- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-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: 943
10-year publication summary
81
|
105
|
83
|
131
|
82
|
61
|
63
|
71
|
60
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
86 |
Nidec Tosok Corporation | 213 |
31 |
Denso Corporation | 23338 |
29 |
Mikuni Corporation | 332 |
27 |
Aisin Seiki Kabushiki Kaisha | 2427 |
24 |
LG Innotek Co., Ltd. | 6758 |
21 |
Yamada Manufacturing Co., Ltd. | 141 |
21 |
Aisin AW Co., Ltd. | 2430 |
18 |
Nidec Corporation | 2579 |
17 |
Sumitomo Electric Sintered Alloy, Ltd. | 214 |
16 |
Schaeffler Technologies AG & Co. KG | 8880 |
15 |
NTN Corporation | 5008 |
14 |
JTEKT Corporation | 2423 |
14 |
GHSP, Inc. | 122 |
14 |
ADVICS Co., Ltd. | 1182 |
13 |
Schwabische Huttenwerke Automotive GmbH | 68 |
12 |
Parker-Hannifin Corporation | 999 |
11 |
Parker Intangibles LLC | 1237 |
9 |
Eckerle Technologies GmbH | 13 |
9 |
Hitachi Astemo, Ltd. | 5618 |
8 |
Other owners | 534 |