Inventor · disambiguated record
John C. K. Sham
Also filed as: SHAM JOHN C · SHAM JOHN C K
24 granted patents·6 pending applications·902 citations·filing 1991–2006
97Inventor score
Files withPENTALPHA ENTERPRISES LTD7SHAM JOHN C K6SHAM JOHN C4GT INVEST BVI LTD1PENTALPHA MACAU COMMERICAL OFF1
Top patents by PatentIndex Score
30 records- 0194US5680810ASteam toaster ovenFiled 1996·Granted Oct 28, 1997·105 cites·20 claims
- 0292US5822821AElectric toothbrushPENTALPHA ENTERPRISES LTD·Filed 1996·Granted Oct 20, 1998·121 cites·1 claims
- 0389US6212332B1Steam iron stationFiled 1998·Granted Apr 3, 2001·68 cites·47 claims
- 0489US5819364ADetachable handle accessory for a portable steam vacuum cleanerPENTALPHA ENTERPRISES LTD·Filed 1995·Granted Oct 13, 1998·90 cites·16 claims
- 0589US5341541APortable steam vacuum cleanerSHAM JOHN C K·Filed 1992·Granted Aug 30, 1994·76 cites·31 claims
- 0687US5386612APortable steam vacuum cleanerFiled 1993·Granted Feb 7, 1995·63 cites·24 claims
- 0780US6070519AJuice extractor and beverage mixer apparatusFiled 1998·Granted Jun 6, 2000·63 cites·9 claims
- 0879US5400701ASteam cooking applianceFiled 1994·Granted Mar 28, 1995·49 cites·20 claims
- 0972USD373872SSteam ironSHAM JOHN C K·Filed 1995·Granted Sep 17, 1996·17 cites·1 claims
- 1072US5144516ALeakage current circuit interrupter deviceWING SHING PRODUCTS COMPANY LT·Filed 1991·Granted Sep 1, 1992·38 cites·25 claims
- 1169US5771781AElectrical deep-fryerPENTALPHA ENTERPRISES LTD·Filed 1997·Granted Jun 30, 1998·36 cites·24 claims
- 1268US5692315AHair steaming apparatusFiled 1995·Granted Dec 2, 1997·29 cites·14 claims
- 1367US5735190ACombination bread-baking machine and convection ovenFiled 1996·Granted Apr 7, 1998·41 cites·17 claims
- 1463US5771784APaddle for bread-making machinePENTALPHA ENTERPRISES LTD·Filed 1997·Granted Jun 30, 1998·33 cites·3 claims
- 1557USD362944SSteam and dry ironWING SHING PRODUCTS CO LTD·Filed 1991·Granted Oct 3, 1995·11 cites·1 claims
- 1656US5595672AAutomatic power interrupting apparatus for an electric appliancePENTALPHA ENTERPRISES LTD·Filed 1994·Granted Jan 21, 1997·13 cites·18 claims
- 1754US2007073436A1Robot with audio and video capabilities for displaying advertisementsSHAM JOHN C·Filed 2006·Application pending·0 cites
- 1853USD346090SFood chopperSHAM JOHN C K·Filed 1991·Granted Apr 19, 1994·8 cites·1 claims
- 1951US2006221183A1Security surveillance viewing and recording assembly with wireless transmissionSHAM JOHN C·Filed 2005·Application pending·0 cites
- 2050US2006221182A1Security surveillance viewing and recording assemblySHAM JOHN C·Filed 2005·Application pending·0 cites
- 2148USD389968STravel steam ironSHAM JOHN C K·Filed 1995·Granted Jan 27, 1998·6 cites·1 claims
- 2247US7310852B2Valve assemblyGT INVEST BVI LTD·Filed 2004·Granted Dec 25, 2007·5 cites·37 claims
- 2347USD505406SRear projection television displayFiled 2004·Granted May 24, 2005·6 cites·1 claims
- 2445US2007004449A1Mobile communication device with environmental sensorsSHAM JOHN C·Filed 2005·Application pending·0 cites
- 2545US2003152480A1Sanitizing mailbox apparatus and methodFiled 2002·Application pending·0 cites
- 2644US5810026AElectric hair-curling apparatusPENTALPHA ENTERPRISES LTD·Filed 1996·Granted Sep 22, 1998·13 cites·17 claims
- 2740US2008018480A1Remote body temperature monitoring deviceSHAM JOHN C K·Filed 2006·Application pending·0 cites
- 2839US5463205APhotosensitive switching apparatus for an electric appliancePENTALPHA ENTERPRISES LTD·Filed 1994·Granted Oct 31, 1995·9 cites·20 claims
- 2930USD345671SFood slicerSHAM JOHN C K·Filed 1991·Granted Apr 5, 1994·1 cites·1 claims
- 3027USD502155STelevision displayPENTALPHA MACAU COMMERICAL OFF·Filed 2004·Granted Feb 22, 2005·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →