Inventor
Qing Qing Yuan
Inventor
Shanghai, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Cprimary
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials29%
D21HPulp compositions29%
C10GCracking hydrocarbon oils14%
F16HGearing14%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%
PatentTitleYear
10,982,763Hydraulic mechanical transmission with torque boost202110,544,372Distillation tower for improving yield of petroleum hydrocarbon distillate and feeding method thereof202010,538,880Method and composition for detackifying organic contaminants in the process of pulping and papermaking20208,709,209'Anionic lipophilic glycerol-based polymers for organic deposition control in papermaking processes'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to DONG QUN (1)· patent assignee history
2014–2020Based in Shanghai, CN· patent location history
2020Patents assigned to CHINA PETROLEUM & CHEM CORP (1)· patent assignee history
2020Patents assigned to ECOLAB USA INC (1)· patent assignee history
2020Based in Beijing, CN· patent location history
2021Patents assigned to EATON CORP (1)· patent assignee history
2021Patents assigned to EATON INTELLIGENT POWER LTD (1)· patent assignee history
2021Based in Edina, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA PETROLEUM & CHEM CORP | 1 | 2020 |
| DONG QUN | 1 | 2014 |
| EATON CORP | 1 | 2021 |
| EATON INTELLIGENT POWER LTD | 1 | 2021 |
| ECOLAB USA INC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shanghai, CN | 2 | 2014–2020 |
| Edina, Minnesota, US | 1 | 2021 |
| Beijing, CN | 1 | 2020 |