KM

Kam Hoi Ma

BI Bissell: 14 patents #21 of 205Top 15%
HL Hoover Limited: 2 patents #117 of 240Top 50%
BH Bissell Homecare: 1 patents #164 of 244Top 70%
TC Techtronic Industries Co.: 1 patents #52 of 98Top 55%
Overall (All Time): #246,757 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12329334 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2025-06-17
12161273 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2024-12-10
11930975 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2024-03-19
11825996 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2023-11-28
11241134 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2022-02-08
11122949 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-09-21
11096541 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-08-24
11096539 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-08-24
11096540 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-08-24
11096542 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-08-24
11096543 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-08-24
11089933 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-08-17
10925455 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2021-02-23
10820769 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2020-11-03
10092155 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang +4 more 2018-10-09
7293324 Vacuum cleaner with level control Kam Lun Chui, Sai Kei Wong, Simon P. Griffiths 2007-11-13
6640386 Floor cleaning unit with a brush assembly Jeffery A. Morgan, Douglas E. Gerber, Robert W. Hecht, Charles A. Lang, Adam C. Sclafani +5 more 2003-11-04
6629332 Floor cleaning device with a recovery tank Jeffery A. Morgan, Charles A. Lang, David G. Mueller, Kenneth H. Cooper, Richard F. Spinelli +1 more 2003-10-07