Inventor · disambiguated record
Kam Hoi Ma
Also filed as: MA KAM HOI
18 granted patents·1 pending application·343 citations·filing 2001–2025
96Inventor score
Technology areasA47L
Top patents by PatentIndex Score
19 records- 0198US11241134B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Feb 8, 2022·15 cites·20 claims
- 0298US11122949B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Sep 21, 2021·12 cites·20 claims
- 0398US11096539B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Aug 24, 2021·9 cites·20 claims
- 0498US11096540B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Aug 24, 2021·12 cites·20 claims
- 0598US11096542B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Aug 24, 2021·11 cites·20 claims
- 0698US11096541B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Aug 24, 2021·10 cites·20 claims
- 0798US11096543B2Surface cleaning apparatusBISSELL INC·Filed 2021·Granted Aug 24, 2021·11 cites·20 claims
- 0898US11089933B2Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Aug 17, 2021·12 cites·20 claims
- 0998US10925455B1Surface cleaning apparatusBISSELL INC·Filed 2020·Granted Feb 23, 2021·12 cites·20 claims
- 1098US10820769B2Surface cleaning apparatusBISSELL HOMECARE INC·Filed 2018·Granted Nov 3, 2020·32 cites·16 claims
- 1198US10092155B2Surface cleaning apparatusBISSELL HOMECARE INC·Filed 2016·Granted Oct 9, 2018·94 cites·20 claims
- 1297US11825996B2Surface cleaning apparatusBISSELL INC·Filed 2023·Granted Nov 28, 2023·2 cites·30 claims
- 1396US12161273B2Surface cleaning apparatusBISSELL INC·Filed 2024·Granted Dec 10, 2024·1 cites·30 claims
- 1491US12329334B2Surface cleaning apparatusBISSELL INC·Filed 2021·Granted Jun 17, 2025·1 cites·20 claims
- 1588US11930975B2Surface cleaning apparatusBISSELL INC·Filed 2023·Granted Mar 19, 2024·0 cites·30 claims
- 1687US2025268441A1Surface cleaning apparatusBISSELL INC·Filed 2025·Application pending·0 cites
- 1786US6629332B2Floor cleaning device with a recovery tankHOOVER CO·Filed 2001·Granted Oct 7, 2003·52 cites·22 claims
- 1885US6640386B2Floor cleaning unit with a brush assemblyHOOVER CO·Filed 2001·Granted Nov 4, 2003·44 cites·27 claims
- 1961US7293324B2Vacuum cleaner with level controlTECHTRONIC IND CO LTD·Filed 2003·Granted Nov 13, 2007·13 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →