- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 15/06 - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Patent holdings for IPC class F04C 15/06
Total number of patents in this class: 568
10-year publication summary
|
73
|
91
|
79
|
59
|
49
|
33
|
39
|
31
|
34
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6381 |
29 |
| KYB Corporation | 1372 |
25 |
| Robert Bosch GmbH | 42824 |
19 |
| Denso Corporation | 24480 |
18 |
| Nidec Tosok Corporation | 206 |
17 |
| LG Electronics Inc. | 73578 |
16 |
| Mikuni Corporation | 341 |
14 |
| Aisin AW Co., Ltd. | 2324 |
10 |
| Project Phoenix, LLC | 53 |
9 |
| Schwabische Huttenwerke Automotive GmbH | 63 |
9 |
| Daikin Industries, Ltd. | 10071 |
8 |
| JTEKT Corporation | 2522 |
8 |
| Nidec Corporation | 2672 |
8 |
| Hitachi Automotive Systems, Ltd. | 3955 |
7 |
| Hamilton Sundstrand Corporation | 4916 |
7 |
| NETZSCH Pumpen & Systeme GmbH | 99 |
6 |
| Vitesco Technologies GmbH | 2598 |
6 |
| Aisin Seiki Kabushiki Kaisha | 2223 |
5 |
| Schaeffler Technologies AG & Co. KG | 9995 |
5 |
| Leistritz Pumpen GmbH | 24 |
5 |
| Other owners | 337 |