- 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: 169
10-year publication summary
|
25
|
19
|
15
|
20
|
16
|
7
|
3
|
6
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5511 |
60 |
| Lontra Limited | 24 |
6 |
| Astron Aerospace LLC | 16 |
6 |
| FeTu Limited | 16 |
5 |
| Eaton Corporation | 1803 |
3 |
| Panasonic Corporation | 18951 |
3 |
| ING. ENEA MATTEI S.p.A. | 22 |
3 |
| FNF Innovation Sh.p.k. | 14 |
3 |
| Air Squared, LLC | 31 |
3 |
| Daikin Industries, Ltd. | 10511 |
2 |
| IP Consortium Limited | 7 |
2 |
| LiquidPiston, Inc. | 49 |
2 |
| Nabtesco Corporation | 860 |
2 |
| WB Development Company, LLC | 19 |
2 |
| Sunnyco Inc. | 2 |
2 |
| STASSINOPOULOU, Eirini | 3 |
2 |
| STASSINOPOULOU, Eleni | 3 |
2 |
| Schlumberger Canada Limited | 7609 |
1 |
| Schlumberger Technology B.v. | 5295 |
1 |
| Schlumberger Holdings Limited | 2690 |
1 |
| Other owners | 58 |