- 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: 590
10-year publication summary
|
91
|
79
|
60
|
50
|
34
|
39
|
32
|
35
|
23
|
18
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6411 |
29 |
| KYB Corporation | 1426 |
26 |
| Robert Bosch GmbH | 44209 |
20 |
| Denso Corporation | 25607 |
18 |
| Nidec Tosok Corporation | 206 |
17 |
| LG Electronics Inc. | 75845 |
16 |
| Mikuni Corporation | 340 |
14 |
| Aisin AW Co., Ltd. | 2252 |
10 |
| Project Phoenix, LLC | 55 |
10 |
| Schwabische Huttenwerke Automotive GmbH | 62 |
10 |
| JTEKT Corporation | 2599 |
8 |
| Nidec Corporation | 2818 |
8 |
| Hitachi Automotive Systems, Ltd. | 3954 |
7 |
| Daikin Industries, Ltd. | 10511 |
7 |
| Hamilton Sundstrand Corporation | 5013 |
7 |
| NETZSCH Pumpen & Systeme GmbH | 109 |
6 |
| Pierburg Pump Technology GmbH | 334 |
6 |
| Vitesco Technologies GmbH | 2396 |
6 |
| Aisin Seiki Kabushiki Kaisha | 2157 |
5 |
| Schaeffler Technologies AG & Co. KG | 11044 |
5 |
| Other owners | 355 |