Inventor
Jianying Liang
Inventor
Shandong, CN
Overview
Patents· 5 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 axles19%
B61DBody details or kinds of railway vehicles13%
B60LPropulsion of electrically-propelled vehicles6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for6%
B61LGuiding railway traffic6%
E05BLocks6%
G08CTransmission systems for measured values, control or similar signals6%
H01HElectric switches6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
10,464,524Alarming and unlocking device201910,207,725Method and device for transmitting signal among compartments of train201910,137,910Rail vehicle bogie draw-gear201810,071,753Railway vehicle and chassis end plate assembly thereof201810,071,751Mounting structure for equipment compartment bottom plate2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2019Patents assigned to CRRC QINGDAO SIFANG CO LTD (5)· patent assignee history
2018–2019Based in Shandong, CN· patent location history
2019Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CRRC QINGDAO SIFANG CO LTD | 5 | 2018–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 4 | 2018–2019 |
| Qingdao, CN | 1 | 2019 |