- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/24 - Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
Patent holdings for IPC class F16J 15/24
Total number of patents in this class: 120
10-year publication summary
|
8
|
4
|
9
|
15
|
9
|
10
|
4
|
7
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Pillar Packing Co., Ltd. | 269 |
10 |
| NOK Corporation | 2108 |
10 |
| Burckhardt Compression AG | 116 |
8 |
| Stein Seal Company | 69 |
6 |
| Eagle Industry Co., Ltd. | 1062 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| Dresser-Rand Company | 233 |
3 |
| STASSKOL GmbH | 11 |
3 |
| Iida Co., Ltd. | 8 |
3 |
| Bridgestone Corporation | 7067 |
2 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
2 |
| A.W. Chesterton Company | 80 |
2 |
| BAL Seal Engineering Co., Inc. | 35 |
2 |
| Baoyi Group Co., Ltd. | 6 |
2 |
| Federal-Mogul Corporation | 362 |
2 |
| Gardner Denver Deutschland GmbH | 58 |
2 |
| Garlock Sealing Technologies LLC | 149 |
2 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
2 |
| Trelleborg Sealing Solutions Germany GmbH | 183 |
2 |
| Yantai Shenglida Engineering Technology Co., Ltd. | 20 |
2 |
| Other owners | 48 |