- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28G - Cleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes of boilers
- F28G 13/00 - Appliances or processes not covered by groups Combinations of appliances or processes covered by groups
Patent holdings for IPC class F28G 13/00
Total number of patents in this class: 143
10-year publication summary
|
19
|
10
|
21
|
10
|
9
|
14
|
10
|
4
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1194 |
12 |
| Empig AS | 12 |
6 |
| AGCO Corporation | 1123 |
4 |
| Fractal Heatsink Technologies, LLC | 21 |
4 |
| Westinghouse Electric Company LLC | 1139 |
4 |
| Coflo Technologies LLC | 4 |
4 |
| Ecolab USA Inc. | 5499 |
3 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2372 |
3 |
| Vahterus Oy | 71 |
3 |
| U.S. Bank Trust Co National Association | 75 |
3 |
| Haier Smart Home Co., Ltd. | 5468 |
3 |
| Denso Corporation | 24334 |
2 |
| Atieva, Inc. | 501 |
2 |
| The Chugoku Electric Power Co., Inc. | 513 |
2 |
| Crossford International, LLC | 87 |
2 |
| Diversitech Corporation | 217 |
2 |
| Hiroshima University | 563 |
2 |
| INEOS Europe AG | 204 |
2 |
| Lufthansa Technik AG | 480 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 993 |
2 |
| Other owners | 76 |