- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16N - Lubricating
- F16N 39/04 - Arrangements for conditioning of lubricants in the lubricating system by heating
Patent holdings for IPC class F16N 39/04
Total number of patents in this class: 68
10-year publication summary
|
6
|
7
|
5
|
4
|
3
|
3
|
5
|
6
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cot-Clean Oil Technology AB | 7 |
5 |
| Pratt & Whitney Canada Corp. | 4629 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8657 |
2 |
| Robert Bosch GmbH | 42505 |
2 |
| Dana Canada Corporation | 273 |
2 |
| Graco Minnesota Inc. | 1184 |
2 |
| Ravarini Castoldi & C. S.r.l. | 3 |
2 |
| Saudi Arabian Oil Company | 12891 |
2 |
| Trane International Inc. | 1175 |
2 |
| Ufi Filters S.p.A. | 198 |
2 |
| Suburban Manufacturing, LLC | 14 |
2 |
| Deere & Company | 7536 |
1 |
| Airbus Helicopters | 965 |
1 |
| NGK Insulators, Ltd. | 4929 |
1 |
| NSK Ltd. | 2767 |
1 |
| Makita Corporation | 2461 |
1 |
| The United States of America as represented by the Secretary of the Army | 1205 |
1 |
| Toyota Industries Corporation | 1093 |
1 |
| Aktiebolaget SKF | 2924 |
1 |
| ANDREAS STIHL AG & Co. KG | 827 |
1 |
| Other owners | 33 |