- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16N - Lubricating
- F16N 21/06 - Covering members for nipples, conduits, or apertures
Patent holdings for IPC class F16N 21/06
Total number of patents in this class: 17
10-year publication summary
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1
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1
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3
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0
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1
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1
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1
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0
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1
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2
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5584 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| Aktiebolaget SKF | 3156 |
2 |
| Saudi Arabian Oil Company | 14390 |
2 |
| Airbus Helicopters | 954 |
1 |
| Nissan Motor Co., Ltd. | 13071 |
1 |
| NSK Ltd. | 2848 |
1 |
| Aramco Services Company | 4191 |
1 |
| Cummins Inc. | 2659 |
1 |
| Noble Drilling Services, Inc. | 14 |
1 |
| RENAULT s.a.s. | 5377 |
1 |
| SKF BV | 27 |
1 |
| Flowchem, LLC | 1 |
1 |
| Other owners | 0 |