- 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: 594
10-year publication summary
|
61
|
50
|
59
|
55
|
51
|
42
|
46
|
33
|
41
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1184 |
23 |
| Fluid Metering, Inc. | 56 |
15 |
| Prominent GmbH | 99 |
14 |
| Becton, Dickinson and Company | 7239 |
12 |
| Shimadzu Corporation | 6150 |
12 |
| Entegris, Inc. | 1861 |
11 |
| Henkel AG & Co. KGaA | 10513 |
8 |
| AquaStar Pool Products, Inc. | 80 |
8 |
| Dosatron International | 71 |
8 |
| BASF SE | 20874 |
7 |
| Agilent Technologies, Inc. | 2634 |
7 |
| B. Braun Melsungen AG | 991 |
7 |
| Precision Planting LLC | 1111 |
7 |
| Robert Bosch GmbH | 42596 |
6 |
| GOJO Industries, Inc. | 880 |
6 |
| Nikkiso Co., Ltd. | 771 |
6 |
| A.C. Dispensing Equipment, Inc. | 38 |
5 |
| Ecolab USA Inc. | 5463 |
5 |
| Seko S.p.A. | 49 |
5 |
| Hewlett-Packard Development Company, L.P. | 25933 |
4 |
| Other owners | 418 |