Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Liu — 24 Patents

SDSiemens Healthcare Diagnostics: 1 patents #328 of 659Top 50%
UMUtility Trailer Manufacturing: 1 patents #9 of 16Top 60%
Amazon: 1 patents #10,717 of 19,158Top 60%
Willingboro, NJ: #7 of 226 inventorsTop 4%
New Jersey: #3,150 of 69,400 inventorsTop 5%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
David Liu has been granted 24 US patents while listed as an inventor at Amazon. The first was granted in 1981 and the most recent in November 2018. David Liu ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list David Liu in Willingboro, NJ, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10140705 Drawer vision system Wen Wu, Yao-Jen Chang, Benjamin S. Pollack, Terrence Chen 2018-11-27
8191328 Hardwood flooring with sliding locking mechanism 2012-06-05
8166718 Horizontally engineered hardwood floor and method of installation 2012-05-01
8037656 Flooring boards with press down locking mechanism Jun Liu 2011-10-18
8029880 Water resistant wide flooring boards 2011-10-04
7805903 Locking mechanism for flooring boards 2010-10-05
7536322 Identifying early adopters and items adopted by them David Lee Selinger, Bhavnish H. Lathia, Hoi Cheung Pang, Shenghuo Zhu, Paat Rusmevichientong 2009-05-19 $129,857,000
D562565 Snow brush 2008-02-26
D562006 Snow brush 2008-02-19
D561998 Snow brush 2008-02-19
D561999 Snow brush 2008-02-19
D562000 Snow brush 2008-02-19
D562001 Snow brush 2008-02-19
D562002 Snow brush 2008-02-19
D562007 Snow brush 2008-02-19
D562008 Brush grip 2008-02-19
D475796 Industrial dust control door 2003-06-10
6360457 Health care shoe Yi-Ming Qui, Joanne Yang 2002-03-26
6151807 Health care shoe Yi-Ming Qui, Joanne Yang 2000-11-28
D421539 Seat back with armrest 2000-03-14
5058242 Pen holder for a clip-board Jane Keo 1991-10-22
4961249 Clipboard structure Jane Keo 1990-10-09
4896927 Combination clip-board and case Jane Keo 1990-01-30
4269439 Door holdback device James M. Warwick 1981-05-26