F01B 2250/002
Valves, brakes, control or safety devices for steam engines
F01B2250/002 (Valves, brakes, control or safety devices for steam engines) appears on 2 US grants and 1 published applications in this corpus.
Search patents in F01B- Granted patents
- 2
- Published applications
- 1
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 15 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
By publication year.
Recent patents
Most cited
By later US patents