- 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: 603
10-year publication summary
|
40
|
42
|
37
|
51
|
78
|
73
|
72
|
50
|
22
|
41
|
| 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 | 317 |
48 |
| Caterpillar Inc. | 10391 |
34 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1605 |
31 |
| Ford Global Technologies, LLC | 21686 |
30 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 860 |
26 |
| Robert Bosch GmbH | 44459 |
19 |
| Cummins Inc. | 2683 |
18 |
| Bayerische Motoren Werke Aktiengesellschaft | 15584 |
17 |
| Saudi Arabian Oil Company | 14469 |
17 |
| Denso Corporation | 26008 |
16 |
| Woodward, Inc. | 680 |
16 |
| Prometheus Applied Technologies, LLC | 33 |
15 |
| Pratt & Whitney Canada Corp. | 5656 |
13 |
| Caterpillar Energy Solutions GmbH | 152 |
13 |
| Wartsila Finland Oy | 758 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 9295 |
12 |
| Mercedes-Benz Group AG | 5655 |
11 |
| AVL List GmbH | 1333 |
10 |
| Daimler AG | 2779 |
8 |
| Aramco Services Company | 4189 |
8 |
| Other owners | 228 |