- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
Patent holdings for IPC class F04C 2/08
Total number of patents in this class: 636
10-year publication summary
|
66
|
69
|
80
|
47
|
46
|
39
|
45
|
34
|
44
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42684 |
48 |
| Project Phoenix, LLC | 53 |
24 |
| Hamilton Sundstrand Corporation | 4881 |
23 |
| Hugo Vogelsang Maschinenbau GmbH | 64 |
11 |
| Denso Corporation | 24316 |
10 |
| Yamada Manufacturing Co., Ltd. | 137 |
8 |
| Vitesco Technologies GmbH | 2607 |
8 |
| GM Global Technology Operations LLC | 15062 |
7 |
| Schaeffler Technologies AG & Co. KG | 9882 |
7 |
| Schwabische Huttenwerke Automotive GmbH | 63 |
7 |
| Viking Pump, Inc. | 68 |
7 |
| Hyundai Motor Company | 22022 |
6 |
| JTEKT Corporation | 2493 |
6 |
| Settima Meccanica S.r.l. | 55 |
6 |
| Settima Meccanica S.r.l. - Societa a Socio Unico | 11 |
6 |
| Eaton Intelligent Power Limited | 5989 |
6 |
| Eaton Corporation | 1820 |
5 |
| Becton, Dickinson and Company | 7237 |
5 |
| Caterpillar Inc. | 9549 |
5 |
| Rolls-Royce PLC | 3102 |
5 |
| Other owners | 426 |