- 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: 554
10-year publication summary
|
57
|
40
|
42
|
37
|
51
|
78
|
73
|
72
|
49
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innio Jenbacher GmbH & Co og | 259 |
40 |
| Caterpillar Inc. | 9417 |
34 |
| Ford Global Technologies, LLC | 20367 |
30 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1358 |
26 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 766 |
24 |
| Robert Bosch GmbH | 42354 |
18 |
| Cummins Inc. | 2544 |
17 |
| Denso Corporation | 24058 |
16 |
| Bayerische Motoren Werke Aktiengesellschaft | 14224 |
16 |
| Woodward, Inc. | 641 |
16 |
| Prometheus Applied Technologies, LLC | 28 |
14 |
| Saudi Arabian Oil Company | 12785 |
14 |
| Pratt & Whitney Canada Corp. | 4501 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8608 |
12 |
| Caterpillar Energy Solutions GmbH | 145 |
12 |
| Daimler AG | 3404 |
10 |
| Wartsila Finland Oy | 744 |
10 |
| AVL List GmbH | 1277 |
9 |
| Mercedes-Benz Group AG | 4845 |
8 |
| Toyota Motor Corporation | 31237 |
7 |
| Other owners | 208 |