- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 37/08 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
Patent holdings for IPC class F04B 37/08
Total number of patents in this class: 272
10-year publication summary
|
25
|
23
|
12
|
20
|
15
|
14
|
27
|
14
|
22
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 1928 |
91 |
| Edwards Vacuum LLC | 180 |
26 |
| Caterpillar Inc. | 9579 |
12 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3985 |
12 |
| Cryo H&i, Inc | 20 |
10 |
| Brooks Automation, Inc. | 158 |
8 |
| Toshiba Corporation | 12367 |
5 |
| Toshiba Materials Co., Ltd. | 666 |
5 |
| Ulvac Cryogenics, Inc. | 11 |
5 |
| Edwards Limited | 790 |
4 |
| Tae Technologies, Inc. | 239 |
4 |
| Canon Anelva Technix Corporation | 7 |
3 |
| Cryostar SAS | 120 |
3 |
| ULVAC, Inc. | 1379 |
3 |
| Westport Power Inc. | 122 |
3 |
| Leybold Dresden GmbH | 7 |
3 |
| HPDI Technology Limited Partnership | 178 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42945 |
2 |
| ASML Netherlands B.V. | 7406 |
2 |
| Air Products and Chemicals, Inc. | 1443 |
2 |
| Other owners | 66 |