- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F22B - Methods of steam generationsteam boilers
- F22B 27/04 - Instantaneous or flash steam boilers built-up from water tubes
Patent holdings for IPC class F22B 27/04
Total number of patents in this class: 7
10-year publication summary
|
1
|
0
|
2
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Obschestvo S Ogranichennoi Otvetstvennostju 'akva-piro-alyans' | 3 |
2 |
| S. C. Johnson & Son, Inc. | 2753 |
1 |
| Incorporated Administrative Agency National Agriculture and Food Research Organization | 62 |
1 |
| Taiyo Seisakusho Co., Ltd. | 2 |
1 |
| Umeda Jimusho Ltd. | 10 |
1 |
| Steris Instrument Management Services, Inc. | 62 |
1 |
| Other owners | 0 |