- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 21/00 - Flasks; Accessories therefor
Patent holdings for IPC class B22C 21/00
Total number of patents in this class: 17
10-year publication summary
|
1
|
3
|
1
|
2
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunter Foundry Machinery Corporation | 20 |
2 |
| Sintokogio, Ltd. | 1148 |
2 |
| SNECMA S.A. | 1160 |
1 |
| Americarb, Inc. | 4 |
1 |
| Amsted Rail Company, Inc. | 432 |
1 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
1 |
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 730 |
1 |
| Fritz Winter Eisengiesserei GmbH & Co. KG | 41 |
1 |
| Hüttenes-Albertus Chemische Werke GmbH | 150 |
1 |
| Imerys USA, Inc. | 135 |
1 |
| Nevis Industries LLC | 63 |
1 |
| Sika Technology AG | 2650 |
1 |
| Technische Universitat Clausthal | 32 |
1 |
| Huppert Engineering GmbH & Co. KG | 1 |
1 |
| Snecma | 1065 |
1 |
| Other owners | 0 |