- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15B - Systems acting by means of fluids in generalfluid-pressure actuators, e.g. servomotorsdetails of fluid-pressure systems, not otherwise provided for
- F15B 1/12 - Accumulators using a gas cushionGas charging devicesIndicators or floats therefor with flexible separating means attached at their periphery
Patent holdings for IPC class F15B 1/12
Total number of patents in this class: 25
10-year publication summary
|
1
|
6
|
0
|
1
|
1
|
1
|
4
|
0
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Technology GmbH | 237 |
5 |
| FLEXcon Industries, Inc. | 24 |
2 |
| Malema Engineering Corporation | 36 |
2 |
| Performance Pulsation Control, Inc. | 58 |
2 |
| Spraying Systems Co. | 493 |
2 |
| Canon Inc. | 40280 |
1 |
| Robert Bosch GmbH | 42784 |
1 |
| Caterpillar Inc. | 9604 |
1 |
| Ampelmann Holding B.V. | 23 |
1 |
| AMTROL Licensing Inc. | 219 |
1 |
| Astrium GmbH | 43 |
1 |
| Eagle Industry Co., Ltd. | 1135 |
1 |
| Hydro LEDUC | 10 |
1 |
| Key Safety Systems, Inc. | 194 |
1 |
| NHK Spring Co., Ltd. | 1874 |
1 |
| Zilio Industries S.r.l. | 1 |
1 |
| China FAW Co., Ltd. | 770 |
1 |
| Other owners | 0 |