- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 21/06 - Shutting-down
Patent holdings for IPC class F01D 21/06
Total number of patents in this class: 46
10-year publication summary
|
3
|
4
|
7
|
7
|
5
|
4
|
4
|
0
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 4215 |
13 |
| Rolls-Royce PLC | 2944 |
6 |
| Safran Aircraft Engines | 5739 |
5 |
| Rolls-Royce Deutschland Ltd & Co KG | 765 |
3 |
| General Electric Company | 18133 |
2 |
| Rtx Corporation | 8674 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Siemens AG | 24990 |
1 |
| SNECMA S.A. | 1160 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Airbus Helicopters | 984 |
1 |
| Siemens Energy, Inc. | 1770 |
1 |
| GE Avio S.r.l. | 223 |
1 |
| ITAL Research & Innovation S.R.L. | 1 |
1 |
| MTU Aero Engines AG | 622 |
1 |
| MTU Aero Engines GmbH | 565 |
1 |
| Nuovo Pignone S.p.A. | 96 |
1 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
1 |
| GE Infrastructure Technology, LLC | 5873 |
1 |
| Other owners | 1 |