Inventor
Aiqin Tian
Inventor
Shandong, CN
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B61Fprimary
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles43%
B61DBody details or kinds of railway vehicles29%
B61GCouplings14%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%
H05KPrinted circuits7%
PatentTitleYear
11,021,176Energy absorption device and rail vehicle having same202110,518,789Coupling assembly and rail vehicle having same201910,124,818Railway vehicle and local multi-functional member thereof201810,071,751Mounting structure for equipment compartment bottom plate201810,071,753Railway vehicle and chassis end plate assembly thereof20189,889,864'Railway vehicle and head vehicle barrier-removing device thereof'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2021Patents assigned to CRRC QINGDAO SIFANG CO LTD (6)· patent assignee history
2018–2021Based in Shandong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CRRC QINGDAO SIFANG CO LTD | 6 | 2018–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 6 | 2018–2021 |