- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion engines in general
- F02B 77/11 - Thermal or acoustic insulation
Patent holdings for IPC class F02B 77/11
Total number of patents in this class: 278
10-year publication summary
|
30
|
33
|
34
|
46
|
24
|
29
|
15
|
6
|
10
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mazda Motor Corporation | 3087 |
20 |
| Toyota Motor Corporation | 28582 |
11 |
| Nichias Corporation | 386 |
11 |
| Honda Motor Co., Ltd. | 24537 |
10 |
| Isuzu Motors Limited | 2158 |
9 |
| Ford Global Technologies, LLC | 19702 |
8 |
| Reinz-Dichtungs-GmbH | 245 |
8 |
| Hyundai Motor Company | 19021 |
7 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
7 |
| Tenneco Inc | 274 |
6 |
| GM Global Technology Operations LLC | 13620 |
5 |
| NGK Insulators, Ltd. | 4589 |
5 |
| ElringKlinger AG | 487 |
5 |
| L International IP Holdings, LLC | 38 |
5 |
| Corning Incorporated | 9932 |
4 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
4 |
| Federal-Mogul Sealing Systems GmbH | 77 |
4 |
| Caterpillar Inc. | 8877 |
3 |
| Audi AG | 7153 |
3 |
| Fukai Seisakusho Co., Ltd. | 6 |
3 |
| Other owners | 140 |