- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1265
10-year publication summary
|
103
|
146
|
195
|
176
|
127
|
111
|
67
|
83
|
69
|
20
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
96 |
| Safran Aircraft Engines | 5739 |
71 |
| General Electric Company | 18133 |
42 |
| ECP Entwicklungsgesellschaft mbH | 215 |
27 |
| Molten Metal Equipment Innovations, LLC | 96 |
25 |
| Robert Bosch GmbH | 40953 |
21 |
| Edwards Limited | 764 |
20 |
| IHI Corporation | 3268 |
19 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
19 |
| BorgWarner Inc. | 2604 |
15 |
| Siemens AG | 24990 |
14 |
| KSB SE & Co. KGaA | 628 |
14 |
| Pratt & Whitney Canada Corp. | 4215 |
13 |
| Mitsubishi Heavy Industries Compressor Corporation | 613 |
13 |
| Hitachi Metals, Ltd. | 2175 |
12 |
| KSB Aktiengesellschaft | 171 |
12 |
| Snecma | 1065 |
12 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
11 |
| Hamilton Sundstrand Corporation | 4525 |
11 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
11 |
| Other owners | 787 |