- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 13/00 - Pumps specially modified to deliver fixed or variable measured quantities
Patent holdings for IPC class F04B 13/00
Total number of patents in this class: 597
10-year publication summary
|
55
|
42
|
53
|
54
|
48
|
39
|
43
|
32
|
40
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1213 |
23 |
| Prominent GmbH | 99 |
15 |
| Fluid Metering, Inc. | 54 |
14 |
| Becton, Dickinson and Company | 7321 |
12 |
| Shimadzu Corporation | 6195 |
12 |
| Entegris, Inc. | 1899 |
11 |
| Henkel AG & Co. KGaA | 10623 |
8 |
| AquaStar Pool Products, Inc. | 83 |
8 |
| Dosatron International | 71 |
8 |
| BASF SE | 21039 |
7 |
| Agilent Technologies, Inc. | 2632 |
7 |
| B. Braun Melsungen AG | 1011 |
7 |
| Precision Planting LLC | 1130 |
7 |
| Robert Bosch GmbH | 42826 |
6 |
| GOJO Industries, Inc. | 884 |
6 |
| Nikkiso Co., Ltd. | 790 |
6 |
| A.C. Dispensing Equipment, Inc. | 39 |
5 |
| Ecolab USA Inc. | 5538 |
5 |
| Seko S.p.A. | 49 |
5 |
| Hewlett-Packard Development Company, L.P. | 25769 |
4 |
| Other owners | 421 |