- All sections
- B - Performing operations; transporting
- B23C - Milling
- B23C 3/18 - Working surfaces curved in two directions for shaping screw-propellers, turbine blades, or impellers
Patent holdings for IPC class B23C 3/18
Total number of patents in this class: 126
10-year publication summary
|
12
|
13
|
7
|
8
|
10
|
8
|
11
|
4
|
4
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Snecma | 1065 |
11 |
| SNECMA S.A. | 1160 |
9 |
| FANUC Corporation | 5803 |
7 |
| Rtx Corporation | 8674 |
6 |
| Safran Aircraft Engines | 5739 |
5 |
| MTU Aero Engines GmbH | 565 |
4 |
| Siemens AG | 24990 |
3 |
| Daikin Industries, Ltd. | 9495 |
3 |
| Chiron-Werke GmbH & Co. KG | 42 |
3 |
| Dalian University of Technology | 1387 |
3 |
| Exergy S.p.A. | 25 |
3 |
| IHI Corporation | 3268 |
3 |
| Lufthansa Technik AG | 468 |
3 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
3 |
| GE Infrastructure Technology, LLC | 5873 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| United Technologies Corporation | 2328 |
2 |
| Autodesk, Inc. | 1503 |
2 |
| Ceratizit Austria Gesellschaft mbH | 118 |
2 |
| Other owners | 46 |