- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 53/08 - Charging, e.g. by means of rotary-piston pump
Patent holdings for IPC class F02B 53/08
Total number of patents in this class: 38
10-year publication summary
|
4
|
4
|
7
|
3
|
7
|
4
|
3
|
1
|
0
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4602 |
20 |
| Astron Aerospace LLC | 14 |
5 |
| WB Development Company, LLC | 20 |
2 |
| Shaanxi Xin Nian Power Technology Group Co., Ltd. | 2 |
2 |
| Gpouer Co., Ltd. | 4 |
1 |
| Hughston, Boots Rolf, Ttee | 1 |
1 |
| Jiangsu University | 1092 |
1 |
| National Chung Shan Institute of Science and Technology | 353 |
1 |
| Pratt & Whitney Rocketdyne, Inc. | 37 |
1 |
| Quality Manufacturing Inc. | 13 |
1 |
| Constant Velocity Design LLC | 2 |
1 |
| Jiangxi University of Science and Technology | 62 |
1 |
| Rtx Corporation | 9297 |
1 |
| Other owners | 0 |