- 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: 657
10-year publication summary
|
63
|
75
|
47
|
44
|
38
|
41
|
33
|
44
|
29
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43554 |
48 |
| Project Phoenix, LLC | 53 |
24 |
| Hamilton Sundstrand Corporation | 5014 |
23 |
| Hugo Vogelsang Maschinenbau GmbH | 59 |
11 |
| Denso Corporation | 25165 |
10 |
| Schaeffler Technologies AG & Co. KG | 10687 |
8 |
| Schwabische Huttenwerke Automotive GmbH | 63 |
8 |
| Yamada Manufacturing Co., Ltd. | 150 |
8 |
| Vitesco Technologies GmbH | 2406 |
8 |
| GM Global Technology Operations LLC | 15776 |
7 |
| Toyoda Gosei Co., Ltd. | 1829 |
7 |
| Settima Meccanica S.r.l. | 58 |
7 |
| Viking Pump, Inc. | 70 |
7 |
| Eaton Intelligent Power Limited | 6154 |
7 |
| Hyundai Motor Company | 23688 |
6 |
| JTEKT Corporation | 2547 |
6 |
| Settima Meccanica S.r.l. - Societa a Socio Unico | 11 |
6 |
| Eaton Corporation | 1808 |
5 |
| Becton, Dickinson and Company | 7539 |
5 |
| Caterpillar Inc. | 10118 |
5 |
| Other owners | 441 |