- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/26 - Control
Patent holdings for IPC class F04B 1/26
Total number of patents in this class: 91
10-year publication summary
|
9
|
6
|
5
|
5
|
6
|
4
|
5
|
2
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1353 |
6 |
| Toyota Industries Corporation | 1106 |
5 |
| Eagle Industry Co., Ltd. | 1123 |
5 |
| Kayaba Industry Co., Ltd. | 357 |
5 |
| DEKA Products Limited Partnership | 1758 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3078 |
4 |
| Robert Bosch GmbH | 42596 |
3 |
| FNA Group, Inc. | 168 |
3 |
| Hydro-Gear Limited Partnership | 347 |
3 |
| Parker-Hannifin Corporation | 1033 |
3 |
| Honeywell International Inc. | 13573 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2630 |
2 |
| Kubota Corporation | 3756 |
2 |
| Liebherr Machines Bulle SA | 48 |
2 |
| MAHLE International GmbH | 2759 |
2 |
| Putzmeister Engineering GmbH | 336 |
2 |
| THK Co., Ltd. | 1203 |
2 |
| Danfoss A/S | 1352 |
2 |
| Eaton Corporation | 1819 |
1 |
| Delphi Technologies, Inc. | 437 |
1 |
| Other owners | 32 |