- 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 2/08 - 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: 607
10-year publication summary
71
|
66
|
69
|
80
|
47
|
46
|
39
|
40
|
32
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
49 |
Hamilton Sundstrand Corporation | 4525 |
23 |
Project Phoenix, LLC | 52 |
23 |
Hugo Vogelsang Maschinenbau GmbH | 65 |
12 |
Denso Corporation | 23338 |
10 |
Yamada Manufacturing Co., Ltd. | 141 |
9 |
Schwabische Huttenwerke Automotive GmbH | 68 |
8 |
Vitesco Technologies GmbH | 2372 |
8 |
GM Global Technology Operations LLC | 13620 |
7 |
Hyundai Motor Company | 19021 |
6 |
Schaeffler Technologies AG & Co. KG | 8880 |
6 |
JTEKT Corporation | 2423 |
6 |
Eaton Corporation | 1839 |
5 |
Becton, Dickinson and Company | 6712 |
5 |
Micropump, Inc. | 22 |
5 |
Oerlikon Textile GmbH & Co. KG | 611 |
5 |
Saudi Arabian Oil Company | 11322 |
5 |
Settima Meccanica S.r.l. - Societa a Socio Unico | 10 |
5 |
Sumitomo Electric Sintered Alloy, Ltd. | 214 |
5 |
Viking Pump, Inc. | 61 |
5 |
Other owners | 400 |