- 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 15/28 - Means for indicating the position, e.g. end of stroke
Patent holdings for IPC class F15B 15/28
Total number of patents in this class: 563
10-year publication summary
|
62
|
45
|
45
|
66
|
58
|
42
|
37
|
21
|
30
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMC Corporation | 1354 |
50 |
| Festo AG & Co. KG | 313 |
16 |
| Komatsu Ltd. | 4265 |
14 |
| Caterpillar Inc. | 8877 |
12 |
| ASTYX GmbH | 31 |
12 |
| Kosmek Ltd. | 135 |
11 |
| Festo SE & Co. KG | 349 |
11 |
| Robert Bosch GmbH | 40953 |
10 |
| Schaeffler Technologies AG & Co. KG | 8880 |
10 |
| Pascal Engineering Corporation | 128 |
8 |
| Fisher Controls International LLC | 1520 |
7 |
| Deere & Company | 6845 |
6 |
| Boston Dynamics, Inc. | 453 |
6 |
| ZF Friedrichshafen AG | 6820 |
5 |
| KYB Corporation | 1278 |
5 |
| Moshun, LLC | 40 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Eaton Corporation | 1839 |
4 |
| Koganei Corporation | 209 |
4 |
| Liebherr-Elektronik GmbH | 20 |
4 |
| Other owners | 359 |