- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 13/08 - Units comprising pumps and their driving means the pump being electrically driven for submerged use
Patent holdings for IPC class F04D 13/08
Total number of patents in this class: 1155
10-year publication summary
|
135
|
99
|
118
|
108
|
122
|
103
|
86
|
93
|
96
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
69 |
| Baker Hughes Incorporated | 5689 |
46 |
| Schlumberger Technology Corporation | 9690 |
43 |
| Saudi Arabian Oil Company | 11322 |
35 |
| Schlumberger Canada Limited | 6913 |
33 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
30 |
| Services Petroliers Schlumberger | 5426 |
29 |
| Schlumberger Technology B.v. | 4951 |
28 |
| Baker Hughes Holdings LLC | 3060 |
27 |
| Ebara Corporation | 1951 |
26 |
| Sulzer Management AG | 613 |
18 |
| Xylem Europe GmbH | 204 |
18 |
| Husqvarna AB | 2824 |
17 |
| Baker Hughes, a GE Company, LLC | 2171 |
15 |
| GE Oil & Gas ESP, Inc. | 86 |
14 |
| General Electric Company | 18133 |
12 |
| Aker Subsea AS | 130 |
11 |
| OneSubsea IP UK Limited | 378 |
11 |
| FMC Technologies, Inc. | 603 |
10 |
| Upwing Energy, Inc. | 49 |
10 |
| Other owners | 653 |