- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 243
10-year publication summary
|
16
|
25
|
24
|
12
|
20
|
15
|
14
|
30
|
14
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 1670 |
83 |
| Edwards Vacuum LLC | 155 |
23 |
| Caterpillar Inc. | 8877 |
12 |
| Brooks Automation, Inc. | 191 |
9 |
| Toshiba Corporation | 12017 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
5 |
| Toshiba Materials Co., Ltd. | 600 |
5 |
| Cryo H&i, Inc | 7 |
5 |
| Ulvac Cryogenics, Inc. | 10 |
4 |
| Tae Technologies, Inc. | 220 |
4 |
| Canon Anelva Technix Corporation | 7 |
3 |
| Cryostar SAS | 110 |
3 |
| Edwards Limited | 764 |
3 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
3 |
| ULVAC, Inc. | 1448 |
3 |
| Westport Power Inc. | 131 |
3 |
| Westport Fuel Systems Canada Inc. | 246 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
| ASML Netherlands B.V. | 6816 |
2 |
| Air Products and Chemicals, Inc. | 1448 |
2 |
| Other owners | 61 |