Growing community of inventors

Twinsburg, OH, United States of America

Andrew Q Liu

Average Co-Inventor Count = 2.57

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 35

Andrew Q LiuMark Edward Cipolla (2 patents)Andrew Q LiuSteven R Dings (1 patent)Andrew Q LiuSusan S Roberts (1 patent)Andrew Q LiuSteven W Kostreba (1 patent)Andrew Q LiuAndrew Q Liu (3 patents)Mark Edward CipollaMark Edward Cipolla (68 patents)Steven R DingsSteven R Dings (2 patents)Susan S RobertsSusan S Roberts (1 patent)Steven W KostrebaSteven W Kostreba (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Techtronic Floor Care Technology Limited (3 from 240 patents)


3 patents:

1. 8726457 - Vacuum cleaner with display

2. 8689399 - Bag release handle for a floor cleaner

3. 8661610 - Integrated bag door and carry handle for a floor cleaner

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as of
12/8/2025
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