Inventor · disambiguated record
Sing Kwok Leung
Also filed as: LEUNG SING K · LEUNG SING KWOK
3 granted patents·1 pending application·137 citations·filing 1994–2004
76Inventor score
Technology areasA47L
Top patents by PatentIndex Score
4 records- 0189USD398099SVacuum cleanerLEUNG SING KWOK·Filed 1997·Granted Sep 8, 1998·76 cites·1 claims
- 0270US5560076ACombined vacuum cleaner and torchHOOVINE IND LIMITED·Filed 1994·Granted Oct 1, 1996·44 cites·15 claims
- 0362US6260235B1Vacuum cleanersHOOVINE PLASTIC & ELECTRONIC F·Filed 2000·Granted Jul 17, 2001·17 cites·4 claims
- 0440US2006137133A1Vacuum cleanerYIK CHI C·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →