- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 43/04 - Engines characterised by means for increasing operating efficiency for improving efficiency of combustion
Patent holdings for IPC class F02B 43/04
Total number of patents in this class: 58
10-year publication summary
|
13
|
7
|
6
|
10
|
3
|
2
|
3
|
1
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yanmar Power Technology Co., Ltd. | 577 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8616 |
3 |
| Pratt & Whitney Canada Corp. | 4518 |
2 |
| Massachusetts Institute of Technology | 9984 |
2 |
| Martinrea International Inc. | 28 |
2 |
| Sonex Research, Inc. | 4 |
2 |
| Svmtech, LLC | 17 |
2 |
| Woodward, Inc. | 641 |
2 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 766 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3050 |
2 |
| Westport Fuel Systems Canada Inc. | 88 |
2 |
| The Regents of the University of California | 19784 |
1 |
| Caterpillar Inc. | 9424 |
1 |
| Monsanto Technology LLC | 8062 |
1 |
| Kawasaki Heavy Industries, Limited | 1615 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3780 |
1 |
| Afton Chemical Corporation | 477 |
1 |
| AVL List GmbH | 1279 |
1 |
| Chiyoda Corporation | 392 |
1 |
| Granitefuel Engineering Inc. | 21 |
1 |
| Other owners | 22 |