Inventor · disambiguated record
Qinghai Xu
Also filed as: XU QINGHAI
5 granted patents·9 citations·filing 2009–2022
68Inventor score
Files withHARVEY IND CO LTD1HARVEY WOODWORKING TECH NANJING CO LTD1NANJING HARVEY IND CO LTD1QIN XIAOGANG1XU QINGHAI1
Top patents by PatentIndex Score
5 records- 0172US10159990B2Dust separation apparatus and intelligent control system including the apparatusHARVEY IND CO LTD·Filed 2016·Granted Dec 25, 2018·4 cites·4 claims
- 0246US11865660B2Woodwork milling fence device with a precision fine-tuning functionQIN XIAOGANG·Filed 2021·Granted Jan 9, 2024·0 cites·10 claims
- 0345US12251782B2Device for pressing materials guided by rollers for carpentry cuttingHARVEY WOODWORKING TECH NANJING CO LTD·Filed 2022·Granted Mar 18, 2025·0 cites·8 claims
- 0440US8451747B2Method and device for transmitting data based on time division duplexing (TDD) standardXU QINGHAI·Filed 2009·Granted May 28, 2013·0 cites·20 claims
- 0538USD792568SDust separatorNANJING HARVEY IND CO LTD·Filed 2015·Granted Jul 18, 2017·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →