- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 16
10-year publication summary
|
4
|
3
|
1
|
1
|
3
|
0
|
1
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Aktiebolaget SKF | 2700 |
2 |
| Saudi Arabian Oil Company | 11322 |
2 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Nissan Motor Co., Ltd. | 12249 |
1 |
| NSK Ltd. | 2719 |
1 |
| Aramco Services Company | 3504 |
1 |
| Cummins Inc. | 2369 |
1 |
| Kile, Ronald J. | 3 |
1 |
| Noble Drilling Services, Inc. | 18 |
1 |
| RENAULT s.a.s. | 5674 |
1 |
| SKF BV | 27 |
1 |
| Flowchem LLC | 48 |
1 |
| Other owners | 0 |