000–2019
Top patents by PatentIndex Score
25 records- 0196US7331260B2Rotary wrenching tool with a driving headCHENG CHIN-SHUN·Filed 2006·Granted Feb 19, 2008·46 cites·24 claims
- 0293US7815058B2Portable tool rackCHENG CHIN-SHUN·Filed 2008·Granted Oct 19, 2010·37 cites·10 claims
- 0391US9089965B1Tool box with multiple boxesCHENG CHIN-SHUN·Filed 2014·Granted Jul 28, 2015·15 cites·18 claims
- 0491US7107879B1Box wrench assemblyCHENG CHIN SHUN·Filed 2005·Granted Sep 19, 2006·27 cites·4 claims
- 0589US7584845B2Wrench rackCHENG CHIN-SHUN·Filed 2006·Granted Sep 8, 2009·32 cites·16 claims
- 0688US8808095B2Torque connector assemblyCHENG CHIN-SHUN·Filed 2012·Granted Aug 19, 2014·7 cites·6 claims
- 0787US9089964B2Tool boxCHENG CHIN-SHUN·Filed 2013·Granted Jul 28, 2015·15 cites·4 claims
- 0880US7401538B2F figure wrenchCHENG CHIN-SHUN·Filed 2006·Granted Jul 22, 2008·12 cites·12 claims
- 0977US7024967B1Ratchet wheel structureCHENG CHIN SHUN·Filed 2005·Granted Apr 11, 2006·11 cites·3 claims
- 1075US8069997B2Portable tool rackCHENG CHIN-SHUN·Filed 2010·Granted Dec 6, 2011·8 cites·10 claims
- 1173US8528449B2T-shaped driving toolCHENG CHIN-SHUN·Filed 2010·Granted Sep 10, 2013·6 cites·15 claims
- 1273US8381620B1Open wrenchCHENG CHIN-SHUN·Filed 2011·Granted Feb 26, 2013·5 cites·6 claims
- 1372US8505419B2Wrench with rotatable driving headCHENG CHIN-SHUN·Filed 2011·Granted Aug 13, 2013·6 cites·9 claims
- 1468US9415490B2Mounting structure for a hand toolCHENG CHIN-SHUN·Filed 2014·Granted Aug 16, 2016·3 cites·13 claims
- 1567US6327941B1Socket wrench extension structureCHENG CHIN SHUN·Filed 2000·Granted Dec 11, 2001·14 cites·1 claims
- 1665US8016130B2Tool rackCHENG CHIN-SHUN·Filed 2009·Granted Sep 13, 2011·3 cites·10 claims
- 1764US7861621B2Box end/open end wrenchCHENG CHIN-SHUN·Filed 2008·Granted Jan 4, 2011·4 cites·10 claims
- 1864US7401938B1Extension bar with built-in lightCHENG CHIN-SHUN·Filed 2007·Granted Jul 22, 2008·4 cites·15 claims
- 1964US7290468B1Socket adapter having positioning effectCHENG CHIN SHUN·Filed 2005·Granted Nov 6, 2007·4 cites·1 claims
- 2062US7604368B2Extension bar with built-in lightCHENG CHIN-SHUN·Filed 2007·Granted Oct 20, 2009·3 cites·10 claims
- 2160US7832311B2Extension bar with illumination deviceCHENG CHIN-SHUN·Filed 2008·Granted Nov 16, 2010·2 cites·19 claims
- 2253US2009133539A1Ratchet wheel of wrenchesCHENG CHIN-SHUN·Filed 2009·Application pending·0 cites
- 2351US11219988B2Tubular toolCHENG CHIN SHUN·Filed 2019·Granted Jan 11, 2022·0 cites·12 claims
- 2450US2008302219A1Structure of a wrenchCHENG CHIN-SHUN·Filed 2007·Application pending·0 cites
- 2550US2008307931A1Ratchet wheel of a wrenchCHENG CHIN-SHUN·Filed 2007·Application pending·0 cites
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