- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 23/00 - Other engines characterised by special shape or construction of combustion chambers to improve operation
Patent holdings for IPC class F02B 23/00
Total number of patents in this class: 114
10-year publication summary
|
12
|
13
|
9
|
6
|
2
|
3
|
4
|
2
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10267 |
12 |
| Mazda Motor Corporation | 3296 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
6 |
| Honda Motor Co., Ltd. | 26025 |
3 |
| Toyota Motor Corporation | 35772 |
3 |
| Denso Corporation | 25534 |
3 |
| NGK Insulators, Ltd. | 5236 |
3 |
| BorgWarner Inc. | 2583 |
3 |
| IHI Corporation | 3535 |
3 |
| Isuzu Motors Limited | 2323 |
3 |
| WB Development Company, LLC | 19 |
3 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 825 |
3 |
| Hitachi Automotive Systems, Ltd. | 3954 |
2 |
| GM Global Technology Operations LLC | 16124 |
2 |
| Ford Global Technologies, LLC | 21509 |
2 |
| Nissan Motor Co., Ltd. | 12964 |
2 |
| Caterpillar Motoren GmbH & Co. KG | 130 |
2 |
| International Engine Intellectual Property Company, LLC | 452 |
2 |
| Kabushiki Kaisha Toyota Jidoshokki | 1811 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
1 |
| Other owners | 47 |