- 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 1/02 - Installations or systems with accumulators
Patent holdings for IPC class F15B 1/02
Total number of patents in this class: 684
10-year publication summary
|
50
|
72
|
62
|
49
|
59
|
61
|
57
|
48
|
48
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9548 |
32 |
| Robert Bosch GmbH | 42689 |
27 |
| Deere & Company | 7605 |
18 |
| Volvo Construction Equipment AB | 1191 |
15 |
| HYDAC Technology GmbH | 236 |
13 |
| Hitachi Construction Machinery Co., Ltd. | 2643 |
10 |
| Danfoss A/S | 1355 |
9 |
| a & a International, LLC | 20 |
9 |
| Parker-Hannifin Corporation | 1037 |
7 |
| Schaeffler Technologies AG & Co. KG | 9873 |
6 |
| Artemis Intelligent Power Limited | 100 |
6 |
| Holmes Solutions Limited Partnership | 28 |
6 |
| Parker Intangibles LLC | 1163 |
6 |
| Voith Patent GmbH | 2759 |
6 |
| HYDAC Mobilhydraulik GmbH | 23 |
6 |
| Caterpillar SARL | 476 |
5 |
| HYDAC Fluidtechnik GmbH | 137 |
5 |
| Kubota Corporation | 3899 |
5 |
| MacDon Industries Ltd. | 361 |
5 |
| Xuzhou Heavy Machinery Co., Ltd. | 99 |
5 |
| Other owners | 483 |