- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 14/24 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves
Patent holdings for IPC class F04C 14/24
Total number of patents in this class: 180
10-year publication summary
|
28
|
26
|
25
|
21
|
19
|
8
|
11
|
9
|
8
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6371 |
13 |
| Pierburg Pump Technology GmbH | 329 |
12 |
| Project Phoenix, LLC | 53 |
11 |
| Stackpole International Engineered Products, Ltd. | 28 |
6 |
| Saudi Arabian Oil Company | 13656 |
5 |
| Robert Bosch GmbH | 43063 |
4 |
| Hamilton Sundstrand Corporation | 4954 |
4 |
| Impulse Downhole Solutions Ltd. | 55 |
4 |
| BASF SE | 21087 |
3 |
| Toyota Motor Corporation | 33440 |
3 |
| Hitachi Automotive Systems, Ltd. | 3955 |
3 |
| Caterpillar Inc. | 9768 |
3 |
| IHI Corporation | 3467 |
3 |
| Magna Powertrain Inc. | 112 |
3 |
| Mikuni Corporation | 342 |
3 |
| Nidec GPM GmbH | 140 |
3 |
| Yamada Manufacturing Co., Ltd. | 148 |
3 |
| Hanon Systems EFP Deutschland GmbH | 91 |
3 |
| Copeland LP | 693 |
3 |
| Honda Motor Co., Ltd. | 25780 |
2 |
| Other owners | 86 |