- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16J - Pistonscylinderspressure vessels in generalsealings
- F16J 15/00 - Sealings
Patent holdings for IPC class F16J 15/00
Total number of patents in this class: 1024
10-year publication summary
|
89
|
81
|
81
|
67
|
52
|
59
|
41
|
38
|
40
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NOK Corporation | 2263 |
53 |
| Eagle Industry Co., Ltd. | 1161 |
15 |
| Rtx Corporation | 9761 |
15 |
| Siemens AG | 24278 |
13 |
| Valqua, Ltd. | 292 |
13 |
| Baker Hughes Incorporated | 5109 |
12 |
| Aktiebolaget SKF | 3047 |
12 |
| Caterpillar Inc. | 9998 |
11 |
| Carl Freudenberg KG | 1412 |
11 |
| Robert Bosch GmbH | 43294 |
10 |
| John Crane Inc. | 106 |
10 |
| EagleBurgmann Germany GmbH & Co. KG | 344 |
9 |
| Flowserve Management Company | 196 |
9 |
| Kalsi Engineering, Inc. | 54 |
8 |
| Schaeffler Technologies AG & Co. KG | 10539 |
7 |
| NTN Corporation | 4944 |
7 |
| Burckhardt Compression AG | 123 |
7 |
| The Boeing Company | 20106 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8961 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
6 |
| Other owners | 784 |