- 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: 115
10-year publication summary
|
12
|
13
|
9
|
6
|
2
|
3
|
4
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9998 |
11 |
| Mazda Motor Corporation | 3244 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12605 |
6 |
| Honda Motor Co., Ltd. | 25773 |
4 |
| Toyota Motor Corporation | 33951 |
3 |
| Denso Corporation | 24983 |
3 |
| NGK Insulators, Ltd. | 5205 |
3 |
| BorgWarner Inc. | 2598 |
3 |
| IHI Corporation | 3497 |
3 |
| Isuzu Motors Limited | 2280 |
3 |
| WB Development Company, LLC | 19 |
3 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 802 |
3 |
| Hitachi Automotive Systems, Ltd. | 3954 |
2 |
| GM Global Technology Operations LLC | 15602 |
2 |
| Ford Global Technologies, LLC | 21095 |
2 |
| Nissan Motor Co., Ltd. | 12696 |
2 |
| Caterpillar Motoren GmbH & Co. KG | 130 |
2 |
| International Engine Intellectual Property Company, LLC | 470 |
2 |
| Kabushiki Kaisha Toyota Jidoshokki | 1793 |
2 |
| DENSO International America, Inc. | 630 |
1 |
| Other owners | 48 |