- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 7/02 - Lost patterns
Patent holdings for IPC class B22C 7/02
Total number of patents in this class: 452
10-year publication summary
|
49
|
36
|
50
|
61
|
49
|
46
|
31
|
39
|
19
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
52 |
| Safran Aircraft Engines | 5739 |
37 |
| GE Infrastructure Technology, LLC | 5873 |
22 |
| General Electric Company | 18133 |
20 |
| Hitchiner Manufacturing Co., Inc. | 28 |
12 |
| Siemens AG | 24990 |
11 |
| Siemens Energy, Inc. | 1770 |
9 |
| Topgolf Callaway Brands Corp. | 1843 |
9 |
| Metal Casting Technology, Inc. | 21 |
8 |
| Eishin Technology Company, Limited | 14 |
8 |
| SAFRAN S.A. | 518 |
7 |
| Snecma | 1065 |
7 |
| SNECMA S.A. | 1160 |
6 |
| Rolls-Royce PLC | 2944 |
6 |
| Kaneka Corporation | 4445 |
6 |
| Canon Virginia, Inc. | 111 |
6 |
| Mikro Systems, Inc. | 56 |
6 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
6 |
| 3m Innovative Properties Company | 18406 |
4 |
| Honeywell International Inc. | 13799 |
4 |
| Other owners | 206 |