- 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
|
51
|
48
|
37
|
40
|
43
|
32
|
20
|
21
|
13
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FMC Technologies, Inc. | 599 |
9 |
| Hamilton Sundstrand Corporation | 4824 |
6 |
| Dayco IP Holdings, LLC | 289 |
6 |
| Illinois Tool Works Inc. | 11382 |
5 |
| Fisher Controls International LLC | 1477 |
5 |
| Mando Corporation | 235 |
5 |
| Haier Smart Home Co., Ltd. | 5417 |
5 |
| ASC Engineered Solutions, LLC | 296 |
5 |
| Samsung Electronics Co., Ltd. | 143555 |
4 |
| Robert Bosch GmbH | 42392 |
4 |
| Bendix Commercial Vehicle Systems LLC | 876 |
4 |
| Oatey Co. | 213 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2358 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1851 |
4 |
| EMD Millipore Corporation | 646 |
3 |
| GM Global Technology Operations LLC | 14834 |
3 |
| Boston Scientific Scimed, Inc. | 10084 |
3 |
| Hyundai Motor Company | 21451 |
3 |
| Buerkert Werke GmbH | 90 |
3 |
| CareFusion 303, Inc. | 2163 |
3 |
| Other owners | 405 |