- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02D - Controlling combustion engines
- F02D 29/04 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
Patent holdings for IPC class F02D 29/04
Total number of patents in this class: 456
10-year publication summary
|
33
|
37
|
20
|
29
|
15
|
18
|
10
|
14
|
3
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2762 |
78 |
| Komatsu Ltd. | 4751 |
57 |
| Illinois Tool Works Inc. | 11862 |
19 |
| HD Construction Equipment Co., Ltd., HD Hyundai Infracore Co., Ltd. | 231 |
16 |
| Doosan Infracore Co., Ltd. | 308 |
14 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
14 |
| Caterpillar Inc. | 10280 |
13 |
| Kobelco Construction Machinery Co., Ltd. | 1213 |
11 |
| Volvo Construction Equipment AB | 1222 |
11 |
| Sumitomo Heavy Industries, Ltd. | 2121 |
10 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 208 |
9 |
| Yanmar Co., Ltd. | 1339 |
7 |
| Nissan Motor Co., Ltd. | 13014 |
6 |
| Carrier Corporation | 3947 |
6 |
| Halliburton Energy Services, Inc. | 21309 |
5 |
| Toyota Industries Corporation | 1219 |
5 |
| Cummins Inc. | 2641 |
5 |
| KCM Corporation | 38 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12353 |
5 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3272 |
5 |
| Other owners | 155 |