- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 15/00 - Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
Patent holdings for IPC class F01D 15/00
Total number of patents in this class: 144
10-year publication summary
|
8
|
20
|
16
|
11
|
20
|
8
|
14
|
13
|
15
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
8 |
| General Electric Company | 18133 |
7 |
| Typhon Technology Solutions (U.S.), LLC | 78 |
7 |
| Siemens AG | 24990 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
3 |
| Hyalta Aeronautics, Inc. | 15 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
3 |
| Typhon Technology Solutions, LLC | 53 |
3 |
| Aerostar International, LLC | 156 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Nitto Denko Corporation | 7879 |
2 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Kawasaki Heavy Industries, Limited | 1524 |
2 |
| Azbil Corporation | 486 |
2 |
| Beaudoin, Normand | 3 |
2 |
| Other owners | 77 |