- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/047 - Bearings hydrodynamic
Patent holdings for IPC class F04D 29/047
Total number of patents in this class: 254
10-year publication summary
|
14
|
28
|
29
|
33
|
27
|
29
|
14
|
14
|
5
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tc1 LLC | 591 |
19 |
| Sulzer Management AG | 613 |
14 |
| Halliburton Energy Services, Inc. | 20165 |
10 |
| Robert Bosch GmbH | 40953 |
7 |
| NTN Corporation | 5008 |
7 |
| Luraco Health and Beauty, LLC. | 9 |
6 |
| Baker Hughes Holdings LLC | 3060 |
6 |
| Terumo Kabushiki Kaisha | 5216 |
5 |
| HeartWare, Inc. | 370 |
5 |
| Nidec GPM GmbH | 152 |
5 |
| Pyrotek, Inc. | 193 |
5 |
| Regal Beloit America, Inc. | 939 |
5 |
| Regal Beloit Australia Pty Ltd. | 42 |
5 |
| Schlumberger Technology Corporation | 9690 |
4 |
| Flowserve Management Company | 339 |
4 |
| Ruhrpumpen GmbH | 24 |
4 |
| Grundfos Holding A/S | 506 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Assoma Inc. | 12 |
3 |
| Other owners | 130 |