- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 584
10-year publication summary
|
61
|
50
|
59
|
55
|
51
|
43
|
46
|
33
|
40
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Graco Minnesota Inc. | 1162 |
23 |
| Fluid Metering, Inc. | 47 |
15 |
| Shimadzu Corporation | 5987 |
12 |
| Prominent GmbH | 97 |
12 |
| Becton, Dickinson and Company | 7058 |
11 |
| Entegris, Inc. | 1805 |
11 |
| Henkel AG & Co. KGaA | 10337 |
8 |
| AquaStar Pool Products, Inc. | 79 |
8 |
| Dosatron International | 68 |
8 |
| BASF SE | 20367 |
7 |
| Agilent Technologies, Inc. | 2684 |
7 |
| B. Braun Melsungen AG | 981 |
7 |
| Robert Bosch GmbH | 41695 |
6 |
| GOJO Industries, Inc. | 891 |
6 |
| Nikkiso Co., Ltd. | 785 |
6 |
| A.C. Dispensing Equipment, Inc. | 39 |
5 |
| Ecolab USA Inc. | 5334 |
5 |
| Seko S.p.A. | 48 |
5 |
| Hewlett-Packard Development Company, L.P. | 27484 |
4 |
| Accriva Diagnostics, Inc. | 55 |
4 |
| Other owners | 414 |