- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 37/22 - Control of the pumps by varying the cross-section of exhaust passages or air passages
Patent holdings for IPC class F02B 37/22
Total number of patents in this class: 498
10-year publication summary
|
46
|
56
|
46
|
63
|
46
|
24
|
21
|
12
|
15
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BorgWarner Inc. | 2611 |
77 |
| Ford Global Technologies, LLC | 20367 |
25 |
| Mitsubishi Heavy Industries, Ltd. | 8608 |
21 |
| Daimler AG | 3404 |
19 |
| JPMorgan Chase Bank, National Association | 8518 |
18 |
| Cummins Ltd. | 194 |
14 |
| IHI Corporation | 3396 |
14 |
| Toyota Motor Corporation | 31237 |
13 |
| Volvo Truck Corporation | 3259 |
12 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 766 |
12 |
| GM Global Technology Operations LLC | 14816 |
11 |
| Caterpillar Inc. | 9417 |
9 |
| Continental Automotive GmbH | 5026 |
9 |
| Bright Acceleration Technologies LLC | 13 |
9 |
| Volkswagen AG | 7305 |
8 |
| Hyundai Motor Company | 21406 |
7 |
| Komatsu Ltd. | 4492 |
7 |
| Mazda Motor Corporation | 3099 |
7 |
| Cummins Turbo Technologies Limited | 107 |
7 |
| KeyYang Precision Co., Ltd | 20 |
7 |
| Other owners | 192 |