- 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 1/027 - Installations or systems with accumulators having accumulator charging devices
Patent holdings for IPC class F15B 1/027
Total number of patents in this class: 175
10-year publication summary
|
23
|
29
|
20
|
17
|
17
|
17
|
7
|
13
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hydrostor Inc. | 58 |
8 |
| Deere & Company | 7468 |
7 |
| Robert Bosch GmbH | 42272 |
5 |
| Caterpillar Inc. | 9382 |
5 |
| Volvo Construction Equipment AB | 1183 |
5 |
| Honda Motor Co., Ltd. | 25121 |
4 |
| HYDAC Fluidtechnik GmbH | 134 |
4 |
| Hitachi Construction Machinery Co., Ltd. | 2615 |
3 |
| Isocurrent Energy Incorporated | 6 |
3 |
| Danfoss A/S | 1341 |
3 |
| a & a International, LLC | 20 |
3 |
| Augwind Ltd. | 10 |
3 |
| HD Hyundai Infracore Co., Ltd | 268 |
3 |
| Schaeffler Technologies AG & Co. KG | 9650 |
2 |
| Harris Corporation | 1446 |
2 |
| Hewlett Packard Enterprise Development LP | 10693 |
2 |
| AUMA Riester GmbH + Co. KG | 108 |
2 |
| Caterpillar SARL | 477 |
2 |
| Eagle Industry Co., Ltd. | 1125 |
2 |
| HydraForce, Inc. | 38 |
2 |
| Other owners | 105 |