- 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: 216
10-year publication summary
|
19
|
19
|
27
|
28
|
21
|
24
|
15
|
20
|
15
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yoshino Kogyosho Co., Ltd. | 737 |
18 |
| Op-hygiene IP GmbH | 199 |
16 |
| Canyon Corporation | 48 |
10 |
| Gotohti.com Inc. | 104 |
7 |
| Aptar France SAS | 741 |
6 |
| Emerson Process Management Valve Automation, Inc. | 56 |
5 |
| GOJO Industries, Inc. | 891 |
5 |
| Kickstart International, Inc. | 16 |
5 |
| Daiwa Can Company | 213 |
4 |
| Caterpillar Inc. | 8877 |
3 |
| Kao Corporation | 4843 |
3 |
| F. Holzer GmbH | 35 |
3 |
| Lih Yann Industrial Co., Ltd. | 45 |
3 |
| Liqui-Box Corporation | 204 |
3 |
| MANN+HUMMEL GmbH | 1682 |
3 |
| Mitani Valve Co., Ltd. | 57 |
3 |
| The Procter & Gamble Company | 22178 |
2 |
| Alere San Diego, Inc. | 70 |
2 |
| Alere Switzerland GmbH | 34 |
2 |
| ANDREAS STIHL AG & Co. KG | 818 |
2 |
| Other owners | 111 |