- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 11/00 - Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
Patent holdings for IPC class F01C 11/00
Total number of patents in this class: 174
10-year publication summary
|
25
|
25
|
19
|
14
|
18
|
14
|
5
|
3
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4818 |
60 |
| Lontra Limited | 25 |
7 |
| FeTu Limited | 16 |
5 |
| Astron Aerospace LLC | 14 |
5 |
| Eaton Corporation | 1815 |
3 |
| Panasonic Corporation | 20042 |
3 |
| Air Squared, Inc. | 26 |
3 |
| ING. ENEA MATTEI S.p.A. | 16 |
3 |
| LiquidPiston, Inc. | 49 |
3 |
| Daikin Industries, Ltd. | 10071 |
2 |
| INGERSOLL Rand International Limited | 5 |
2 |
| IP Consortium Limited | 7 |
2 |
| Nabtesco Corporation | 886 |
2 |
| WB Development Company, LLC | 20 |
2 |
| Sunnyco Inc. | 2 |
2 |
| SETH, Chandan, Kumar | 5 |
2 |
| Schlumberger Canada Limited | 7366 |
1 |
| Schlumberger Technology B.v. | 5183 |
1 |
| Schlumberger Holdings Limited | 2803 |
1 |
| Honda Motor Co., Ltd. | 25499 |
1 |
| Other owners | 64 |