- 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: 1010
10-year publication summary
|
103
|
83
|
128
|
79
|
61
|
61
|
70
|
64
|
75
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43034 |
84 |
| Nidec Tosok Corporation | 206 |
32 |
| Mikuni Corporation | 342 |
30 |
| Denso Corporation | 24755 |
28 |
| LG Innotek Co., Ltd. | 7915 |
24 |
| Aisin Seiki Kabushiki Kaisha | 2208 |
23 |
| Schaeffler Technologies AG & Co. KG | 10322 |
20 |
| GHSP, Inc. | 134 |
19 |
| Yamada Manufacturing Co., Ltd. | 148 |
18 |
| Aisin AW Co., Ltd. | 2306 |
17 |
| Sumitomo Electric Sintered Alloy, Ltd. | 229 |
17 |
| NTN Corporation | 4969 |
16 |
| Nidec Corporation | 2698 |
16 |
| Eckerle Technologies GmbH | 20 |
14 |
| JTEKT Corporation | 2521 |
13 |
| Parker-Hannifin Corporation | 1000 |
12 |
| Schwabische Huttenwerke Automotive GmbH | 62 |
12 |
| Parker Intangibles LLC | 1201 |
11 |
| ADVICS Co., Ltd. | 1306 |
10 |
| KYB Corporation | 1391 |
10 |
| Other owners | 584 |