Inventor
Rongfeng Cheng
Inventor
Qingdao, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D06Fprimary
D06FLaundering, drying, ironing, pressing or folding textile articles25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
F26BDrying solid materials or objects by removing liquid therefrom13%
H01FMagnets13%
H05KPrinted circuits13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016Patents assigned to BING JINDONG (1)· patent assignee history
2016Patents assigned to CHENG RONGFENG (1)· patent assignee history
2016Patents assigned to HAIER GROUP CORP (1)· patent assignee history
2016Patents assigned to LV PEISHI (1)· patent assignee history
2016Patents assigned to QINGDAO HAIER WASHING MACH CO (1)· patent assignee history
2016Based in Laoshan, Qingdao, Shandong, CN· patent location history
2018Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BING JINDONG | 1 | 2016 |
| CHENG RONGFENGself | 1 | 2016 |
| HAIER GROUP CORP | 1 | 2016 |
| LV PEISHI | 1 | 2016 |
| QINGDAO HAIER WASHING MACH CO | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Qingdao, CN | 1 | 2018 |
| Laoshan, Qingdao, Shandong, CN | 1 | 2016 |