- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16N - Lubricating
- F16N 21/00 - ConduitsJunctionsFittings for lubrication apertures
Patent holdings for IPC class F16N 21/00
Total number of patents in this class: 144
10-year publication summary
|
21
|
18
|
15
|
13
|
10
|
3
|
13
|
8
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1184 |
6 |
| Rtx Corporation | 9313 |
5 |
| Pratt & Whitney Canada Corp. | 4629 |
4 |
| SKF Lubrication Systems Germany GmbH | 52 |
4 |
| ZF Friedrichshafen AG | 7135 |
3 |
| Alltemp Products Company Limited | 46 |
3 |
| Progressive Oilfield Services Ltd. | 3 |
3 |
| Safran Aircraft Engines | 6250 |
3 |
| ZF Wind Power Antwerpen N.V. | 197 |
3 |
| GJR Meyer Service Inc. | 18 |
3 |
| Toyota Motor Corporation | 31565 |
2 |
| United Technologies Corporation | 2247 |
2 |
| Caterpillar Inc. | 9509 |
2 |
| Hamilton Sundstrand Corporation | 4834 |
2 |
| Azionaria Costruzioni Macchine Automatiche A.C.M.A. S.p.A. | 150 |
2 |
| Brasscorp Limited | 6 |
2 |
| Cummins Filtration IP, Inc. | 808 |
2 |
| Curtis ROYS | 2 |
2 |
| ElringKlinger AG | 534 |
2 |
| Jost-Werke GmbH | 62 |
2 |
| Other owners | 87 |