- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F15B - Systems acting by means of fluids in general; fluid-pressure actuators, e.g. servomotors; details of fluid-pressure systems, not otherwise provided for
- F15B 21/044 - Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Patent holdings for IPC class F15B 21/044
Total number of patents in this class: 88
10-year publication summary
|
0
|
0
|
6
|
13
|
19
|
13
|
10
|
16
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wolf Tooth Components, LLC | 62 |
6 |
| Robert Bosch GmbH | 40953 |
5 |
| Caterpillar Inc. | 8877 |
4 |
| Schaeffler Technologies AG & Co. KG | 8880 |
4 |
| Woodward, Inc. | 602 |
4 |
| Yamashin-filter Corp. | 115 |
4 |
| ZF CV Systems Europe BV | 682 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Shimano Inc. | 3099 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Komatsu Ltd. | 4265 |
2 |
| Emerson Process Management Regulator Technologies, Inc. | 373 |
2 |
| Schroeder Industries, LLC | 48 |
2 |
| Safran Landing Systems | 621 |
2 |
| DÜRR SOMAC GmbH | 51 |
2 |
| Joyson Safety Systems Acquisition LLC | 351 |
2 |
| Festo SE & Co. KG | 349 |
2 |
| The Boeing Company | 19843 |
1 |
| Deere & Company | 6845 |
1 |
| Other owners | 31 |