Steering control device for trackless train and control method therefor
US-11110959-B2 · Sep 7, 2021 · US
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Li Qunzhan patents
Li Qunzhan holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Apr 11, 2019 |
| Latest publication | Sep 7, 2021 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Railway transportation power supply construction
US-11065983-B2 · Jul 20, 2021 · US
Railway transportation power supply construction
US-2020139848-A1 · May 7, 2020 · US
Steering control device for trackless train and control method therefor
US-2019106150-A1 · Apr 11, 2019 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Steering control device for trackless train and control method therefor
US-11110959-B2 · Sep 7, 2021 · US
Railway transportation power supply construction
US-11065983-B2 · Jul 20, 2021 · US
Railway transportation power supply construction
US-2020139848-A1 · May 7, 2020 · US
Steering control device for trackless train and control method therefor
US-2019106150-A1 · Apr 11, 2019 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Operations & Transport | 4 |