- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in generalvalves or dampers specially adapted for controlling air supply or draught in combustion apparatusinducing draught in combustion apparatustops for chimneys or ventilating shaftsterminals for flues
- F23L 15/02 - Arrangements of regenerators
Patent holdings for IPC class F23L 15/02
Total number of patents in this class: 191
10-year publication summary
|
18
|
16
|
14
|
9
|
12
|
9
|
7
|
6
|
3
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Praxair Technology, Inc. | 1284 |
17 |
| Chugai Ro Co., Ltd. | 130 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3992 |
6 |
| Tenova S.p.A. | 156 |
5 |
| Arvos Ljungstrom LLC | 46 |
5 |
| IHI Corporation | 3447 |
4 |
| Linde Aktiengesellschaft | 1498 |
4 |
| Sintokogio, Ltd. | 1160 |
4 |
| Bloom Engineering Company, Inc. | 24 |
3 |
| Fives North American Combustion, Inc. | 45 |
3 |
| Kyungdong Navien Co., Ltd. | 618 |
3 |
| Novelis Inc. | 112 |
3 |
| WS Warmeprozesstechnik GmbH | 41 |
3 |
| Beijing Shenwu Environment and Energy Technology Co., Ltd. | 18 |
3 |
| NGK Insulators, Ltd. | 4995 |
2 |
| Alstom Technology Ltd | 1096 |
2 |
| Alliance for Sustainable Energy, LLC | 807 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
2 |
| Durr Systems, Inc. | 111 |
2 |
| Edwards Limited | 793 |
2 |
| Other owners | 106 |