- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 7/02 - Piston machines or pumps characterised by having positively-driven valving the valving being fluid-actuated
Patent holdings for IPC class F04B 7/02
Total number of patents in this class: 215
10-year publication summary
|
11
|
16
|
18
|
13
|
19
|
23
|
18
|
26
|
17
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerr Machine Co. | 163 |
38 |
| DEKA Products Limited Partnership | 1838 |
18 |
| Graco Minnesota Inc. | 1244 |
11 |
| AquaStar Pool Products, Inc. | 85 |
8 |
| Robert Bosch GmbH | 43365 |
5 |
| Halliburton Energy Services, Inc. | 21125 |
4 |
| LG Electronics Inc. | 74502 |
4 |
| Baxter International Inc. | 2199 |
4 |
| Baxter Healthcare S.A. | 1652 |
4 |
| TPE Midstream LLC | 61 |
4 |
| PHINIA Jersey Holdings LLC | 370 |
4 |
| Phinia Holdings Jersey Ltd | 305 |
4 |
| The Procter & Gamble Company | 21979 |
3 |
| Denso Corporation | 25032 |
3 |
| Ameriforge Group Inc. | 37 |
3 |
| Milwaukee Electric Tool Corporation | 4714 |
3 |
| Hammelmann GmbH | 34 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 1111 |
3 |
| PistonPower ApS | 11 |
3 |
| Carrier Corporation | 3980 |
2 |
| Other owners | 84 |