- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/18 - Rotary-piston machines or engines of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with similar tooth forms
Patent holdings for IPC class F01C 1/18
Total number of patents in this class: 81
10-year publication summary
|
5
|
9
|
5
|
0
|
2
|
2
|
4
|
1
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Corporation | 1804 |
4 |
| GM Global Technology Operations LLC | 16124 |
4 |
| Hamilton Sundstrand Corporation | 5015 |
4 |
| Robert Bosch GmbH | 44160 |
3 |
| Toyota Industries Corporation | 1209 |
3 |
| DEKA Products Limited Partnership | 1886 |
3 |
| Liung Feng Industrial Co., Ltd. | 5 |
3 |
| Project Phoenix, LLC | 55 |
3 |
| PSG Worldwide, Inc. | 20 |
3 |
| Eaton Intelligent Power Limited | 6243 |
3 |
| PSG California LLC | 72 |
3 |
| Exponential Technologies, Inc. | 33 |
2 |
| Gpouer Co., Ltd. | 3 |
2 |
| I.v.a.r. S.p.A. | 73 |
2 |
| Deere & Company | 8097 |
1 |
| Hitachi, Ltd. | 16094 |
1 |
| Caterpillar Inc. | 10267 |
1 |
| Purdue Research Foundation | 3916 |
1 |
| Alfa Laval Corporate AB | 1337 |
1 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
1 |
| Other owners | 33 |