- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 13/10 - Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
Patent holdings for IPC class F04D 13/10
Total number of patents in this class: 1073
10-year publication summary
|
111
|
91
|
93
|
79
|
75
|
109
|
67
|
63
|
66
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20901 |
179 |
| Schlumberger Technology Corporation | 10727 |
97 |
| Baker Hughes Oilfield Operations, LLC | 2305 |
83 |
| Schlumberger Canada Limited | 7296 |
76 |
| Services Petroliers Schlumberger | 5787 |
68 |
| Schlumberger Technology B.v. | 5165 |
65 |
| Baker Hughes Holdings LLC | 3006 |
50 |
| Saudi Arabian Oil Company | 13185 |
46 |
| Baker Hughes Incorporated | 5241 |
39 |
| Baker Hughes, a GE Company, LLC | 2112 |
37 |
| Sensia LLC | 142 |
19 |
| Upwing Energy, Inc. | 50 |
19 |
| GE Oil & Gas ESP, Inc. | 82 |
17 |
| Baker Hughes ESP, Inc. | 68 |
15 |
| Schlumberger Holdings Limited | 2822 |
12 |
| Upwing Energy LLC | 40 |
11 |
| Aramco Services Company | 3976 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
8 |
| National Oilwell Varco, L.P. | 1669 |
8 |
| Prad Research and Development Limited | 2693 |
8 |
| Other owners | 207 |