- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 9/20 - Stack moulds, i.e. arrangement of multiple moulds or flasks
Patent holdings for IPC class B22C 9/20
Total number of patents in this class: 32
10-year publication summary
4
|
1
|
5
|
1
|
2
|
2
|
2
|
5
|
0
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sintokogio, Ltd. | 1148 |
4 |
Disa Industries A/S | 40 |
4 |
Point Engineering Co., Ltd. | 239 |
2 |
Safran Aircraft Engines | 5739 |
2 |
Rtx Corporation | 8674 |
2 |
SNECMA S.A. | 1160 |
1 |
Toyota Motor Corporation | 28582 |
1 |
Deere & Company | 6845 |
1 |
Panasonic Corporation | 20786 |
1 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
1 |
Brown Shoe Company, Inc. | 15 |
1 |
Consolidated Nuclear Security, LLC | 124 |
1 |
Fujiwa Denki Co., Ltd. | 47 |
1 |
Hüttenes-Albertus Chemische Werke GmbH | 150 |
1 |
L.E. Jones Company, LLC | 16 |
1 |
Loramendi, S. Coop | 32 |
1 |
Materion Corporation | 293 |
1 |
Societe Muller & Cie | 18 |
1 |
The Swatch Group Research and Development Ltd | 778 |
1 |
Waupaca Foundry, Inc. | 6 |
1 |
Other owners | 3 |