- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 25/00 - Multi-stage pumps specially adapted for elastic fluids
Patent holdings for IPC class F04B 25/00
Total number of patents in this class: 237
10-year publication summary
|
20
|
18
|
28
|
22
|
18
|
21
|
18
|
9
|
11
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ZF CV Systems Europe BV | 822 |
9 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
7 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 570 |
7 |
| Boostheat | 14 |
5 |
| Kobe Steel, Ltd. | 898 |
5 |
| Leobersdorfer Maschinenfabrik AG | 7 |
4 |
| Linde Aktiengesellschaft | 1421 |
4 |
| Nantong Guangxing Pneumatic Equipment Co., Ltd. | 12 |
4 |
| TPE Midstream LLC | 62 |
4 |
| Voith Patent GmbH | 2747 |
4 |
| WABCO GmbH | 464 |
4 |
| Westinghouse Air Brake Technologies Corporation | 487 |
4 |
| GE Global Sourcing LLC | 861 |
4 |
| General Electric Company | 13910 |
3 |
| Burckhardt Compression AG | 125 |
3 |
| Edwards Limited | 773 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
3 |
| Other Lab, LLC | 68 |
3 |
| Scott Technologies, Inc. | 198 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 1219 |
3 |
| Other owners | 151 |