- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KYB Corporation | 1325 |
6 |
| Toyota Industries Corporation | 1057 |
5 |
| Eagle Industry Co., Ltd. | 1101 |
5 |
| Kayaba Industry Co., Ltd. | 367 |
5 |
| DEKA Products Limited Partnership | 1707 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3015 |
4 |
| Robert Bosch GmbH | 41786 |
3 |
| FNA Group, Inc. | 162 |
3 |
| Hydro-Gear Limited Partnership | 345 |
3 |
| Parker-Hannifin Corporation | 1022 |
3 |
| THK Co., Ltd. | 1215 |
3 |
| Honeywell International Inc. | 14021 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2566 |
2 |
| Kubota Corporation | 3495 |
2 |
| Liebherr Machines Bulle SA | 46 |
2 |
| MAHLE International GmbH | 2705 |
2 |
| Putzmeister Engineering GmbH | 337 |
2 |
| Danfoss A/S | 1320 |
2 |
| Eaton Corporation | 1831 |
1 |
| Delphi Technologies, Inc. | 452 |
1 |
| Other owners | 31 |