- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 9/14 - Pumps characterised by muscle-power operation
Patent holdings for IPC class F04B 9/14
Total number of patents in this class: 212
10-year publication summary
|
27
|
28
|
21
|
25
|
15
|
20
|
17
|
13
|
9
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yoshino Kogyosho Co., Ltd. | 670 |
18 |
| Op-hygiene IP GmbH | 222 |
13 |
| Canyon Corporation | 52 |
10 |
| Gotohti.com Inc. | 87 |
7 |
| Aptar France SAS | 850 |
6 |
| Kickstart International, Inc. | 16 |
6 |
| Emerson Process Management Valve Automation, Inc. | 58 |
5 |
| Daiwa Can Company | 242 |
4 |
| GOJO Industries, Inc. | 879 |
4 |
| The Procter & Gamble Company | 21862 |
3 |
| Caterpillar Inc. | 10316 |
3 |
| Kao Corporation | 5100 |
3 |
| F. Holzer GmbH | 34 |
3 |
| Jiao Hsiung Industry Corp. | 19 |
3 |
| Lih Yann Industrial Co., Ltd. | 65 |
3 |
| MANN+HUMMEL GmbH | 1814 |
3 |
| Mitani Valve Co., Ltd. | 57 |
3 |
| Server Products, Inc. | 94 |
3 |
| Yonwoo Co., Ltd. | 518 |
3 |
| Alere San Diego, Inc. | 62 |
2 |
| Other owners | 107 |