- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 5/12 - Blades
Patent holdings for IPC class F01D 5/12
Total number of patents in this class: 510
10-year publication summary
|
107
|
49
|
26
|
35
|
27
|
18
|
13
|
10
|
10
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9851 |
95 |
| United Technologies Corporation | 2220 |
56 |
| General Electric Company | 13819 |
51 |
| Safran Aircraft Engines | 6532 |
27 |
| Rolls-Royce PLC | 3180 |
24 |
| Pratt & Whitney Canada Corp. | 5210 |
21 |
| GE Infrastructure Technology, LLC | 6213 |
18 |
| Siemens Energy, Inc. | 1694 |
17 |
| MTU Aero Engines AG | 712 |
9 |
| Mitsubishi Power, Ltd. | 1819 |
9 |
| Rolls-Royce Corporation | 1680 |
8 |
| Honeywell International Inc. | 12796 |
7 |
| Solar Turbines Incorporated | 504 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3244 |
7 |
| Siemens AG | 24236 |
6 |
| BorgWarner Inc. | 2577 |
5 |
| Invuity, Inc. | 148 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1133 |
5 |
| SNECMA S.A. | 1148 |
4 |
| Chromalloy Gas Turbine LLC | 75 |
3 |
| Other owners | 126 |