- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 19/12 - Engines characterised by precombustion chambers with positive ignition
Patent holdings for IPC class F02B 19/12
Total number of patents in this class: 578
10-year publication summary
|
40
|
42
|
37
|
51
|
78
|
73
|
72
|
50
|
22
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innio Jenbacher GmbH & Co og | 295 |
43 |
| Caterpillar Inc. | 10191 |
34 |
| Ford Global Technologies, LLC | 21339 |
30 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1516 |
27 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 813 |
25 |
| Robert Bosch GmbH | 43788 |
19 |
| Cummins Inc. | 2609 |
18 |
| Denso Corporation | 25361 |
16 |
| Bayerische Motoren Werke Aktiengesellschaft | 15102 |
16 |
| Woodward, Inc. | 667 |
16 |
| Prometheus Applied Technologies, LLC | 32 |
15 |
| Saudi Arabian Oil Company | 13956 |
14 |
| Pratt & Whitney Canada Corp. | 5356 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 9041 |
12 |
| Caterpillar Energy Solutions GmbH | 148 |
12 |
| Wartsila Finland Oy | 755 |
11 |
| Mercedes-Benz Group AG | 5479 |
11 |
| AVL List GmbH | 1326 |
9 |
| Daimler AG | 2873 |
8 |
| Toyota Motor Corporation | 34999 |
7 |
| Other owners | 222 |