- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01D - Non-positive-displacement machines or engines, e.g. steam turbines
- F01D 15/08 - Adaptations for driving, or combinations with, pumps
Patent holdings for IPC class F01D 15/08
Total number of patents in this class: 285
10-year publication summary
|
43
|
32
|
27
|
15
|
19
|
24
|
23
|
24
|
22
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| US Well Services LLC | 225 |
25 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 491 |
20 |
| Rtx Corporation | 10199 |
18 |
| Hamilton Sundstrand Corporation | 5013 |
13 |
| Nuovo Pignone Tecnologie S.r.l. | 1231 |
12 |
| Siemens AG | 23913 |
8 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 235 |
8 |
| BJ Energy Solutions, LLC | 100 |
8 |
| General Electric Company | 13999 |
7 |
| Pratt & Whitney Canada Corp. | 5584 |
7 |
| Rolls-Royce PLC | 3229 |
6 |
| Miura Co., Ltd. | 286 |
6 |
| Nuovo Pignone SRL | 233 |
6 |
| Sanden Corporation | 1055 |
6 |
| Echogen Power Systems, LLC | 63 |
4 |
| Mitsubishi Heavy Industries Compressor Corporation | 650 |
4 |
| Signal Power Group Operating LLC | 13 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 9231 |
3 |
| Chiyoda Corporation | 433 |
3 |
| Concepts Nrec, LLC | 56 |
3 |
| Other owners | 114 |