- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 37/08 - Fittings preventing burning-off of the tube edges
Patent holdings for IPC class F22B 37/08
Total number of patents in this class: 9
10-year publication summary
|
3
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Blasch Precision Ceramics, Inc. | 36 |
3 |
| Innalox B.V. | 4 |
3 |
| LG Electronics Inc. | 69257 |
1 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
| Shell Oil Company | 2196 |
1 |
| Other owners | 0 |