- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
Patent holdings for IPC class F04C 2/10
Total number of patents in this class: 1035
10-year publication summary
|
83
|
131
|
82
|
62
|
63
|
73
|
64
|
75
|
48
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44128 |
84 |
| Nidec Tosok Corporation | 206 |
32 |
| Mikuni Corporation | 339 |
30 |
| Denso Corporation | 25513 |
28 |
| LG Innotek Co., Ltd. | 8453 |
24 |
| Aisin Seiki Kabushiki Kaisha | 2161 |
23 |
| Schaeffler Technologies AG & Co. KG | 10948 |
21 |
| GHSP, Inc. | 139 |
20 |
| Sumitomo Electric Sintered Alloy, Ltd. | 245 |
20 |
| Yamada Manufacturing Co., Ltd. | 150 |
18 |
| Aisin AW Co., Ltd. | 2256 |
17 |
| NTN Corporation | 4915 |
16 |
| Nidec Corporation | 2806 |
16 |
| Eckerle Technologies GmbH | 21 |
14 |
| JTEKT Corporation | 2580 |
13 |
| Parker-Hannifin Corporation | 1034 |
12 |
| Schwabische Huttenwerke Automotive GmbH | 62 |
12 |
| KYB Corporation | 1421 |
11 |
| Parker Intangibles LLC | 1169 |
11 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 330 |
11 |
| Other owners | 602 |