- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 25/08 - Engines with oppositely-moving reciprocating working pistons
Patent holdings for IPC class F02B 25/08
Total number of patents in this class: 125
10-year publication summary
|
18
|
13
|
12
|
7
|
7
|
5
|
5
|
4
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Atomics Aeronautical Systems, Inc. | 209 |
44 |
| Achates Power, Inc. | 91 |
23 |
| Pinnacle Engines, Inc. | 35 |
10 |
| Mainspring Energy, Inc. | 118 |
9 |
| Volvo Truck Corporation | 3842 |
6 |
| Cox Powertrain Ltd | 41 |
4 |
| Fairbanks Morse, LLC | 21 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
2 |
| Eaton Corporation | 1806 |
2 |
| Innengine, S.L. | 3 |
2 |
| LiquidPiston, Inc. | 51 |
2 |
| Scalzo Automotive Research Pty Ltd | 5 |
2 |
| Honda Motor Co., Ltd. | 25903 |
1 |
| Ford Global Technologies, LLC | 21339 |
1 |
| Yamaha Motor Co., Ltd. | 2827 |
1 |
| Clear Energy Systems, Inc. | 3 |
1 |
| Cummins Inc. | 2609 |
1 |
| Heatgen Limited | 2 |
1 |
| HTS, LLC | 23 |
1 |
| OSP Engines Limited | 5 |
1 |
| Other owners | 8 |