- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 9/14 - Pumps characterised by muscle-power operation
Patent holdings for IPC class F04B 9/14
Total number of patents in this class: 214
10-year publication summary
|
20
|
19
|
19
|
26
|
28
|
21
|
24
|
15
|
17
|
3
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yoshino Kogyosho Co., Ltd. | 766 |
18 |
| Op-hygiene IP GmbH | 190 |
16 |
| Canyon Corporation | 42 |
9 |
| Gotohti.com Inc. | 110 |
7 |
| Aptar France SAS | 687 |
6 |
| Emerson Process Management Valve Automation, Inc. | 58 |
5 |
| GOJO Industries, Inc. | 865 |
5 |
| Kickstart International, Inc. | 17 |
5 |
| Daiwa Can Company | 186 |
4 |
| Kao Corporation | 4751 |
3 |
| F. Holzer GmbH | 35 |
3 |
| Liqui-Box Corporation | 221 |
3 |
| MANN+HUMMEL GmbH | 1599 |
3 |
| The Procter & Gamble Company | 22489 |
2 |
| Caterpillar Inc. | 8293 |
2 |
| Alere San Diego, Inc. | 76 |
2 |
| Alere Switzerland GmbH | 36 |
2 |
| ANDREAS STIHL AG & Co. KG | 837 |
2 |
| Beijing Red-sea Tech Co., Ltd. | 22 |
2 |
| Boostheat | 26 |
2 |
| Other owners | 113 |