- 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 9/00 - Oscillating-piston machines or pumps
Patent holdings for IPC class F04C 9/00
Total number of patents in this class: 50
10-year publication summary
|
7
|
2
|
6
|
5
|
6
|
6
|
3
|
2
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fresenius Kabi Deutschland GmbH | 570 |
4 |
| Swashpump Technologies Limited | 6 |
3 |
| Exodus R&D International PTE, LTD. | 7 |
3 |
| Log Max AB | 32 |
2 |
| Nabtesco Corporation | 871 |
2 |
| Emerald Energy NW, LLC | 11 |
2 |
| RapSon GmbH | 3 |
2 |
| Denso Ten Limited | 334 |
2 |
| Quest Engines, LLC | 31 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Schaeffler Technologies AG & Co. KG | 8880 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Bell Helicopter Textron Inc. | 1122 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| Electromed, Inc. | 57 |
1 |
| Eveon | 36 |
1 |
| Fresenius Vial SAS | 177 |
1 |
| ITT Manufacturing Enterprises, Inc. | 230 |
1 |
| Other owners | 17 |