- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 11/10 - Preventing or minimising internal leakage of working fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
Patent holdings for IPC class F01D 11/10
Total number of patents in this class: 101
10-year publication summary
4
|
6
|
19
|
11
|
16
|
5
|
4
|
5
|
2
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
General Electric Company | 18133 |
14 |
Rtx Corporation | 8674 |
12 |
Rolls-Royce PLC | 2944 |
6 |
Rolls-Royce North American Technologies, Inc. | 1079 |
6 |
GE Infrastructure Technology, LLC | 5873 |
6 |
Mitsubishi Power, Ltd. | 1680 |
5 |
Siemens AG | 24990 |
3 |
Rolls-Royce Corporation | 1686 |
3 |
Safran Aircraft Engines | 5739 |
3 |
Siemens Energy Global GmbH & Co. KG | 2775 |
3 |
Honeywell International Inc. | 13799 |
2 |
United Technologies Corporation | 2328 |
2 |
Pratt & Whitney Canada Corp. | 4215 |
2 |
Cummins Ltd. | 178 |
2 |
EagleBurgmann Germany GmbH & Co. KG | 314 |
2 |
Mitsubishi Hitachi Power Systems, Ltd. | 999 |
2 |
Turboden SpA | 54 |
2 |
Alstom Technology Ltd | 1196 |
1 |
ABB Turbo Systems AG | 110 |
1 |
University of Florida Research Foundation, Inc. | 3883 |
1 |
Other owners | 23 |