- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 77/13 - Acoustic insulation
Patent holdings for IPC class F02B 77/13
Total number of patents in this class: 243
10-year publication summary
|
15
|
21
|
22
|
19
|
12
|
9
|
11
|
7
|
11
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichias Corporation | 403 |
14 |
| Sumitomo Riko Company Limited | 1152 |
12 |
| Hyundai Motor Company | 24787 |
9 |
| Mazda Motor Corporation | 3301 |
9 |
| Honda Motor Co., Ltd. | 26090 |
8 |
| Toyota Motor Corporation | 35906 |
7 |
| Ford Global Technologies, LLC | 21555 |
7 |
| Yanmar Co., Ltd. | 1343 |
7 |
| Adler Pelzer Holding GmbH | 92 |
7 |
| Tokai Chemical Industries, Ltd. | 61 |
5 |
| Wuxi Kipor Power Co., Ltd. | 83 |
5 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 843 |
5 |
| Cummins Power Generation IP, Inc. | 332 |
4 |
| Robert Bosch GmbH | 44238 |
3 |
| GM Global Technology Operations LLC | 16174 |
3 |
| Nissan Motor Co., Ltd. | 12994 |
3 |
| Polaris Industries Inc. | 2316 |
3 |
| Tokai Rubber Industries, Ltd. | 162 |
3 |
| Wartsila Finland Oy | 754 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12376 |
3 |
| Other owners | 123 |