- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 29/02 - Selection of particular materials
Patent holdings for IPC class F04D 29/02
Total number of patents in this class: 1394
10-year publication summary
|
188
|
172
|
123
|
108
|
66
|
84
|
79
|
68
|
63
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9875 |
99 |
| Safran Aircraft Engines | 6539 |
77 |
| General Electric Company | 13831 |
46 |
| ECP Entwicklungsgesellschaft mbH | 241 |
32 |
| Robert Bosch GmbH | 43587 |
28 |
| Molten Metal Equipment Innovations, LLC | 100 |
26 |
| KSB SE & Co. KGaA | 715 |
23 |
| Nuovo Pignone Tecnologie S.r.l. | 1143 |
22 |
| Edwards Limited | 779 |
21 |
| IHI Corporation | 3514 |
18 |
| BorgWarner Inc. | 2580 |
15 |
| Edwards Japan Limited | 437 |
14 |
| Pratt & Whitney Canada Corp. | 5223 |
13 |
| Hamilton Sundstrand Corporation | 5017 |
13 |
| Siemens AG | 24200 |
12 |
| Hitachi Metals, Ltd. | 1921 |
12 |
| KSB Aktiengesellschaft | 157 |
12 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
12 |
| Snecma | 1058 |
12 |
| ebm-papst Mulfingen GmbH & Co. KG | 501 |
11 |
| Other owners | 876 |