- 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: 514
10-year publication summary
|
107
|
51
|
27
|
37
|
28
|
19
|
14
|
11
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
95 |
| United Technologies Corporation | 2220 |
56 |
| General Electric Company | 13899 |
53 |
| Safran Aircraft Engines | 6694 |
27 |
| Rolls-Royce PLC | 3221 |
24 |
| Pratt & Whitney Canada Corp. | 5479 |
21 |
| GE Infrastructure Technology, LLC | 6171 |
18 |
| Siemens Energy, Inc. | 1685 |
17 |
| MTU Aero Engines AG | 728 |
9 |
| Mitsubishi Power, Ltd. | 1833 |
9 |
| Rolls-Royce Corporation | 1677 |
8 |
| Honeywell International Inc. | 12778 |
7 |
| Solar Turbines Incorporated | 511 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3345 |
7 |
| Siemens AG | 24029 |
6 |
| BorgWarner Inc. | 2583 |
5 |
| Chromalloy Gas Turbine LLC | 79 |
5 |
| Invuity, Inc. | 145 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
5 |
| SNECMA S.A. | 1146 |
4 |
| Other owners | 126 |