- 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: 293
10-year publication summary
|
24
|
12
|
20
|
15
|
14
|
30
|
16
|
23
|
23
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 2150 |
97 |
| Edwards Vacuum LLC | 188 |
29 |
| Caterpillar Inc. | 10375 |
12 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4154 |
12 |
| Cryo H&i, Inc | 24 |
11 |
| Brooks Automation, Inc. | 145 |
8 |
| Toshiba Materials Co., Ltd. | 558 |
5 |
| Ulvac Cryogenics, Inc. | 12 |
5 |
| Edwards Limited | 772 |
4 |
| Tae Technologies, Inc. | 255 |
4 |
| Leybold Dresden GmbH | 8 |
4 |
| Applied Materials, Inc. | 20694 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 49677 |
3 |
| Canon Anelva Technix Corporation | 7 |
3 |
| ULVAC, Inc. | 1334 |
3 |
| Cespira Canada Limited Partnership | 96 |
3 |
| ASML Netherlands B.V. | 8060 |
2 |
| Boe Technology Group Co., Ltd. | 44802 |
2 |
| Canon Anelva Corporation | 689 |
2 |
| Cryostar SAS | 116 |
2 |
| Other owners | 79 |