- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion 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: 235
10-year publication summary
|
29
|
21
|
35
|
44
|
21
|
31
|
14
|
13
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ATS Chemical, LLC | 12 |
12 |
| Ford Global Technologies, LLC | 19702 |
9 |
| Flex Fuel - Energy Development | 33 |
9 |
| Honda Motor Co., Ltd. | 24537 |
7 |
| ANDREAS STIHL AG & Co. KG | 818 |
7 |
| The Lubrizol Corporation | 1335 |
7 |
| General Electric Company | 18133 |
6 |
| Cummins Inc. | 2369 |
6 |
| Illinois Tool Works Inc. | 11152 |
5 |
| Caterpillar Inc. | 8877 |
5 |
| Toyota Motor Corporation | 28582 |
4 |
| GM Global Technology Operations LLC | 13620 |
4 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
3 |
| Hyundai Motor Company | 19021 |
3 |
| Mazda Motor Corporation | 3087 |
3 |
| CRC Industries, Inc. | 220 |
3 |
| MOC Products Company, Inc. | 43 |
3 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
3 |
| TUNAP GmbH & Co. KG | 61 |
3 |
| Other owners | 129 |