- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F02B - Internal-combustion piston engines; combustion engines in general
- F02B 77/13 - Acoustic insulation
Patent holdings for IPC class F02B 77/13
Total number of patents in this class: 231
10-year publication summary
22
|
23
|
15
|
21
|
22
|
19
|
12
|
8
|
11
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nichias Corporation | 386 |
14 |
Sumitomo Riko Company Limited | 962 |
12 |
Honda Motor Co., Ltd. | 24537 |
10 |
Hyundai Motor Company | 19021 |
9 |
Mazda Motor Corporation | 3087 |
9 |
Toyota Motor Corporation | 28582 |
7 |
Ford Global Technologies, LLC | 19702 |
7 |
Yanmar Co., Ltd. | 1479 |
7 |
Adler Pelzer Holding GmbH | 93 |
6 |
Tokai Chemical Industries, Ltd. | 48 |
5 |
Wuxi Kipor Power Co., Ltd. | 100 |
5 |
Cummins Power Generation IP, Inc. | 261 |
4 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
4 |
Robert Bosch GmbH | 40953 |
3 |
GM Global Technology Operations LLC | 13620 |
3 |
ZF Friedrichshafen AG | 6820 |
3 |
Peugeot Citroen Automobiles SA | 1903 |
3 |
Tokai Rubber Industries, Ltd. | 163 |
3 |
Wartsila Finland Oy | 740 |
3 |
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
3 |
Other owners | 111 |