- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23J - Removal or treatment of combustion products or combustion residuesflues
- F23J 13/00 - Fittings for chimneys or flues
Patent holdings for IPC class F23J 13/00
Total number of patents in this class: 59
10-year publication summary
|
0
|
9
|
5
|
8
|
8
|
3
|
5
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Field Controls, LLC | 75 |
4 |
| Wuhu Midea Kitchen and Bath Appliances Mfg. Co., Ltd. | 170 |
3 |
| D'herville, Florence Anne | 2 |
2 |
| Geesco Co., Ltd. | 18 |
2 |
| Ipex Technologies Inc. | 106 |
2 |
| Munters Euroform GmbH | 25 |
2 |
| Roof Goose Vent LLC | 18 |
2 |
| Biomass Controls PBC | 9 |
2 |
| Skoberne GmbH | 6 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
1 |
| Alstom Technology Ltd | 1107 |
1 |
| Ebara Corporation | 2172 |
1 |
| A. o. Smith Corporation | 214 |
1 |
| Allied Air Enterprises LLC | 44 |
1 |
| Alter NRG Corp. | 11 |
1 |
| BRI Energy Solutions Limited | 3 |
1 |
| Centrotherm Systemtechnik GmbH | 8 |
1 |
| China Aluminum International Engineering Corporation Limited | 83 |
1 |
| Flexmaster Canada Ltd. | 27 |
1 |
| Fluor Technologies Corporation | 375 |
1 |
| Other owners | 27 |