- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 15/14 - Check valves with flexible valve members
Patent holdings for IPC class F16K 15/14
Total number of patents in this class: 1118
10-year publication summary
|
90
|
102
|
115
|
118
|
90
|
86
|
77
|
76
|
61
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 24409 |
33 |
| CareFusion 303, Inc. | 2185 |
30 |
| Illinois Tool Works Inc. | 11437 |
21 |
| Robert Bosch GmbH | 42596 |
14 |
| AptarGroup, Inc. | 234 |
12 |
| Fisher & Paykel Healthcare Limited | 2465 |
11 |
| Red Valve Company, Inc. | 37 |
11 |
| Koninklijke Philips N.V. | 24660 |
9 |
| Plitek, L.L.C. | 20 |
9 |
| Donaldson Company, Inc. | 1598 |
8 |
| Vitesco Technologies USA, LLC. | 366 |
8 |
| Schaeffler Technologies AG & Co. KG | 9802 |
7 |
| AngioDynamics, Inc. | 321 |
7 |
| Reinz-Dichtungs-GmbH | 275 |
7 |
| Stoma Ventures, LLC | 41 |
7 |
| 3m Innovative Properties Company | 17853 |
6 |
| Denso Corporation | 24190 |
6 |
| Edwards Lifesciences Corporation | 4674 |
6 |
| Technocrats Corporation | 45 |
6 |
| General Electric Company | 13838 |
5 |
| Other owners | 895 |