- All sections
- B - Performing operationstransporting
- B22C - Foundry moulding
- B22C 7/02 - Lost patterns
Patent holdings for IPC class B22C 7/02
Total number of patents in this class: 461
10-year publication summary
|
37
|
49
|
58
|
48
|
42
|
32
|
36
|
18
|
29
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9576 |
54 |
| Safran Aircraft Engines | 6384 |
41 |
| GE Infrastructure Technology, LLC | 6190 |
22 |
| General Electric Company | 13861 |
21 |
| Topgolf Callaway Brands Corp. | 2062 |
11 |
| Siemens AG | 24337 |
10 |
| SAFRAN S.A. | 631 |
9 |
| Siemens Energy, Inc. | 1703 |
9 |
| Hitchiner Manufacturing Co., Inc. | 25 |
9 |
| Metal Casting Technology, Inc. | 17 |
8 |
| Eishin Technology Company, Limited | 16 |
8 |
| Rolls-Royce PLC | 3141 |
7 |
| Chromalloy Gas Turbine LLC | 81 |
7 |
| Snecma | 1064 |
7 |
| SNECMA S.A. | 1148 |
6 |
| Canon Virginia, Inc. | 138 |
6 |
| Mikro Systems, Inc. | 56 |
6 |
| Taylor Made Golf Company, Inc. | 1286 |
6 |
| Siemens Energy Global GmbH & Co. KG | 3059 |
6 |
| Kaneka Corporation | 4605 |
5 |
| Other owners | 203 |