- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 242
10-year publication summary
16
|
27
|
43
|
32
|
27
|
15
|
18
|
24
|
20
|
13
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
US Well Services LLC | 212 |
21 |
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 396 |
19 |
Hamilton Sundstrand Corporation | 4525 |
13 |
Rtx Corporation | 8674 |
11 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
9 |
Siemens AG | 24990 |
8 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
7 |
BJ Energy Solutions, LLC | 93 |
7 |
Rolls-Royce PLC | 2944 |
6 |
Miura Co., Ltd. | 287 |
6 |
Nuovo Pignone SRL | 204 |
6 |
Sanden Corporation | 859 |
6 |
General Electric Company | 18133 |
4 |
Echogen Power Systems, LLC | 63 |
4 |
Mitsubishi Heavy Industries Compressor Corporation | 613 |
4 |
Honeywell International Inc. | 13799 |
3 |
Pratt & Whitney Canada Corp. | 4215 |
3 |
Chiyoda Corporation | 363 |
3 |
Concepts Nrec, LLC | 58 |
3 |
Dresser-Rand Company | 233 |
3 |
Other owners | 96 |