- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 15/08 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
Patent holdings for IPC class F04B 15/08
Total number of patents in this class: 283
10-year publication summary
|
25
|
33
|
26
|
17
|
17
|
21
|
19
|
16
|
38
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4079 |
34 |
| Robert Bosch GmbH | 43908 |
28 |
| Caterpillar Inc. | 10240 |
24 |
| Eagle Industry Co., Ltd. | 1173 |
10 |
| Firstelement Fuel Inc. | 30 |
10 |
| Linde Aktiengesellschaft | 1430 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 9049 |
6 |
| Cryostar SAS | 116 |
6 |
| National Institute of Clean-and-low-carbon Energy | 155 |
6 |
| China Energy Investment Corporation Limited | 163 |
6 |
| Cespira Canada Limited Partnership | 95 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11056 |
5 |
| Ebara Corporation | 2283 |
5 |
| Chart Inc. | 133 |
5 |
| Linde GmbH | 1350 |
5 |
| Acd, LLC | 25 |
4 |
| Bosch Rexroth Corporation | 19 |
4 |
| Burckhardt Compression AG | 124 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1185 |
3 |
| IonQ, Inc. | 331 |
3 |
| Other owners | 100 |