- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 15/00 - Check valves
Patent holdings for IPC class F16K 15/00
Total number of patents in this class: 492
10-year publication summary
|
41
|
33
|
36
|
38
|
31
|
18
|
20
|
13
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FMC Technologies, Inc. | 605 |
8 |
| Hamilton Sundstrand Corporation | 5001 |
6 |
| Dayco IP Holdings, LLC | 277 |
6 |
| Illinois Tool Works Inc. | 11660 |
5 |
| Fisher Controls International LLC | 1495 |
5 |
| Mando Corporation | 231 |
5 |
| Haier Smart Home Co., Ltd. | 5602 |
5 |
| ASC Engineered Solutions, LLC | 321 |
5 |
| Samsung Electronics Co., Ltd. | 151485 |
4 |
| Robert Bosch GmbH | 43294 |
4 |
| Bendix Commercial Vehicle Systems LLC | 886 |
4 |
| Oatey Co. | 214 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2402 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1895 |
4 |
| EMD Millipore Corporation | 640 |
3 |
| GM Global Technology Operations LLC | 15602 |
3 |
| Hyundai Motor Company | 23238 |
3 |
| Buerkert Werke GmbH | 85 |
3 |
| CareFusion 303, Inc. | 2283 |
3 |
| Conbraco Industries, Inc. | 31 |
3 |
| Other owners | 405 |