- 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: 422
10-year publication summary
|
11
|
21
|
22
|
33
|
35
|
41
|
28
|
43
|
34
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Zosen Corporation | 617 |
22 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
20 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 126 |
20 |
| Saudi Arabian Oil Company | 13185 |
12 |
| EBARA Environmental Plant Co., Ltd. | 43 |
12 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3033 |
12 |
| WM Intellectual Property Holdings, L.L.C. | 251 |
6 |
| Schlumberger Technology Corporation | 10727 |
5 |
| Metawater Co., Ltd. | 194 |
5 |
| Nippon Steel Engineering Co., Ltd. | 206 |
5 |
| Tsukishima Kikai Co., Ltd. | 113 |
5 |
| Schlumberger Canada Limited | 7296 |
4 |
| Air Products and Chemicals, Inc. | 1424 |
4 |
| Beijing University of Technology | 492 |
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 Technology B.v. | 5165 |
3 |
| Honeywell International Inc. | 13553 |
3 |
| Other owners | 264 |