- 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. | 8608 |
3 |
Pratt & Whitney Canada Corp. | 4501 |
2 |
Massachusetts Institute of Technology | 9975 |
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.) | 3049 |
2 |
Westport Fuel Systems Canada Inc. | 88 |
2 |
The Regents of the University of California | 19780 |
1 |
Caterpillar Inc. | 9417 |
1 |
Monsanto Technology LLC | 8025 |
1 |
Kawasaki Heavy Industries, Limited | 1613 |
1 |
National Institute of Advanced Industrial Science and Technology | 3775 |
1 |
Afton Chemical Corporation | 477 |
1 |
AVL List GmbH | 1277 |
1 |
Chiyoda Corporation | 392 |
1 |
Granitefuel Engineering Inc. | 21 |
1 |
Other owners | 22 |