- 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: 244
10-year publication summary
|
22
|
25
|
32
|
26
|
16
|
14
|
16
|
16
|
15
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
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 | 4003 |
32 |
| Caterpillar Inc. | 9640 |
24 |
| Robert Bosch GmbH | 42815 |
19 |
| Linde Aktiengesellschaft | 1496 |
11 |
| Eagle Industry Co., Ltd. | 1133 |
10 |
| HPDI Technology Limited Partnership | 179 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
6 |
| Cryostar SAS | 120 |
6 |
| Chart Inc. | 137 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10949 |
4 |
| Burckhardt Compression AG | 122 |
4 |
| Ebara Corporation | 2189 |
3 |
| Acd, LLC | 21 |
3 |
| National Institute of Clean-and-low-carbon Energy | 148 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 1004 |
3 |
| IonQ, Inc. | 309 |
3 |
| China Energy Investment Corporation Limited | 156 |
3 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 70 |
3 |
| Kawasaki Heavy Industries, Limited | 1659 |
2 |
| Acme Cryogenics, Inc. | 11 |
2 |
| Other owners | 91 |