- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F23M - Casings, linings, walls or doors specially adapted for combustion chambers, e.g. firebridges; devices for deflecting air, flames or combustion products in combustion chambers; safety arrangements specially adapted for combustion apparatus; details of combustion chambers, not otherwise provided for
- F23M 11/04 - Means for supervising combustion, e.g. windows
Patent holdings for IPC class F23M 11/04
Total number of patents in this class: 77
10-year publication summary
|
10
|
7
|
5
|
7
|
4
|
6
|
11
|
2
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
6 |
| OnPoint Technologies, LLC | 56 |
6 |
| General Electric Company | 18133 |
3 |
| Siemens AG | 24990 |
3 |
| Siemens Energy, Inc. | 1770 |
3 |
| Baker Hughes Holdings LLC | 3060 |
3 |
| Whirlpool Corporation | 4238 |
2 |
| Alstom Technology Ltd | 1196 |
2 |
| Air Products and Chemicals, Inc. | 1448 |
2 |
| Changzheng Engineering Co., Ltd. | 17 |
2 |
| Her Majesty The Queen in Right of Canada AS represented by The Minister of Natural Resources Canada | 89 |
2 |
| Hitachi Zosen Corporation | 609 |
2 |
| Hrst, Inc. | 18 |
2 |
| Lennox Industries Inc. | 1088 |
2 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 122 |
2 |
| Nippon Electric Glass Co., Ltd. | 2299 |
2 |
| Rtx Corporation | 8674 |
2 |
| Honeywell International Inc. | 13799 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| The Regents of the University of Michigan | 4409 |
1 |
| Other owners | 28 |