- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion 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: 513
10-year publication summary
|
24
|
57
|
40
|
42
|
37
|
51
|
78
|
73
|
68
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Innio Jenbacher GmbH & Co og | 236 |
35 |
| Caterpillar Inc. | 8877 |
33 |
| Ford Global Technologies, LLC | 19702 |
29 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
23 |
| Mitsubishi Jidosha Kogyo Kabushiki Kaisha | 1221 |
18 |
| Robert Bosch GmbH | 40953 |
17 |
| Cummins Inc. | 2369 |
17 |
| Denso Corporation | 23338 |
16 |
| Woodward, Inc. | 602 |
16 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
15 |
| Pratt & Whitney Canada Corp. | 4215 |
13 |
| Prometheus Applied Technologies, LLC | 24 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
12 |
| Caterpillar Energy Solutions GmbH | 132 |
12 |
| Saudi Arabian Oil Company | 11322 |
12 |
| Daimler AG | 3462 |
10 |
| Wartsila Finland Oy | 740 |
9 |
| Toyota Motor Corporation | 28582 |
7 |
| Mazda Motor Corporation | 3087 |
7 |
| AVL List GmbH | 1232 |
7 |
| Other owners | 192 |