- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/00 - Operating meansReleasing devices
Patent holdings for IPC class F16K 31/00
Total number of patents in this class: 1535
10-year publication summary
|
144
|
147
|
142
|
143
|
123
|
98
|
96
|
101
|
68
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1485 |
32 |
| Fujikin Incorporated | 694 |
28 |
| HORIBA STEC, Co., Ltd. | 328 |
25 |
| Robert Bosch GmbH | 42450 |
24 |
| Vernet | 155 |
22 |
| Hamilton Sundstrand Corporation | 4832 |
20 |
| Hyundai Motor Company | 21626 |
17 |
| Illinois Tool Works Inc. | 11396 |
16 |
| Mechano Transformer Corporation | 44 |
14 |
| Satake Corporation | 292 |
14 |
| Rockwell Automation Technologies, Inc. | 2717 |
13 |
| GM Global Technology Operations LLC | 14879 |
12 |
| Nippon Thermostat Co., Ltd. | 163 |
12 |
| Festo SE & Co. KG | 379 |
12 |
| AM Conservation Group | 20 |
12 |
| Kia Motors Corporation | 7759 |
9 |
| Alfmeier Präzision SE | 30 |
9 |
| Applied Materials, Inc. | 18406 |
8 |
| AS America, Inc. | 1045 |
8 |
| CKD Corporation | 451 |
8 |
| Other owners | 1220 |