- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/3268 - Mounting of sealing rings
Patent holdings for IPC class F16J 15/3268
Total number of patents in this class: 252
10-year publication summary
|
8
|
37
|
41
|
43
|
41
|
42
|
26
|
22
|
19
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 8880 |
15 |
| Aktiebolaget SKF | 2700 |
12 |
| Rtx Corporation | 8674 |
11 |
| NOK Corporation | 2108 |
9 |
| Carl Freudenberg KG | 1346 |
7 |
| Eagle Industry Co., Ltd. | 1062 |
6 |
| Freudenberg Sealing Technologies S.A.S. di Externa Italia S.r.l.u | 19 |
6 |
| NSK Ltd. | 2719 |
4 |
| PSA Automobiles SA | 2057 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
3 |
| Burckhardt Compression AG | 116 |
3 |
| FBD Partnership, LP | 37 |
3 |
| Herrenknecht AG | 186 |
3 |
| Sealink Corp. | 13 |
3 |
| Arvos Ljungstrom LLC | 43 |
3 |
| Deere & Company | 6845 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| ABB Schweiz AG | 6321 |
2 |
| Other owners | 148 |