- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 43/02 - Engines characterised by means for increasing operating efficiency
Patent holdings for IPC class F02B 43/02
Total number of patents in this class: 57
10-year publication summary
|
5
|
7
|
4
|
5
|
2
|
3
|
2
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yanmar Power Technology Co., Ltd. | 580 |
5 |
| The Lubrizol Corporation | 1257 |
4 |
| Afton Chemical Corporation | 492 |
3 |
| Phillips 66 Company | 1049 |
3 |
| JCB Research | 32 |
3 |
| HPDI Technology Limited Partnership | 131 |
3 |
| Makita Corporation | 2518 |
2 |
| Liebherr Machines Bulle SA | 50 |
2 |
| Progress Rail Locomotive Inc. | 332 |
2 |
| Briggs & Stratton, LLC | 674 |
2 |
| Enexor Energy, LLC | 7 |
2 |
| Shell USA, Inc. | 1286 |
2 |
| Halliburton Energy Services, Inc. | 21194 |
1 |
| Toyota Motor Corporation | 34633 |
1 |
| GM Global Technology Operations LLC | 15817 |
1 |
| Caterpillar Inc. | 10132 |
1 |
| Chevron U.S.A. Inc. | 4081 |
1 |
| Kawasaki Heavy Industries, Limited | 1646 |
1 |
| Toyota Industries Corporation | 1191 |
1 |
| Adámas Nanotechnologies Inc. | 9 |
1 |
| Other owners | 16 |