- 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 14/18 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
Patent holdings for IPC class F04C 14/18
Total number of patents in this class: 98
10-year publication summary
|
13
|
16
|
15
|
14
|
2
|
6
|
6
|
2
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hanon Systems EFP Canada Ltd. | 65 |
11 |
| Hitachi Astemo, Ltd. | 5618 |
9 |
| KYB Corporation | 1278 |
5 |
| Schwabische Huttenwerke Automotive GmbH | 68 |
4 |
| Stackpole International Engineered Products, Ltd. | 46 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Deere & Company | 6845 |
3 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Ford Global Technologies, LLC | 19702 |
3 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
3 |
| Hcvtransmission B.V. | 3 |
3 |
| Toyota Motor Corporation | 28582 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Purdue Research Foundation | 3277 |
2 |
| Joma-Polytec GmbH | 45 |
2 |
| Magna Powertrain Inc. | 120 |
2 |
| Hanon Systems EFP Deutschland GmbH | 79 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Other owners | 30 |