- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 53/02 - Methods of operating
Patent holdings for IPC class F02B 53/02
Total number of patents in this class: 119
10-year publication summary
|
15
|
23
|
21
|
9
|
17
|
18
|
7
|
6
|
9
|
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. | 5506 |
59 |
| Astron Aerospace LLC | 16 |
9 |
| Korona Group Ltd. | 8 |
4 |
| LG Electronics Inc. | 75818 |
3 |
| LiquidPiston, Inc. | 49 |
3 |
| Lonati S.p.A. | 86 |
2 |
| Planetary Rotor Engine Company | 4 |
2 |
| FeTu Limited | 16 |
2 |
| Rotary Research Group LLC | 2 |
2 |
| Shaanxi Xin Nian Power Technology Group Co., Ltd. | 2 |
2 |
| The United States of America as represented by the Secretary of the Navy | 2860 |
1 |
| Mazda Motor Corporation | 3297 |
1 |
| General Atomics Aeronautical Systems, Inc. | 209 |
1 |
| Global Energy Research Associates, LLC | 7 |
1 |
| HCRI Technologies International, LLC | 3 |
1 |
| Hughston, Boots Rolf, Ttee | 1 |
1 |
| International Composting Corporation | 1 |
1 |
| Jiangsu University | 1167 |
1 |
| Lontra Limited | 24 |
1 |
| Otechos AS | 9 |
1 |
| Other owners | 21 |