- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 27/20 - Measures not previously mentioned for influencing the grain structure or textureSelection of compositions therefor
Patent holdings for IPC class B22D 27/20
Total number of patents in this class: 124
10-year publication summary
13
|
13
|
10
|
5
|
9
|
5
|
6
|
2
|
2
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Light Metal Company, Ltd. | 654 |
6 |
Safran Aircraft Engines | 6084 |
5 |
Akebono Brake Industry Co., Ltd. | 362 |
4 |
Mitsubishi Shindoh Co., Ltd. | 129 |
4 |
Southwire Company, LLC | 780 |
4 |
Toshiba Kikai Kabushiki Kaisha | 295 |
4 |
I2c Co., Ltd. | 6 |
4 |
General Electric Company | 17793 |
3 |
Mitsubishi Electric Corporation | 45024 |
3 |
Ferropem | 16 |
3 |
IHI Corporation | 3370 |
3 |
Sintokogio, Ltd. | 1171 |
3 |
Tohoku University | 2700 |
3 |
UACJ Corporation | 665 |
3 |
Apple Inc. | 53121 |
2 |
Rolls-Royce PLC | 3005 |
2 |
Showa Denko K.K. | 2324 |
2 |
Crucible Intellectual Property, LLC | 91 |
2 |
Fujiwa Denki Co., Ltd. | 47 |
2 |
Kabushiki Kaisha Riken | 275 |
2 |
Other owners | 60 |