- 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: 206
10-year publication summary
|
26
|
11
|
16
|
18
|
13
|
19
|
23
|
18
|
24
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kerr Machine Co. | 144 |
35 |
| DEKA Products Limited Partnership | 1774 |
19 |
| Graco Minnesota Inc. | 1202 |
11 |
| AquaStar Pool Products, Inc. | 82 |
8 |
| Robert Bosch GmbH | 42705 |
5 |
| Halliburton Energy Services, Inc. | 20911 |
4 |
| LG Electronics Inc. | 73344 |
4 |
| Baxter International Inc. | 2405 |
4 |
| Baxter Healthcare S.A. | 1833 |
4 |
| TPE Midstream LLC | 50 |
4 |
| PHINIA Jersey Holdings LLC | 366 |
4 |
| Phinia Holdings Jersey Ltd | 314 |
4 |
| Denso Corporation | 24355 |
3 |
| Ameriforge Group Inc. | 39 |
3 |
| Milwaukee Electric Tool Corporation | 4417 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 981 |
3 |
| PistonPower ApS | 14 |
3 |
| The Procter & Gamble Company | 22043 |
2 |
| Carrier Corporation | 4296 |
2 |
| Entegris, Inc. | 1872 |
2 |
| Other owners | 79 |