Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YW

Yiu Chung Wan

UNUnknown: 13 patents #477 of 83,584Top 1%
DCDoskocil Manufacturing Company: 4 patents #39 of 131Top 30%
FLFee Tat Plastic Factory Limited: 2 patents #2 of 4Top 50%
CCConcord Camera: 1 patents #16 of 31Top 55%
Sha Tin, CN: #39 of 2,424 inventorsTop 2%
Overall (All Time): #175,218 of 4,157,543Top 5%
24 Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
7975605 Food processing device Lance L. Hood 2011-07-12
7921769 Bowl and basket and salad spinner incorporating such an assembly Kwok Kuen So 2011-04-12
7850045 Dispenser for flowable material Kwok Kuen So 2010-12-14
7681495 Food processing device Lance L. Hood 2010-03-23
7669793 Food cutting device Kwok Kuen So, Clive Koon Yin Wong 2010-03-02
7658010 Collapsible cutter for baked goods Kwok Kuen So 2010-02-09
7648092 Food grater Clive Koon Yin Wong, Williard Wing Yin Wong 2010-01-19
7637445 Food cutting device Kwok Kuen So, Clive Koon Yin Wong, Willard Wing Yin Wong 2009-12-29
7578218 Jar opener Lance L. Hood 2009-08-25
D563743 Jar opener Lance L. Hood 2008-03-11
D541995 Litter box 2007-05-01
D538605 Salad spinner 2007-03-20
D537305 Food grater 2007-02-27
D537304 Food grater Clive Koon Yin Wong, Willard Wing Yin Wong 2007-02-27
7168170 Can opener Kwok Kuen So 2007-01-30
7137355 Self-cleaning pet litter apparatus with rotating rake and pan 2006-11-21
D524492 Litter box Allan G. Ross 2006-07-04
7017519 Self-cleaning pet litter apparatus and related method Richard Deasy 2006-03-28
7007388 Hair trimming device 2006-03-07
D508636 Food preparation tool Kwok Kuen So 2005-08-23
D503419 Camera 2005-03-29
D495447 Hair trimming device 2004-08-31
D304089 Multi-function lantern 1989-10-17
D304090 Multi-function lantern 1989-10-17