- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; siphons
- F04F 9/00 - Diffusion pumps
Patent holdings for IPC class F04F 9/00
Total number of patents in this class: 12
10-year publication summary
|
3
|
2
|
1
|
0
|
1
|
0
|
0
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shincron Co., Ltd. | 86 |
3 |
| Leybold GmbH | 298 |
3 |
| Dyson Technology Limited | 3412 |
2 |
| Edwards Limited | 799 |
2 |
| Airbus Defence and Space GmbH | 871 |
1 |
| PerkinElmer LAS, Inc. | 31 |
1 |
| Other owners | 0 |