- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 25/04 - Antivibration arrangements
Patent holdings for IPC class F01D 25/04
Total number of patents in this class: 451
10-year publication summary
46
|
62
|
52
|
51
|
32
|
52
|
20
|
29
|
26
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Rtx Corporation | 8674 |
82 |
General Electric Company | 18133 |
54 |
Pratt & Whitney Canada Corp. | 4215 |
43 |
Safran Aircraft Engines | 5739 |
43 |
GE Infrastructure Technology, LLC | 5873 |
18 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
United Technologies Corporation | 2328 |
11 |
SNECMA S.A. | 1160 |
10 |
Rohr, Inc. | 653 |
9 |
Rolls-Royce PLC | 2944 |
8 |
IHI Corporation | 3268 |
8 |
Rolls-Royce Corporation | 1686 |
8 |
JPMorgan Chase Bank, National Association | 10964 |
7 |
Siemens AG | 24990 |
6 |
Hamilton Sundstrand Corporation | 4525 |
6 |
MTU Aero Engines AG | 622 |
6 |
Rolls-Royce North American Technologies, Inc. | 1079 |
6 |
The Boeing Company | 19843 |
5 |
Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
5 |
Rolls-Royce Deutschland Ltd & Co KG | 765 |
4 |
Other owners | 101 |