- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 5/04 - Component parts thereof; Accessories therefor
Patent holdings for IPC class F22B 5/04
Total number of patents in this class: 9
10-year publication summary
1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Bradford White Corporation | 127 |
2 |
Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
Shell Oil Company | 2196 |
1 |
Alstom Technology Ltd | 1196 |
1 |
Air Products and Chemicals, Inc. | 1448 |
1 |
A. o. Smith Corporation | 204 |
1 |
Apcom, Inc. | 3 |
1 |
Rheem Manufacturing Company | 861 |
1 |
Other owners | 0 |