- 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: 493
10-year publication summary
|
48
|
37
|
40
|
43
|
32
|
19
|
21
|
15
|
16
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5013 |
6 |
| Dayco IP Holdings, LLC | 276 |
6 |
| FMC Technologies, Inc. | 620 |
6 |
| Illinois Tool Works Inc. | 11867 |
5 |
| Bendix Commercial Vehicle Systems LLC | 880 |
5 |
| Fisher Controls International LLC | 1430 |
5 |
| Mando Corporation | 226 |
5 |
| Haier Smart Home Co., Ltd. | 5735 |
5 |
| ASC Engineered Solutions, LLC | 332 |
5 |
| Samsung Electronics Co., Ltd. | 158842 |
4 |
| Robert Bosch GmbH | 44291 |
4 |
| Oatey Co. | 220 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
4 |
| EMD Millipore Corporation | 633 |
3 |
| GM Global Technology Operations LLC | 16219 |
3 |
| Hyundai Motor Company | 24898 |
3 |
| Buerkert Werke GmbH | 84 |
3 |
| CareFusion 303, Inc. | 2399 |
3 |
| Conbraco Industries, Inc. | 27 |
3 |
| Other owners | 407 |