- Sections
- F - Mécaniqueéclairagechauffagearmementsautage
- F22B - Méthodes de production de vapeurchaudières à vapeur
- F22B 37/52 - Dispositifs de lavage
Détention brevets de la classe F22B 37/52
Brevets de cette classe: 70
Historique des publications depuis 10 ans
|
7
|
7
|
7
|
5
|
7
|
1
|
0
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Kurita Water Industries Ltd. | 1156 |
18 |
| Varo Teollisuuspalvelut Oy | 13 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
4 |
| Mitsubishi Hitachi Power Systems, Ltd. | 995 |
4 |
| Siemens AG | 24565 |
3 |
| International Paper Company | 814 |
3 |
| Joint Stock Company "atomenergoproekt" | 85 |
3 |
| Her Majesty the Queen in right of Canada, as represented by the Minister of Natural Resources | 105 |
2 |
| Mac & Mac Hydrodemolition Inc. | 46 |
2 |
| Skavis Corporation | 12 |
2 |
| Westinghouse Electric Company LLC | 1115 |
2 |
| Kohler Co. | 3935 |
1 |
| Alfa Laval Corporate AB | 1305 |
1 |
| Andritz Inc. | 337 |
1 |
| BORSIG GmbH | 17 |
1 |
| Boyle Energy Services & Technology, Inc. | 4 |
1 |
| China General Nuclear Power Group | 44 |
1 |
| Her Majesty The Queen in Right of Canada AS represented by The Minister of Natural Resources Canada | 87 |
1 |
| Hydro-Thermal Corporation | 28 |
1 |
| Korea Institute of Industrial Technology | 1007 |
1 |
| Autres propriétaires | 13 |