- 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: 71
10-year publication summary
|
7
|
5
|
4
|
3
|
3
|
5
|
6
|
11
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cot-Clean Oil Technology AB | 6 |
4 |
| Pratt & Whitney Canada Corp. | 5356 |
3 |
| Robert Bosch GmbH | 43788 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
2 |
| Dana Canada Corporation | 268 |
2 |
| Graco Minnesota Inc. | 1260 |
2 |
| Ravarini Castoldi & C. S.r.l. | 3 |
2 |
| Saudi Arabian Oil Company | 13956 |
2 |
| Stewart & Stevenson LLC | 129 |
2 |
| Trane International Inc. | 1221 |
2 |
| Ufi Filters S.p.A. | 192 |
2 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 469 |
2 |
| Suburban Manufacturing, LLC | 12 |
2 |
| Deere & Company | 8005 |
1 |
| Airbus Helicopters | 936 |
1 |
| NGK Insulators, Ltd. | 5223 |
1 |
| NTN Corporation | 4928 |
1 |
| NSK Ltd. | 2825 |
1 |
| Makita Corporation | 2528 |
1 |
| The United States of America as represented by the Secretary of the Army | 1252 |
1 |
| Other owners | 34 |