- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/047 - Bearings hydrostaticBearings hydrodynamic
Patent holdings for IPC class F04D 29/047
Total number of patents in this class: 261
10-year publication summary
|
28
|
29
|
33
|
27
|
29
|
15
|
15
|
7
|
13
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tc1 LLC | 633 |
15 |
| Sulzer Management AG | 660 |
14 |
| Halliburton Energy Services, Inc. | 20879 |
11 |
| NTN Corporation | 4978 |
7 |
| Robert Bosch GmbH | 42674 |
6 |
| Grundfos Holding A/S | 556 |
6 |
| Luraco Health and Beauty, LLC. | 8 |
6 |
| Baker Hughes Holdings LLC | 3007 |
6 |
| Boston Scientific Scimed, Inc. | 10250 |
5 |
| Terumo Kabushiki Kaisha | 5525 |
5 |
| Nidec GPM GmbH | 140 |
5 |
| Pyrotek, Inc. | 201 |
5 |
| General Electric Company | 13767 |
4 |
| Schlumberger Technology Corporation | 10705 |
4 |
| Flowserve Management Company | 195 |
4 |
| Ruhrpumpen GmbH | 22 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8712 |
3 |
| Assoma Inc. | 12 |
3 |
| Energy Recovery, Inc. | 176 |
3 |
| Pierburg Pump Technology GmbH | 323 |
3 |
| Other owners | 142 |