- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 13/08 - Locomobile, traction-engine, steam-roller, or locomotive boilers without auxiliary water tubes inside the fire-box
Patent holdings for IPC class F22B 13/08
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| XDI Holdings, LLC | 20 |
1 |
| Mackwell & Co. Limited | 3 |
1 |
| Other owners | 0 |