- 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: 550
10-year publication summary
|
37
|
47
|
56
|
43
|
40
|
40
|
39
|
24
|
29
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DEKA Products Limited Partnership | 1913 |
41 |
| Kerr Machine Co. | 180 |
39 |
| Robert Bosch GmbH | 44327 |
29 |
| Artemis Intelligent Power Limited | 88 |
23 |
| Denso Corporation | 25746 |
21 |
| SPM Oil & Gas Inc. | 361 |
14 |
| Becton, Dickinson and Company | 7580 |
11 |
| Putzmeister Engineering GmbH | 354 |
7 |
| Danfoss Power Solutions ApS | 147 |
6 |
| Fluid Metering, Inc. | 73 |
6 |
| Insulet Corporation | 950 |
6 |
| Nuovo Pignone Tecnologie S.r.l. | 1229 |
6 |
| Hitachi Astemo, Ltd. | 6429 |
6 |
| B. Braun Melsungen AG | 1068 |
5 |
| Eveon | 36 |
5 |
| Nuovo Pignone S.p.A. | 89 |
5 |
| Schwing GmbH | 124 |
5 |
| Swissinnov Product SARL | 12 |
5 |
| Whirlpool S.A. | 332 |
5 |
| Robert Bosch Limitada | 138 |
5 |
| Other owners | 300 |