- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 9/02 - Sand moulds or like moulds for shaped castings
Patent holdings for IPC class B22C 9/02
Total number of patents in this class: 602
10-year publication summary
65
|
77
|
58
|
75
|
51
|
38
|
51
|
45
|
35
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sintokogio, Ltd. | 1148 |
42 |
ASK Chemicals GmbH | 122 |
22 |
Nevis Industries LLC | 63 |
20 |
Rtx Corporation | 8674 |
18 |
General Electric Company | 18133 |
17 |
Bedloe Industries LLC | 71 |
17 |
Hüttenes-Albertus Chemische Werke GmbH | 150 |
12 |
Asahi Yukizai Corporation | 121 |
11 |
GM Global Technology Operations LLC | 13620 |
10 |
Kao Corporation | 4843 |
10 |
ASK Chemicals LLC | 110 |
10 |
Advanced Manufacture Technology Center, China Academy Of Machinery Science & Technology | 47 |
9 |
Asahi Organic Chemicals Industry Co., Ltd. | 97 |
9 |
Nanjing University of Aeronautics and Astronautics | 360 |
8 |
Hitachi Metals, Ltd. | 2175 |
7 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
7 |
Fisher Controls International LLC | 1520 |
7 |
Foseco International Limited | 204 |
7 |
Toyota Motor Corporation | 28582 |
6 |
Amsted Rail Company, Inc. | 432 |
6 |
Other owners | 347 |