Inventor
Jinghai Jiao
Inventor
Shandong, CN
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Lprimary
B60LPropulsion of electrically-propelled vehicles29%
B61CLocomotives21%
B61DBody details or kinds of railway vehicles7%
G01RMeasuring electric variables7%
H01HElectric switches7%
H01RElectrically-conductive connections7%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines7%
H02JElectric power networks7%
H05KPrinted circuits7%
PatentTitleYear
10,416,222Detection method and system for pantograph arc based on train power supply system201910,411,503Motor train unit auxiliary power supply apparatus201910,192,694Interlocking control device of multiple-unit train safety circuit201910,051,739Control relay board for railway vehicle20189,806,506'High voltage equipment box for railway vehicle'20179,682,714'Switching circuit for implementing coupling at random end of train'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2019Patents assigned to CRRC QINGDAO SIFANG CO LTD (6)· patent assignee history
2017–2019Based in Shandong, CN· patent location history
2019Based in Shangdong, 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 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 5 | 2017–2019 |
| Shangdong, CN | 1 | 2019 |