- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 7/00 - Piston machines or pumps characterised by having positively-driven valving
Patent holdings for IPC class F04B 7/00
Total number of patents in this class: 544
10-year publication summary
|
34
|
47
|
55
|
41
|
40
|
39
|
36
|
23
|
28
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DEKA Products Limited Partnership | 1843 |
41 |
| Kerr Machine Co. | 164 |
36 |
| Robert Bosch GmbH | 43500 |
30 |
| Artemis Intelligent Power Limited | 95 |
25 |
| Denso Corporation | 25132 |
21 |
| SPM Oil & Gas Inc. | 346 |
13 |
| Becton, Dickinson and Company | 7530 |
10 |
| Danfoss Power Solutions ApS | 148 |
6 |
| Fluid Metering, Inc. | 60 |
6 |
| Insulet Corporation | 881 |
6 |
| Putzmeister Engineering GmbH | 352 |
6 |
| Schwing GmbH | 118 |
6 |
| Nuovo Pignone Tecnologie S.r.l. | 1136 |
6 |
| Hitachi Astemo, Ltd. | 6404 |
6 |
| B. Braun Melsungen AG | 1044 |
5 |
| Eveon | 38 |
5 |
| Nuovo Pignone S.p.A. | 89 |
5 |
| Swissinnov Product SARL | 12 |
5 |
| Whirlpool S.A. | 346 |
5 |
| Robert Bosch Limitada | 125 |
5 |
| Other owners | 296 |