- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 77/04 - Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
Patent holdings for IPC class F02B 77/04
Total number of patents in this class: 232
10-year publication summary
|
21
|
35
|
44
|
21
|
32
|
15
|
13
|
6
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ATS Chemical, LLC | 17 |
14 |
| Flex Fuel - Energy Development | 33 |
9 |
| Honda Motor Co., Ltd. | 25192 |
7 |
| Ford Global Technologies, LLC | 20532 |
7 |
| The Lubrizol Corporation | 1284 |
7 |
| General Electric Company | 13762 |
6 |
| Cummins Inc. | 2575 |
6 |
| Illinois Tool Works Inc. | 11453 |
5 |
| Caterpillar Inc. | 9539 |
5 |
| ANDREAS STIHL AG & Co. KG | 824 |
5 |
| GM Global Technology Operations LLC | 15000 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12813 |
4 |
| Toyota Motor Corporation | 31903 |
3 |
| Pratt & Whitney Canada Corp. | 4722 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42549 |
3 |
| Hyundai Motor Company | 21938 |
3 |
| Mazda Motor Corporation | 3128 |
3 |
| BG Intellectuals, Inc. | 111 |
3 |
| CRC Industries, Inc. | 221 |
3 |
| MOC Products Company, Inc. | 43 |
3 |
| Other owners | 129 |