- 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: 27
10-year publication summary
|
6
|
0
|
1
|
1
|
1
|
4
|
1
|
4
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HYDAC Technology GmbH | 244 |
6 |
| FLEXcon Industries, Inc. | 24 |
2 |
| Malema Engineering Corporation | 42 |
2 |
| Performance Pulsation Control, Inc. | 59 |
2 |
| Spraying Systems Co. | 504 |
2 |
| Canon Inc. | 42303 |
1 |
| Robert Bosch GmbH | 43587 |
1 |
| Caterpillar Inc. | 10132 |
1 |
| Ampelmann Holding B.V. | 21 |
1 |
| AMTROL Licensing Inc. | 215 |
1 |
| Astrium GmbH | 36 |
1 |
| Eagle Industry Co., Ltd. | 1167 |
1 |
| Hydro LEDUC | 10 |
1 |
| Key Safety Systems, Inc. | 180 |
1 |
| NHK Spring Co., Ltd. | 1934 |
1 |
| Cam Lock Limited | 6 |
1 |
| Zilio Industries S.r.l. | 1 |
1 |
| China FAW Co., Ltd. | 952 |
1 |
| Other owners | 0 |