- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/049 - Roller bearings
Patent holdings for IPC class F04D 29/049
Total number of patents in this class: 72
10-year publication summary
|
9
|
5
|
9
|
4
|
11
|
8
|
6
|
7
|
8
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NTN Corporation | 5008 |
4 |
| Sulzer Management AG | 613 |
4 |
| LG Electronics Inc. | 69257 |
3 |
| Belenos Clean Power Holding AG | 91 |
3 |
| Pierburg Pump Technology GmbH | 305 |
3 |
| Zhejiang Pump General Co., Ltd. | 16 |
3 |
| General Electric Company | 18133 |
2 |
| Schaeffler Technologies AG & Co. KG | 8880 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Aktiebolaget SKF | 2700 |
2 |
| Edwards Limited | 764 |
2 |
| Industrie Saleri Italo S.p.A. | 65 |
2 |
| Safran Electrical & Power | 507 |
2 |
| KSB SE & Co. KGaA | 628 |
2 |
| Edwards, s.r.o. | 19 |
2 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2427 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Carrier Corporation | 4759 |
1 |
| NSK Ltd. | 2719 |
1 |
| Other owners | 29 |