- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 206
10-year publication summary
|
15
|
22
|
25
|
33
|
26
|
17
|
15
|
21
|
18
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
24 |
| Robert Bosch GmbH | 40953 |
18 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
18 |
| Linde Aktiengesellschaft | 1600 |
12 |
| Eagle Industry Co., Ltd. | 1062 |
10 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
8 |
| Westport Fuel Systems Canada Inc. | 246 |
8 |
| Cryostar SAS | 110 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Chart Inc. | 134 |
4 |
| Acd, LLC | 21 |
3 |
| Burckhardt Compression AG | 116 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
3 |
| U.S. Bank Trust Company, National Association, AS The Notes Collateral Agent | 72 |
3 |
| Kawasaki Heavy Industries, Limited | 1524 |
2 |
| Ebara Corporation | 1951 |
2 |
| Atlas Copco Comptec, LLC | 21 |
2 |
| Chart Energy & Chemicals, Inc. | 43 |
2 |
| Delaware Capital Formation, Inc. | 580 |
2 |
| Kobe Steel, Ltd. | 912 |
2 |
| Other owners | 70 |