- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/42 - Casings; Connections for working fluid for radial or helico-centrifugal pumps
Patent holdings for IPC class F04D 29/42
Total number of patents in this class: 3607
10-year publication summary
|
275
|
416
|
417
|
388
|
415
|
340
|
364
|
358
|
296
|
104
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
81 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
79 |
| IHI Corporation | 3268 |
65 |
| Grundfos Holding A/S | 506 |
55 |
| Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | 699 |
53 |
| BorgWarner Inc. | 2604 |
52 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
51 |
| Denso Corporation | 23338 |
50 |
| Mitsubishi Electric Corporation | 43934 |
45 |
| Regal Beloit America, Inc. | 939 |
44 |
| Delta Electronics, Inc. | 2401 |
42 |
| Weir Minerals Australia, Ltd. | 309 |
42 |
| Siemens AG | 24990 |
41 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
41 |
| JPMorgan Chase Bank, National Association | 10964 |
35 |
| Nidec Corporation | 2579 |
33 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
32 |
| KSB SE & Co. KGaA | 628 |
32 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
30 |
| Sulzer Management AG | 613 |
30 |
| Other owners | 2674 |