- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23G - Cremation furnacesconsuming waste or low grade fuels by combustion
- F23G 5/50 - Control or safety arrangements
Patent holdings for IPC class F23G 5/50
Total number of patents in this class: 436
10-year publication summary
|
20
|
22
|
32
|
32
|
40
|
27
|
41
|
34
|
28
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Zosen Corporation | 614 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8931 |
21 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 126 |
20 |
| Saudi Arabian Oil Company | 13708 |
13 |
| EBARA Environmental Plant Co., Ltd. | 45 |
12 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3113 |
12 |
| Metawater Co., Ltd. | 201 |
6 |
| WM Intellectual Property Holdings, L.L.C. | 259 |
6 |
| Schlumberger Technology Corporation | 11129 |
5 |
| Beijing University of Technology | 506 |
5 |
| Nippon Steel Engineering Co., Ltd. | 197 |
5 |
| Tsukishima Kikai Co., Ltd. | 114 |
5 |
| Air Products and Chemicals, Inc. | 1454 |
4 |
| Kinsei Sangyo Co., Ltd. | 12 |
4 |
| Sanki Engineering Co., Ltd. | 23 |
4 |
| Shanghai Sus Environment Co., Ltd. | 12 |
4 |
| Shenzhen Energy Environment Co., Ltd . | 29 |
4 |
| Schlumberger Canada Limited | 7460 |
3 |
| Schlumberger Technology B.v. | 5228 |
3 |
| Honeywell International Inc. | 13536 |
3 |
| Other owners | 275 |