- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof
- F02M 61/20 - Closing valves mechanically, e.g. arrangements of springs or weights
Patent holdings for IPC class F02M 61/20
Total number of patents in this class: 240
10-year publication summary
|
35
|
18
|
14
|
16
|
12
|
8
|
6
|
7
|
7
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44398 |
50 |
| Continental Automotive GmbH | 4409 |
19 |
| Caterpillar Inc. | 10343 |
16 |
| Vitesco Technologies GmbH | 2396 |
16 |
| Hitachi Astemo, Ltd. | 6434 |
13 |
| Hyundai Heavy Industries Co., Ltd. | 269 |
11 |
| Delphi Technologies IP Limited | 289 |
10 |
| Hoerbiger Wien GmbH | 139 |
8 |
| PHINIA Jersey Holdings LLC | 369 |
8 |
| Phinia Holdings Jersey Ltd | 296 |
8 |
| Denso Corporation | 25820 |
4 |
| Delphi France SAS | 99 |
4 |
| Wartsila Finland Oy | 758 |
4 |
| Cummins Inc. | 2663 |
3 |
| Marelli Europe S.p.A. | 218 |
3 |
| Mitsubishi Electric Corporation | 48460 |
2 |
| Progress Rail Services Corp | 217 |
2 |
| Kyocera Corporation | 14502 |
2 |
| Delphi Technologies Holding S.arl | 55 |
2 |
| Stanadyne LLC | 21 |
2 |
| Other owners | 53 |