- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices 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
|
100
|
90
|
102
|
115
|
118
|
90
|
85
|
77
|
67
|
18
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CareFusion 303, Inc. | 1975 |
34 |
| Murata Manufacturing Co., Ltd. | 22355 |
31 |
| Illinois Tool Works Inc. | 11152 |
23 |
| Robert Bosch GmbH | 40953 |
14 |
| AptarGroup, Inc. | 221 |
12 |
| Koninklijke Philips N.V. | 22975 |
9 |
| Fisher & Paykel Healthcare Limited | 2218 |
9 |
| Plitek, L.L.C. | 17 |
9 |
| Vernay Laboratories, Inc. | 39 |
9 |
| Vitesco Technologies USA, LLC. | 380 |
8 |
| Schaeffler Technologies AG & Co. KG | 8880 |
7 |
| AngioDynamics, Inc. | 305 |
7 |
| Donaldson Company, Inc. | 1513 |
7 |
| Red Valve Company, Inc. | 33 |
7 |
| Reinz-Dichtungs-GmbH | 245 |
7 |
| Stoma Ventures, LLC | 38 |
7 |
| Filtertek B.V. | 10 |
7 |
| 3m Innovative Properties Company | 18406 |
6 |
| Denso Corporation | 23338 |
6 |
| Ford Global Technologies, LLC | 19702 |
6 |
| Other owners | 893 |