- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 7/04 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force
Patent holdings for IPC class F16K 7/04
Total number of patents in this class: 244
10-year publication summary
|
15
|
32
|
12
|
22
|
27
|
15
|
11
|
18
|
6
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Repligen Corporation | 284 |
11 |
| DEKA Products Limited Partnership | 1773 |
8 |
| Terumo BCT, Inc. | 445 |
7 |
| A.C. Dispensing Equipment, Inc. | 38 |
5 |
| American Sterilizer Company | 658 |
4 |
| Asahi Yukizai Corporation | 132 |
4 |
| NxStage Medical, Inc. | 298 |
4 |
| Marmon Foodservice Technologies, Inc. | 327 |
4 |
| Baxter International Inc. | 2401 |
3 |
| Terumo Kabushiki Kaisha | 5546 |
3 |
| Automatic Switch Company | 81 |
3 |
| CareFusion 303, Inc. | 2208 |
3 |
| Fresenius Medical Care Deutschland GmbH | 2157 |
3 |
| Proto Fusion, Inc. | 3 |
3 |
| Wuhan Shengyu Drainage System Co., Ltd. | 19 |
3 |
| Cytiva Sweden AB | 764 |
3 |
| Hitachi High-Technologies Corporation | 2003 |
2 |
| Life Technologies Corporation | 3301 |
2 |
| Baxter Healthcare S.A. | 1830 |
2 |
| Acrison, Inc. | 21 |
2 |
| Other owners | 165 |