- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23D - Burners
- F23D 14/78 - Cooling burner parts
Patent holdings for IPC class F23D 14/78
Total number of patents in this class: 224
10-year publication summary
10
|
19
|
19
|
38
|
24
|
19
|
15
|
14
|
12
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Johns Manville | 980 |
29 |
Siemens AG | 24990 |
15 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
7 |
Air Products and Chemicals, Inc. | 1448 |
7 |
Rinnai Corporation | 204 |
7 |
Collins Engine Nozzles, Inc. | 264 |
6 |
Kyungdong Navien Co., Ltd. | 566 |
5 |
Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 162 |
5 |
Mitsubishi Power, Ltd. | 1680 |
5 |
General Electric Company | 18133 |
4 |
Corning Incorporated | 9932 |
4 |
NOVA Chemicals (International) S.A. | 717 |
4 |
Saint-Gobain Isover | 603 |
4 |
Taiyo Nippon Sanso Corporation | 356 |
4 |
GE Infrastructure Technology, LLC | 5873 |
4 |
Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
Berry Metal Company | 52 |
3 |
Chugai Ro Co., Ltd. | 124 |
3 |
Linde Aktiengesellschaft | 1600 |
3 |
Systems Spray Cooled, Inc. | 46 |
3 |
Other owners | 99 |