- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 55/16 - Admission or exhaust passages in pistons or outer members
Patent holdings for IPC class F02B 55/16
Total number of patents in this class: 22
10-year publication summary
|
2
|
3
|
7
|
5
|
4
|
6
|
6
|
1
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4445 |
8 |
| LG Electronics Inc. | 71074 |
2 |
| WB Development Company, LLC | 20 |
2 |
| Duplicent, LLC | 43 |
2 |
| Huazhong University of Science and Technology | 995 |
1 |
| Lumenium LLC | 15 |
1 |
| Pratt & Whitney Rocketdyne, Inc. | 37 |
1 |
| Sine Waves, Inc. | 2 |
1 |
| Tulino Research & Partners Ltd | 10 |
1 |
| Gert-Willem Hartmans | 1 |
1 |
| Quest Engines, LLC | 31 |
1 |
| WILKINSON, Cassandra, L. | 1 |
1 |
| Other owners | 0 |