- 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: 997
10-year publication summary
105
|
83
|
131
|
82
|
62
|
63
|
73
|
64
|
74
|
24
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 42647 |
84 |
Nidec Tosok Corporation | 206 |
32 |
Mikuni Corporation | 343 |
30 |
Denso Corporation | 24248 |
28 |
LG Innotek Co., Ltd. | 7624 |
24 |
Aisin Seiki Kabushiki Kaisha | 2237 |
24 |
Yamada Manufacturing Co., Ltd. | 137 |
19 |
Schaeffler Technologies AG & Co. KG | 9839 |
18 |
Aisin AW Co., Ltd. | 2328 |
17 |
GHSP, Inc. | 130 |
17 |
Sumitomo Electric Sintered Alloy, Ltd. | 227 |
17 |
NTN Corporation | 4981 |
16 |
Nidec Corporation | 2658 |
16 |
Parker-Hannifin Corporation | 1035 |
14 |
Eckerle Technologies GmbH | 20 |
14 |
JTEKT Corporation | 2492 |
13 |
Schwabische Huttenwerke Automotive GmbH | 63 |
12 |
ADVICS Co., Ltd. | 1277 |
10 |
Parker Intangibles LLC | 1164 |
9 |
Zhejiang Sanhua Automotive Components Co., Ltd. | 297 |
9 |
Other owners | 574 |