Inventor · disambiguated record
John C. K. Sham
Also filed as: SHAM JOHN C K · SHAM JOHN CHUN KUEN
20 granted patents·1 pending application·1,053 citations·filing 1992–2003
97Inventor score
Top patents by PatentIndex Score
21 records- 0198US6571421B1Vacuum cleaner and steamer apparatusFiled 2000·Granted Jun 3, 2003·215 cites·32 claims
- 0297US6464760B1Ultraviolet air purifierFiled 2000·Granted Oct 15, 2002·143 cites·6 claims
- 0397US6240833B1Automatic French Press beverage makerFiled 1999·Granted Jun 5, 2001·143 cites·7 claims
- 0493US6227102B1Automatic coffee maker with grinderFiled 1999·Granted May 8, 2001·68 cites·9 claims
- 0592US5865104AFood steamerWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Feb 2, 1999·88 cites·14 claims
- 0688USD348585SCoffee makerSHAM JOHN C K·Filed 1992·Granted Jul 12, 1994·32 cites·1 claims
- 0783US6363837B1Juice extractor and beverage mixer apparatusFiled 2000·Granted Apr 2, 2002·36 cites·33 claims
- 0881US6439106B1Automatic coffee maker with grinderFiled 2000·Granted Aug 27, 2002·22 cites·4 claims
- 0979US6389957B1Automatic coffee maker with grinderFiled 2000·Granted May 21, 2002·21 cites·13 claims
- 1079US6367370B1Automatic coffee maker with grinderFiled 2000·Granted Apr 9, 2002·20 cites·2 claims
- 1179US6006653ACoffee makerWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Dec 28, 1999·48 cites·3 claims
- 1278USD485728SCoffee makerPENTALPHA MACAU COMMERCIAL OFF·Filed 2002·Granted Jan 27, 2004·23 cites·1 claims
- 1377USD419824SDeep fryerWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Feb 1, 2000·20 cites·1 claims
- 1476US6100502AToaster oven with steamWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Aug 8, 2000·43 cites·14 claims
- 1576US5957034ACoffee makerWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Sep 28, 1999·44 cites·19 claims
- 1675US6279458B1Rapid brew automatic coffee makerFiled 1999·Granted Aug 28, 2001·42 cites·9 claims
- 1756USD503390SLiquid crystal display television panelPENTALPHA MACAU COMMERCIAL OFF·Filed 2003·Granted Mar 29, 2005·10 cites·1 claims
- 1850USD449497SElectric knifeFiled 2001·Granted Oct 23, 2001·7 cites·1 claims
- 1946US5943949AIndoor grilleWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Aug 31, 1999·16 cites·15 claims
- 2046US2004028572A1Ozone deodorizer for waste receptaclesFiled 2002·Application pending·0 cites
- 2140US5931081AElectrical deep-fryerWING SHING PRODUCTS BVI CO LTD·Filed 1998·Granted Aug 3, 1999·12 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →