- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 11/16 - Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing by self-adjusting means
Patent holdings for IPC class F01D 11/16
Total number of patents in this class: 88
10-year publication summary
|
12
|
11
|
12
|
7
|
13
|
12
|
3
|
4
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
27 |
| General Electric Company | 18133 |
13 |
| United Technologies Corporation | 2328 |
6 |
| GE Infrastructure Technology, LLC | 5873 |
6 |
| Siemens AG | 24990 |
5 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Rolls-Royce PLC | 2944 |
3 |
| Mitsubishi Hitachi Power Systems, Ltd. | 999 |
3 |
| Safran Aircraft Engines | 5739 |
3 |
| Siemens Energy, Inc. | 1770 |
2 |
| Doosan Heavy Industries & Construction Co., Ltd. | 604 |
2 |
| Rolls-Royce Corporation | 1686 |
2 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
2 |
| SNECMA S.A. | 1160 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| JPMorgan Chase Bank, National Association | 10964 |
1 |
| The United States of America as represented by the Secretary of the Air Force | 754 |
1 |
| Other owners | 4 |