Crossing gate mechanism with integrated maintenance status alarm
US-12548426-B2 · Feb 10, 2026 · US
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Dobson James patents
Dobson James is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Dobson James |
| Total patents | 4 |
| First publication | May 20, 2021 |
| Latest publication | Feb 10, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Crossing gate mechanism with integrated maintenance status alarm
US-2024194047-A1 · Jun 13, 2024 · US
Modular railroad track simulator
US-11235790-B2 · Feb 1, 2022 · US
Modular railroad track simulator
US-2021146980-A1 · May 20, 2021 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Siemens Mobility Inc | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B61L27/60 | 2 |
| B61L1/16 | 2 |
| G01R35/005 | 2 |
| B61L1/20 | 2 |
| B61L29/226 | 2 |