- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16J - Pistons; cylinders; pressure vessels in general; sealings
- F16J 15/04 - Sealings between relatively-stationary surfaces without packing between the surfaces, e.g. with ground surfaces, with cutting edge
Patent holdings for IPC class F16J 15/04
Total number of patents in this class: 70
10-year publication summary
|
7
|
14
|
10
|
6
|
10
|
1
|
3
|
4
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Boeing Company | 19843 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
3 |
| KMT Waterjet Systems Inc. | 34 |
2 |
| Rtx Corporation | 8674 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| United Technologies Corporation | 2328 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Nissan Motor Co., Ltd. | 12249 |
1 |
| Memjet Technology Ltd. | 757 |
1 |
| Continental Automotive GmbH | 5573 |
1 |
| Aisin AW Co., Ltd. | 2430 |
1 |
| NTN Corporation | 5008 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| Hubbell Incorporated | 3052 |
1 |
| Boe Technology Group Co., Ltd. | 35384 |
1 |
| Albert-ludwigs-universitat Freiburg | 377 |
1 |
| Buemach Engineering International B.V. | 12 |
1 |
| Bumach Engineering International B.V. | 28 |
1 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 4805 |
1 |
| Other owners | 42 |