- 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 15/22 - Other details for accelerating or decelerating the stroke
Patent holdings for IPC class F15B 15/22
Total number of patents in this class: 303
10-year publication summary
|
26
|
28
|
18
|
36
|
20
|
23
|
32
|
26
|
17
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMC Corporation | 1354 |
33 |
| KYB Corporation | 1278 |
10 |
| Caterpillar Inc. | 8877 |
9 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
7 |
| Kayaba Industry Co., Ltd. | 376 |
7 |
| Sany Heavy Industry Co., Ltd. | 243 |
7 |
| Hamilton Sundstrand Corporation | 4525 |
6 |
| Swagelok Company | 325 |
6 |
| Airbus Operations Limited | 1157 |
4 |
| Bumach Engineering International B.V. | 28 |
4 |
| Emerson Process Management Valve Automation, Inc. | 56 |
4 |
| Festo SE & Co. KG | 349 |
4 |
| The Boeing Company | 19843 |
3 |
| Deere & Company | 6845 |
3 |
| Robert Bosch GmbH | 40953 |
3 |
| ZF Friedrichshafen AG | 6820 |
3 |
| Komatsu Ltd. | 4265 |
3 |
| Buemach Engineering International B.V. | 12 |
3 |
| DADCO, Inc. | 55 |
3 |
| Gaudet Machine Works Inc. | 8 |
3 |
| Other owners | 178 |