- 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: 593
10-year publication summary
|
40
|
42
|
37
|
51
|
78
|
73
|
72
|
50
|
22
|
30
|
| 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 | 306 |
45 |
| Caterpillar Inc. | 10280 |
34 |
| Ford Global Technologies, LLC | 21560 |
30 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1544 |
28 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 847 |
25 |
| Robert Bosch GmbH | 44254 |
19 |
| Cummins Inc. | 2641 |
18 |
| Bayerische Motoren Werke Aktiengesellschaft | 15373 |
17 |
| Saudi Arabian Oil Company | 14305 |
17 |
| Denso Corporation | 25645 |
16 |
| Woodward, Inc. | 677 |
16 |
| Prometheus Applied Technologies, LLC | 32 |
15 |
| Pratt & Whitney Canada Corp. | 5517 |
13 |
| Caterpillar Energy Solutions GmbH | 151 |
13 |
| Wartsila Finland Oy | 754 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 9168 |
12 |
| Mercedes-Benz Group AG | 5594 |
11 |
| AVL List GmbH | 1330 |
10 |
| Daimler AG | 2811 |
8 |
| Aramco Services Company | 4192 |
8 |
| Other owners | 225 |