- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 37/02 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for evacuating by absorption or adsorption
Patent holdings for IPC class F04B 37/02
Total number of patents in this class: 130
10-year publication summary
|
5
|
5
|
4
|
9
|
7
|
8
|
9
|
6
|
10
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SAES Getters S.p.A. | 325 |
16 |
| Edwards Vacuum LLC | 180 |
13 |
| Edwards Limited | 788 |
9 |
| Sumitomo Heavy Industries, Ltd. | 1958 |
8 |
| National Institute of Information and Communications Technology | 639 |
5 |
| Edwards Japan Limited | 429 |
4 |
| Hitachi High-Technologies Corporation | 1996 |
3 |
| Ateliers Busch SA | 50 |
3 |
| Tokamak Energy Ltd | 194 |
3 |
| Brown-Cravens-Taylor | 5 |
2 |
| Cornell University | 3341 |
2 |
| Eksigent Technologies, LLC | 11 |
2 |
| Inter-University Research Institute Corporation High Energy Accelerator Research Organization | 64 |
2 |
| Vaclab Inc. | 4 |
2 |
| Wake Forest University Health Sciences | 723 |
2 |
| Atmospherix LLC | 2 |
2 |
| USA Fortescue IP, Inc. | 45 |
2 |
| General Electric Company | 13856 |
1 |
| Hon Hai Precision Industry Co., Ltd. | 4033 |
1 |
| Massachusetts Institute of Technology | 10121 |
1 |
| Other owners | 47 |