- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F22B - Methods of steam generation; steam boilers
- F22B 29/02 - Steam boilers of forced-flow type of forced-circulation type
Patent holdings for IPC class F22B 29/02
Total number of patents in this class: 25
10-year publication summary
2
|
2
|
2
|
0
|
0
|
1
|
0
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2
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2
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
3 |
The Cleaver-Brooks Company, Inc. | 39 |
2 |
Mackwell Pero & Co Limited | 2 |
2 |
LG Electronics Inc. | 69257 |
1 |
Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
Cockerill Maintenance & Ingenierie SA | 82 |
1 |
ConocoPhillips Company | 1657 |
1 |
Cosmo Oil Co., Ltd. | 221 |
1 |
General Electric Technology GmbH | 1657 |
1 |
Hipvap Technologies Inc. | 7 |
1 |
Inpex Corporation | 166 |
1 |
Japan Oil, Gas and Metals National Corporation | 222 |
1 |
Japan Petroleum Exploration Co., Ltd. | 178 |
1 |
JX Nippon Oil & Energy Corporation | 1019 |
1 |
Nippon Steel & Sumikin Engineering Co., Ltd. | 186 |
1 |
Siemens Concentrated Solar Power Ltd. | 49 |
1 |
National Technology & Engineering Solutions of Sandia, LLC | 1851 |
1 |
Steris Instrument Management Services, Inc. | 65 |
1 |
Siemens Energy Global GmbH & Co. KG | 2775 |
1 |
Mackwell Locomotive Company Limited | 1 |
1 |
Other owners | 1 |