- 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
|
139
|
139
|
137
|
133
|
118
|
97
|
86
|
99
|
68
|
53
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1506 |
31 |
| Fujikin Incorporated | 694 |
29 |
| HORIBA STEC, Co., Ltd. | 346 |
25 |
| Robert Bosch GmbH | 42861 |
24 |
| Vernet | 154 |
22 |
| Hamilton Sundstrand Corporation | 4932 |
20 |
| Hyundai Motor Company | 22484 |
17 |
| Illinois Tool Works Inc. | 11523 |
16 |
| Mechano Transformer Corporation | 44 |
14 |
| Satake Corporation | 284 |
14 |
| Rockwell Automation Technologies, Inc. | 2726 |
13 |
| GM Global Technology Operations LLC | 15220 |
12 |
| Nippon Thermostat Co., Ltd. | 168 |
12 |
| Festo SE & Co. KG | 390 |
12 |
| Kia Motors Corporation | 7749 |
9 |
| DEKA Products Limited Partnership | 1790 |
9 |
| Alfmeier Präzision SE | 30 |
9 |
| Koninklijke Philips N.V. | 24957 |
8 |
| Applied Materials, Inc. | 19005 |
8 |
| AS America, Inc. | 1034 |
8 |
| Other owners | 1223 |