- 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 15/00 - CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS Details
Patent holdings for IPC class F28G 15/00
Total number of patents in this class: 320
10-year publication summary
|
28
|
32
|
30
|
32
|
24
|
35
|
24
|
13
|
13
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stoneage, Inc. | 279 |
40 |
| Haier Smart Home Co., Ltd. | 5716 |
18 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
17 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
17 |
| LOBBE Industrieservice GmbH & Co KG | 19 |
10 |
| Ecolab USA Inc. | 5803 |
9 |
| Integrated Test & Measurement (ITM), LLC | 8 |
8 |
| Altum Technologies Oy | 12 |
5 |
| Carolina Filters, Inc. | 8 |
5 |
| Siemens AG | 24020 |
4 |
| AGCO Corporation | 1159 |
4 |
| Fractal Heatsink Technologies, LLC | 21 |
4 |
| International Paper Company | 600 |
4 |
| Peinemann Equipment B.V. | 18 |
4 |
| Angara Global Limited | 5 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
3 |
| Andritz Oy | 295 |
3 |
| Candu Energy Inc. | 69 |
3 |
| Dominion Engineering, Inc. | 31 |
3 |
| Empig AS | 12 |
3 |
| Other owners | 152 |