- 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: 559
10-year publication summary
57
|
40
|
42
|
37
|
51
|
78
|
73
|
72
|
49
|
16
|
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 | 268 |
41 |
Caterpillar Inc. | 9548 |
35 |
Ford Global Technologies, LLC | 20570 |
30 |
Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1377 |
27 |
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 772 |
24 |
Robert Bosch GmbH | 42689 |
18 |
Cummins Inc. | 2577 |
18 |
Denso Corporation | 24282 |
16 |
Bayerische Motoren Werke Aktiengesellschaft | 14379 |
16 |
Woodward, Inc. | 645 |
16 |
Prometheus Applied Technologies, LLC | 28 |
14 |
Saudi Arabian Oil Company | 13155 |
14 |
Pratt & Whitney Canada Corp. | 4745 |
13 |
Mitsubishi Heavy Industries, Ltd. | 8715 |
12 |
Caterpillar Energy Solutions GmbH | 148 |
12 |
Daimler AG | 3390 |
10 |
Wartsila Finland Oy | 741 |
10 |
AVL List GmbH | 1292 |
9 |
Mercedes-Benz Group AG | 4892 |
8 |
Toyota Motor Corporation | 32116 |
7 |
Other owners | 209 |