Inventor · disambiguated record
David Quan
Also filed as: QUAN DAVID · QUAN DAVID SHAW
20 granted patents·5 pending applications·252 citations·filing 2000–2020
95Inventor score
Top patents by PatentIndex Score
25 records- 0192USD673750SStep trash canUMBRA LLC·Filed 2011·Granted Jan 1, 2013·52 cites·1 claims
- 0291USD470639SPortion of trash canUMBRA INC·Filed 2002·Granted Feb 18, 2003·47 cites·1 claims
- 0386USD610370SJewelry treeUMBRA LLC·Filed 2009·Granted Feb 23, 2010·32 cites·1 claims
- 0482USD931037SCookware pot with lidCANADIAN TIRE CORPORATION LTD·Filed 2020·Granted Sep 21, 2021·7 cites·1 claims
- 0577USD644388STrash canUMBRA LLC·Filed 2010·Granted Aug 30, 2011·22 cites·1 claims
- 0671USD470638SPortion of trash canUMBRA INC·Filed 2002·Granted Feb 18, 2003·17 cites·1 claims
- 0770USD970286SInterface dial for small appliancesCANADIAN TIRE CORPORATION LTD·Filed 2020·Granted Nov 22, 2022·6 cites·1 claims
- 0869USD944588SCookware lidCANADIAN TIRE CORPORATION LTD·Filed 2020·Granted Mar 1, 2022·3 cites·1 claims
- 0969USD888779SBlower nozzleCANADIAN TIRE CORPORATION LTD·Filed 2019·Granted Jun 30, 2020·9 cites·1 claims
- 1069US2010300900A1Jewelry treeUMBRA LLC·Filed 2009·Application pending·0 cites
- 1168USD643173STrash canUMBRA LLC·Filed 2010·Granted Aug 9, 2011·15 cites·1 claims
- 1263US2010219192A1Dividable step garbage canUMBRA LLC·Filed 2009·Application pending·0 cites
- 1361USD931036SCookware pot with lidCANADIAN TIRE CORPORATION LTD·Filed 2019·Granted Sep 21, 2021·6 cites·1 claims
- 1460US11432679B2Cooking pot with lid that facilitates dynamic ventingCANADIAN TIRE CORPORATION LTD·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 1559USD427418SShoehornUMBRA INC·Filed 2000·Granted Jul 4, 2000·11 cites·1 claims
- 1654US2007045208A1Flipper shower caddyUMBRA INC·Filed 2005·Application pending·0 cites
- 1749USD683512STrash can with lidUMBRA LLC·Filed 2012·Granted May 28, 2013·6 cites·1 claims
- 1847USD656698SSwing-top trash canQUAN DAVID·Filed 2011·Granted Mar 27, 2012·7 cites·1 claims
- 1947US2013168396A1Trash can with bag collarQUAN DAVID·Filed 2011·Application pending·0 cites
- 2047US2013105488A1Step garbage can with damperQUAN DAVID·Filed 2012·Application pending·0 cites
- 2146USD644392SStep trash canUMBRA LLC·Filed 2010·Granted Aug 30, 2011·5 cites·1 claims
- 2244USD878427SBlower nozzleCANADIAN TIRE CORPORATION LTD·Filed 2017·Granted Mar 17, 2020·3 cites·1 claims
- 2342USD1047562SButton for small appliancesCANADIAN TIRE CORPORATION LTD·Filed 2020·Granted Oct 22, 2024·1 cites·1 claims
- 2438USD469316SPortion of storage containerUMBRA INC·Filed 2001·Granted Jan 28, 2003·3 cites·1 claims
- 2530USD454485SDoor stopUMBRA INC·Filed 2000·Granted Mar 19, 2002·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →