Inventor · disambiguated record
Yiu Chung Wan
Also filed as: WAN YIU C · WAN YIU C A · WAN YIU CHUNG · WAN YIU CHUNG ABEL
24 granted patents·2 pending applications·372 citations·filing 1987–2008
96Inventor score
Top patents by PatentIndex Score
26 records- 0196US7137355B1Self-cleaning pet litter apparatus with rotating rake and panDOSKOCIL MFG·Filed 2005·Granted Nov 21, 2006·29 cites·3 claims
- 0296US7017519B1Self-cleaning pet litter apparatus and related methodDOSKOCIL MFG·Filed 2004·Granted Mar 28, 2006·63 cites·29 claims
- 0394US7975605B2Food processing deviceWAN YIU CHUNG·Filed 2008·Granted Jul 12, 2011·25 cites·22 claims
- 0493US7669793B2Food cutting deviceSO KWOK KUEN·Filed 2007·Granted Mar 2, 2010·37 cites·25 claims
- 0592US7681495B2Food processing deviceWAN YIU CHUNG·Filed 2006·Granted Mar 23, 2010·30 cites·46 claims
- 0691US7658010B2Collapsible cutter for baked goodsSO KWOK KUEN·Filed 2007·Granted Feb 9, 2010·15 cites·10 claims
- 0786US7648092B2Food graterWONG CLIVE KOON YIN·Filed 2007·Granted Jan 19, 2010·31 cites·16 claims
- 0883US7168170B1Can openerSO KWOK KUEN·Filed 2005·Granted Jan 30, 2007·11 cites·12 claims
- 0980US7637445B2Food cutting deviceSO KWOK KUEN·Filed 2007·Granted Dec 29, 2009·13 cites·16 claims
- 1079US7921769B2Bowl and basket and salad spinner incorporating such an assemblyKWOK KUEN SO·Filed 2007·Granted Apr 12, 2011·10 cites·39 claims
- 1177US7850045B2Dispenser for flowable materialSO KWOK KUEN·Filed 2007·Granted Dec 14, 2010·6 cites·16 claims
- 1275USD304089SMulti-function lanternFEE TAT PLASTIC FACTORY LTD·Filed 1987·Granted Oct 17, 1989·15 cites·1 claims
- 1371USD304090SMulti-function lanternFEE TAT PLASTIC FACTORY LTD·Filed 1987·Granted Oct 17, 1989·13 cites·1 claims
- 1467USD524492SLitter boxDOSKOCIL MFG·Filed 2005·Granted Jul 4, 2006·16 cites·1 claims
- 1563USD538605SSalad spinnerWAN YIU CHUNG·Filed 2006·Granted Mar 20, 2007·10 cites·1 claims
- 1662US7578218B2Jar openerKWOK KUEN SO·Filed 2007·Granted Aug 25, 2009·2 cites·4 claims
- 1759US7007388B2Hair trimming deviceKING TAI HOLDINGS LTD·Filed 2003·Granted Mar 7, 2006·11 cites·10 claims
- 1857US2008197046A1Bowl and basket assemblySO KWOK KUEN·Filed 2008·Application pending·0 cites
- 1952USD537305SFood graterWAN YIU CHUNG·Filed 2006·Granted Feb 27, 2007·8 cites·1 claims
- 2051US2007137504A1Salad spinnerKWOK KUEN SO·Filed 2005·Application pending·0 cites
- 2149USD495447SHair trimming deviceKING TAI HOLDINGS LTD·Filed 2003·Granted Aug 31, 2004·7 cites·1 claims
- 2248USD541995SLitter boxDOSKOCIL MFG COMAPNY INC·Filed 2005·Granted May 1, 2007·8 cites·1 claims
- 2342USD508636SFood preparation toolFiled 2004·Granted Aug 23, 2005·4 cites·1 claims
- 2438USD563743SJar openerWAN YIU CHUNG·Filed 2006·Granted Mar 11, 2008·3 cites·1 claims
- 2536USD537304SFood graterWONG CLIVE KOON YIN·Filed 2006·Granted Feb 27, 2007·4 cites·1 claims
- 2634USD503419SCameraCONCORD CAMERA CORP·Filed 2003·Granted Mar 29, 2005·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →